diff --git a/juce_amalgamated.cpp b/juce_amalgamated.cpp
index 0366ec5b24..ddc3d089dd 100644
--- a/juce_amalgamated.cpp
+++ b/juce_amalgamated.cpp
@@ -1281,7 +1281,7 @@ const String RelativeTime::getDescription (const String& returnValueForZeroTime)
 	return result.trimEnd();
 }
 
-const RelativeTime& RelativeTime::operator= (const RelativeTime& other) throw()
+RelativeTime& RelativeTime::operator= (const RelativeTime& other) throw()
 {
 	seconds = other.seconds;
 	return *this;
@@ -1675,7 +1675,7 @@ Time::~Time() throw()
 {
 }
 
-const Time& Time::operator= (const Time& other) throw()
+Time& Time::operator= (const Time& other) throw()
 {
 	millisSinceEpoch = other.millisSinceEpoch;
 	return *this;
@@ -3300,7 +3300,7 @@ PropertySet::PropertySet (const PropertySet& other) throw()
 {
 }
 
-const PropertySet& PropertySet::operator= (const PropertySet& other) throw()
+PropertySet& PropertySet::operator= (const PropertySet& other) throw()
 {
 	properties = other.properties;
 	fallbackProperties = other.fallbackProperties;
@@ -4354,7 +4354,7 @@ BlowFish::BlowFish (const BlowFish& other)
 	operator= (other);
 }
 
-const BlowFish& BlowFish::operator= (const BlowFish& other)
+BlowFish& BlowFish::operator= (const BlowFish& other)
 {
 	memcpy (p, other.p, sizeof (p));
 
@@ -4459,7 +4459,7 @@ MD5::MD5 (const MD5& other)
 	memcpy (result, other.result, sizeof (result));
 }
 
-const MD5& MD5::operator= (const MD5& other)
+MD5& MD5::operator= (const MD5& other)
 {
 	memcpy (result, other.result, sizeof (result));
 	return *this;
@@ -5525,7 +5525,7 @@ void OutputStream::writeString (const String& text)
 	// (This avoids using toUTF8() to prevent the memory bloat that it would leave behind
 	// if lots of large, persistent strings were to be written to streams).
 	const int numBytes = text.getNumBytesAsUTF8() + 1;
-	HeapBlock <uint8> temp (numBytes);
+	HeapBlock<char> temp (numBytes);
 	text.copyToUTF8 (temp, numBytes);
 	write (temp, numBytes);
 }
@@ -5948,13 +5948,13 @@ File::File (const File& other)
 {
 }
 
-const File& File::operator= (const String& newPath)
+File& File::operator= (const String& newPath)
 {
 	fullPath = parseAbsolutePath (newPath);
 	return *this;
 }
 
-const File& File::operator= (const File& other)
+File& File::operator= (const File& other)
 {
 	fullPath = other.fullPath;
 	return *this;
@@ -7050,7 +7050,7 @@ FileSearchPath::~FileSearchPath()
 {
 }
 
-const FileSearchPath& FileSearchPath::operator= (const String& path)
+FileSearchPath& FileSearchPath::operator= (const String& path)
 {
 	init (path);
 	return *this;
@@ -7944,7 +7944,7 @@ URL::URL (const URL& other)
 {
 }
 
-const URL& URL::operator= (const URL& other)
+URL& URL::operator= (const URL& other)
 {
 	url = other.url;
 	postData = other.postData;
@@ -8300,7 +8300,7 @@ private:
 	}
 
 	WebInputStream (const WebInputStream&);
-	const WebInputStream& operator= (const WebInputStream&);
+	WebInputStream& operator= (const WebInputStream&);
 };
 
 InputStream* URL::createInputStream (const bool usePostCommand,
@@ -9199,7 +9199,7 @@ private:
 	InputStream* inputStream;
 
 	ZipInputStream (const ZipInputStream&);
-	const ZipInputStream& operator= (const ZipInputStream&);
+	ZipInputStream& operator= (const ZipInputStream&);
 };
 
 ZipFile::ZipFile (InputStream* const source_,
@@ -10822,7 +10822,7 @@ int64 String::hashCode64() const throw()
 	return result;
 }
 
-const String& String::operator= (const String& other) throw()
+String& String::operator= (const String& other) throw()
 {
 	if (this != &other)
 	{
@@ -11107,8 +11107,8 @@ OutputStream& JUCE_PUBLIC_FUNCTION  operator<< (OutputStream& stream, const Stri
 	// (This avoids using toUTF8() to prevent the memory bloat that it would leave behind
 	// if lots of large, persistent strings were to be written to streams).
 	const int numBytes = text.getNumBytesAsUTF8();
-	HeapBlock <uint8> temp (numBytes);
-	text.copyToUTF8 (temp, numBytes);
+	HeapBlock<char> temp (numBytes + 1);
+	text.copyToUTF8 (temp, numBytes + 1);
 	stream.write (temp, numBytes);
 	return stream;
 }
@@ -12561,7 +12561,7 @@ StringArray::StringArray (const char** const initialStrings)
 		add (initialStrings [i++]);
 }
 
-const StringArray& StringArray::operator= (const StringArray& other)
+StringArray& StringArray::operator= (const StringArray& other)
 {
 	strings = other.strings;
 	return *this;
@@ -13028,11 +13028,10 @@ StringPairArray::~StringPairArray() throw()
 {
 }
 
-const StringPairArray& StringPairArray::operator= (const StringPairArray& other) throw()
+StringPairArray& StringPairArray::operator= (const StringPairArray& other) throw()
 {
 	keys = other.keys;
 	values = other.values;
-
 	return *this;
 }
 
@@ -14050,7 +14049,7 @@ XmlElement::XmlElement (const XmlElement& other) throw()
 	copyChildrenAndAttributesFrom (other);
 }
 
-const XmlElement& XmlElement::operator= (const XmlElement& other) throw()
+XmlElement& XmlElement::operator= (const XmlElement& other) throw()
 {
 	if (this != &other)
 	{
@@ -16050,7 +16049,7 @@ private:
 	const bool isAddingNewProperty, isDeletingProperty;
 
 	ValueTreeSetPropertyAction (const ValueTreeSetPropertyAction&);
-	const ValueTreeSetPropertyAction& operator= (const ValueTreeSetPropertyAction&);
+	ValueTreeSetPropertyAction& operator= (const ValueTreeSetPropertyAction&);
 };
 
 class ValueTreeChildChangeAction  : public UndoableAction
@@ -16099,7 +16098,7 @@ private:
 	const bool isDeleting;
 
 	ValueTreeChildChangeAction (const ValueTreeChildChangeAction&);
-	const ValueTreeChildChangeAction& operator= (const ValueTreeChildChangeAction&);
+	ValueTreeChildChangeAction& operator= (const ValueTreeChildChangeAction&);
 };
 
 ValueTree::SharedObject::SharedObject (const String& type_)
@@ -16399,7 +16398,7 @@ ValueTree::ValueTree (const ValueTree& other)
 {
 }
 
-const ValueTree& ValueTree::operator= (const ValueTree& other)
+ValueTree& ValueTree::operator= (const ValueTree& other)
 {
 	if (listeners.size() > 0)
 	{
@@ -16540,7 +16539,7 @@ private:
 	const var::identifier property;
 	UndoManager* const undoManager;
 
-	const ValueTreePropertyValueSource& operator= (const ValueTreePropertyValueSource&);
+	ValueTreePropertyValueSource& operator= (const ValueTreePropertyValueSource&);
 };
 
 Value ValueTree::getPropertyAsValue (const var::identifier& name, UndoManager* const undoManager) const
@@ -16788,7 +16787,7 @@ private:
 	var value;
 
 	SimpleValueSource (const SimpleValueSource&);
-	const SimpleValueSource& operator= (const SimpleValueSource&);
+	SimpleValueSource& operator= (const SimpleValueSource&);
 };
 
 Value::Value()
@@ -16812,7 +16811,7 @@ Value::Value (const Value& other)
 {
 }
 
-const Value& Value::operator= (const Value& other)
+Value& Value::operator= (const Value& other)
 {
 	value = other.value;
 	return *this;
@@ -16839,7 +16838,7 @@ const String Value::toString() const
 	return value->getValue().toString();
 }
 
-const Value& Value::operator= (const var& newValue)
+Value& Value::operator= (const var& newValue)
 {
 	value->setValue (newValue);
 	return *this;
@@ -19297,7 +19296,7 @@ public:
 
 private:
 	AiffAudioFormatReader (const AiffAudioFormatReader&);
-	const AiffAudioFormatReader& operator= (const AiffAudioFormatReader&);
+	AiffAudioFormatReader& operator= (const AiffAudioFormatReader&);
 
 	static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 };
@@ -19312,7 +19311,7 @@ class AiffAudioFormatWriter  : public AudioFormatWriter
 	static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 
 	AiffAudioFormatWriter (const AiffAudioFormatWriter&);
-	const AiffAudioFormatWriter& operator= (const AiffAudioFormatWriter&);
+	AiffAudioFormatWriter& operator= (const AiffAudioFormatWriter&);
 
 	void writeHeader()
 	{
@@ -21776,7 +21775,7 @@ class WavAudioFormatReader  : public AudioFormatReader
 	static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 
 	WavAudioFormatReader (const WavAudioFormatReader&);
-	const WavAudioFormatReader& operator= (const WavAudioFormatReader&);
+	WavAudioFormatReader& operator= (const WavAudioFormatReader&);
 
 public:
 	int64 bwavChunkStart, bwavSize;
@@ -22128,7 +22127,7 @@ class WavAudioFormatWriter  : public AudioFormatWriter
 	static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 
 	WavAudioFormatWriter (const WavAudioFormatWriter&);
-	const WavAudioFormatWriter& operator= (const WavAudioFormatWriter&);
+	WavAudioFormatWriter& operator= (const WavAudioFormatWriter&);
 
 	void writeHeader()
 	{
@@ -23082,7 +23081,7 @@ private:
 	}
 
 	SharedBufferingAudioSourceThread (const SharedBufferingAudioSourceThread&);
-	const SharedBufferingAudioSourceThread& operator= (const SharedBufferingAudioSourceThread&);
+	SharedBufferingAudioSourceThread& operator= (const SharedBufferingAudioSourceThread&);
 };
 
 juce_ImplementSingleton (SharedBufferingAudioSourceThread)
@@ -25724,7 +25723,7 @@ void AudioSampleBuffer::allocateChannels (float** const dataToReferTo)
 	channels [numChannels] = 0;
 }
 
-const AudioSampleBuffer& AudioSampleBuffer::operator= (const AudioSampleBuffer& other) throw()
+AudioSampleBuffer& AudioSampleBuffer::operator= (const AudioSampleBuffer& other) throw()
 {
 	if (this != &other)
 	{
@@ -26548,7 +26547,7 @@ MidiBuffer::MidiBuffer (const MidiBuffer& other) throw()
 {
 }
 
-const MidiBuffer& MidiBuffer::operator= (const MidiBuffer& other) throw()
+MidiBuffer& MidiBuffer::operator= (const MidiBuffer& other) throw()
 {
 	bytesUsed = other.bytesUsed;
 	data = other.data;
@@ -27597,7 +27596,7 @@ MidiMessage::MidiMessage (const uint8* src,
 	}
 }
 
-const MidiMessage& MidiMessage::operator= (const MidiMessage& other) throw()
+MidiMessage& MidiMessage::operator= (const MidiMessage& other) throw()
 {
 	if (this != &other)
 	{
@@ -29510,7 +29509,7 @@ PluginDescription::PluginDescription (const PluginDescription& other) throw()
 {
 }
 
-const PluginDescription& PluginDescription::operator= (const PluginDescription& other) throw()
+PluginDescription& PluginDescription::operator= (const PluginDescription& other) throw()
 {
 	name = other.name;
 	pluginFormatName = other.pluginFormatName;
@@ -35118,7 +35117,7 @@ private:
 	const int channelNum;
 
 	ClearChannelOp (const ClearChannelOp&);
-	const ClearChannelOp& operator= (const ClearChannelOp&);
+	ClearChannelOp& operator= (const ClearChannelOp&);
 };
 
 class CopyChannelOp : public AudioGraphRenderingOp
@@ -35140,7 +35139,7 @@ private:
 	const int srcChannelNum, dstChannelNum;
 
 	CopyChannelOp (const CopyChannelOp&);
-	const CopyChannelOp& operator= (const CopyChannelOp&);
+	CopyChannelOp& operator= (const CopyChannelOp&);
 };
 
 class AddChannelOp : public AudioGraphRenderingOp
@@ -35162,7 +35161,7 @@ private:
 	const int srcChannelNum, dstChannelNum;
 
 	AddChannelOp (const AddChannelOp&);
-	const AddChannelOp& operator= (const AddChannelOp&);
+	AddChannelOp& operator= (const AddChannelOp&);
 };
 
 class ClearMidiBufferOp : public AudioGraphRenderingOp
@@ -35183,7 +35182,7 @@ private:
 	const int bufferNum;
 
 	ClearMidiBufferOp (const ClearMidiBufferOp&);
-	const ClearMidiBufferOp& operator= (const ClearMidiBufferOp&);
+	ClearMidiBufferOp& operator= (const ClearMidiBufferOp&);
 };
 
 class CopyMidiBufferOp : public AudioGraphRenderingOp
@@ -35205,7 +35204,7 @@ private:
 	const int srcBufferNum, dstBufferNum;
 
 	CopyMidiBufferOp (const CopyMidiBufferOp&);
-	const CopyMidiBufferOp& operator= (const CopyMidiBufferOp&);
+	CopyMidiBufferOp& operator= (const CopyMidiBufferOp&);
 };
 
 class AddMidiBufferOp : public AudioGraphRenderingOp
@@ -35228,7 +35227,7 @@ private:
 	const int srcBufferNum, dstBufferNum;
 
 	AddMidiBufferOp (const AddMidiBufferOp&);
-	const AddMidiBufferOp& operator= (const AddMidiBufferOp&);
+	AddMidiBufferOp& operator= (const AddMidiBufferOp&);
 };
 
 class ProcessBufferOp : public AudioGraphRenderingOp
@@ -35274,7 +35273,7 @@ private:
 	int midiBufferToUse;
 
 	ProcessBufferOp (const ProcessBufferOp&);
-	const ProcessBufferOp& operator= (const ProcessBufferOp&);
+	ProcessBufferOp& operator= (const ProcessBufferOp&);
 };
 
 class RenderingOpSequenceCalculator
@@ -35686,7 +35685,7 @@ private:
 	}
 
 	RenderingOpSequenceCalculator (const RenderingOpSequenceCalculator&);
-	const RenderingOpSequenceCalculator& operator= (const RenderingOpSequenceCalculator&);
+	RenderingOpSequenceCalculator& operator= (const RenderingOpSequenceCalculator&);
 };
 
 }
@@ -36320,11 +36319,11 @@ private:
 		const int index;
 
 		ParamSlider (const ParamSlider&);
-		const ParamSlider& operator= (const ParamSlider&);
+		ParamSlider& operator= (const ParamSlider&);
 	};
 
 	ProcessorParameterPropertyComp (const ProcessorParameterPropertyComp&);
-	const ProcessorParameterPropertyComp& operator= (const ProcessorParameterPropertyComp&);
+	ProcessorParameterPropertyComp& operator= (const ProcessorParameterPropertyComp&);
 };
 
 GenericAudioProcessorEditor::GenericAudioProcessorEditor (AudioProcessor* const owner_)
@@ -36985,7 +36984,7 @@ public:
 
 private:
 	ActionMessage (const ActionMessage&);
-	const ActionMessage& operator= (const ActionMessage&);
+	ActionMessage& operator= (const ActionMessage&);
 };
 
 ActionListenerList::ActionListenerList() throw()
@@ -38776,7 +38775,7 @@ private:
 	float scale, scaleChangePerMs;
 
 	FadeOutProxyComponent (const FadeOutProxyComponent&);
-	const FadeOutProxyComponent& operator= (const FadeOutProxyComponent&);
+	FadeOutProxyComponent& operator= (const FadeOutProxyComponent&);
 };
 
 void Component::fadeOutComponent (const int millisecondsToFade,
@@ -43898,7 +43897,7 @@ CodeDocument::Iterator::Iterator (const CodeDocument::Iterator& other)
 {
 }
 
-const CodeDocument::Iterator& CodeDocument::Iterator::operator= (const CodeDocument::Iterator& other) throw()
+CodeDocument::Iterator& CodeDocument::Iterator::operator= (const CodeDocument::Iterator& other) throw()
 {
 	document = other.document;
 	currentLine = other.currentLine;
@@ -44008,7 +44007,7 @@ CodeDocument::Position::~Position() throw()
 	setPositionMaintained (false);
 }
 
-const CodeDocument::Position& CodeDocument::Position::operator= (const Position& other) throw()
+CodeDocument::Position& CodeDocument::Position::operator= (const Position& other) throw()
 {
 	if (this != &other)
 	{
@@ -44496,7 +44495,7 @@ class CodeDocumentInsertAction   : public UndoableAction
 	int insertPos;
 
 	CodeDocumentInsertAction (const CodeDocumentInsertAction&);
-	const CodeDocumentInsertAction& operator= (const CodeDocumentInsertAction&);
+	CodeDocumentInsertAction& operator= (const CodeDocumentInsertAction&);
 
 public:
 	CodeDocumentInsertAction (CodeDocument& owner_, const String& text_, const int insertPos_) throw()
@@ -44601,7 +44600,7 @@ class CodeDocumentDeleteAction  : public UndoableAction
 	String removedText;
 
 	CodeDocumentDeleteAction (const CodeDocumentDeleteAction&);
-	const CodeDocumentDeleteAction& operator= (const CodeDocumentDeleteAction&);
+	CodeDocumentDeleteAction& operator= (const CodeDocumentDeleteAction&);
 
 public:
 	CodeDocumentDeleteAction (CodeDocument& owner_, const int startPos_, const int endPos_) throw()
@@ -47618,7 +47617,7 @@ private:
 	bool selected, isDragging, selectRowOnMouseUp;
 
 	ListBoxRowComponent (const ListBoxRowComponent&);
-	const ListBoxRowComponent& operator= (const ListBoxRowComponent&);
+	ListBoxRowComponent& operator= (const ListBoxRowComponent&);
 };
 
 class ListViewport  : public Viewport
@@ -47772,7 +47771,7 @@ private:
 	ListBox& owner;
 
 	ListViewport (const ListViewport&);
-	const ListViewport& operator= (const ListViewport&);
+	ListViewport& operator= (const ListViewport&);
 };
 
 ListBox::ListBox (const String& name, ListBoxModel* const model_)
@@ -48583,7 +48582,7 @@ private:
 	String text;
 
 	SliderPopupDisplayComponent (const SliderPopupDisplayComponent&);
-	const SliderPopupDisplayComponent& operator= (const SliderPopupDisplayComponent&);
+	SliderPopupDisplayComponent& operator= (const SliderPopupDisplayComponent&);
 };
 
 Slider::Slider (const String& name)
@@ -49948,7 +49947,7 @@ private:
 	ScopedPointer <Image> image;
 
 	DragOverlayComp (const DragOverlayComp&);
-	const DragOverlayComp& operator= (const DragOverlayComp&);
+	DragOverlayComp& operator= (const DragOverlayComp&);
 };
 
 TableHeaderComponent::TableHeaderComponent()
@@ -51049,7 +51048,7 @@ private:
 	}
 
 	TableListRowComp (const TableListRowComp&);
-	const TableListRowComp& operator= (const TableListRowComp&);
+	TableListRowComp& operator= (const TableListRowComp&);
 };
 
 class TableListBoxHeader  : public TableHeaderComponent
@@ -51098,7 +51097,7 @@ private:
 	TableListBox& owner;
 
 	TableListBoxHeader (const TableListBoxHeader&);
-	const TableListBoxHeader& operator= (const TableListBoxHeader&);
+	TableListBoxHeader& operator= (const TableListBoxHeader&);
 };
 
 TableListBox::TableListBox (const String& name, TableListBoxModel* const model_)
@@ -51645,7 +51644,7 @@ private:
 		}
 	}
 
-	const UniformTextSection& operator= (const UniformTextSection& other);
+	UniformTextSection& operator= (const UniformTextSection& other);
 };
 
 class TextEditorIterator
@@ -52043,7 +52042,7 @@ private:
 	const tchar passwordCharacter;
 	TextAtom tempAtom;
 
-	const TextEditorIterator& operator= (const TextEditorIterator&);
+	TextEditorIterator& operator= (const TextEditorIterator&);
 
 	void moveToEndOfLastAtom()
 	{
@@ -52074,7 +52073,7 @@ class TextEditorInsertAction  : public UndoableAction
 	const Colour colour;
 
 	TextEditorInsertAction (const TextEditorInsertAction&);
-	const TextEditorInsertAction& operator= (const TextEditorInsertAction&);
+	TextEditorInsertAction& operator= (const TextEditorInsertAction&);
 
 public:
 	TextEditorInsertAction (TextEditor& owner_,
@@ -52124,7 +52123,7 @@ class TextEditorRemoveAction  : public UndoableAction
 	VoidArray removedSections;
 
 	TextEditorRemoveAction (const TextEditorRemoveAction&);
-	const TextEditorRemoveAction& operator= (const TextEditorRemoveAction&);
+	TextEditorRemoveAction& operator= (const TextEditorRemoveAction&);
 
 public:
 	TextEditorRemoveAction (TextEditor& owner_,
@@ -52184,7 +52183,7 @@ class TextHolderComponent  : public Component,
 	TextEditor& owner;
 
 	TextHolderComponent (const TextHolderComponent&);
-	const TextHolderComponent& operator= (const TextHolderComponent&);
+	TextHolderComponent& operator= (const TextHolderComponent&);
 
 public:
 	TextHolderComponent (TextEditor& owner_)
@@ -52228,7 +52227,7 @@ class TextEditorViewport  : public Viewport
 	float lastWordWrapWidth;
 
 	TextEditorViewport (const TextEditorViewport&);
-	const TextEditorViewport& operator= (const TextEditorViewport&);
+	TextEditorViewport& operator= (const TextEditorViewport&);
 
 public:
 	TextEditorViewport (TextEditor* const owner_)
@@ -54029,7 +54028,7 @@ private:
 	const bool drawBar;
 
 	ToolbarSpacerComp (const ToolbarSpacerComp&);
-	const ToolbarSpacerComp& operator= (const ToolbarSpacerComp&);
+	ToolbarSpacerComp& operator= (const ToolbarSpacerComp&);
 };
 
 class MissingItemsComponent  : public PopupMenuCustomComponent
@@ -54123,7 +54122,7 @@ private:
 	Array <int> oldIndexes;
 
 	MissingItemsComponent (const MissingItemsComponent&);
-	const MissingItemsComponent& operator= (const MissingItemsComponent&);
+	MissingItemsComponent& operator= (const MissingItemsComponent&);
 };
 
 Toolbar::Toolbar()
@@ -54866,7 +54865,7 @@ private:
 	bool isDragging;
 
 	ItemDragAndDropOverlayComponent (const ItemDragAndDropOverlayComponent&);
-	const ItemDragAndDropOverlayComponent& operator= (const ItemDragAndDropOverlayComponent&);
+	ItemDragAndDropOverlayComponent& operator= (const ItemDragAndDropOverlayComponent&);
 };
 
 ToolbarItemComponent::ToolbarItemComponent (const int itemId_,
@@ -55385,7 +55384,7 @@ private:
 	bool isDragging, needSelectionOnMouseUp;
 
 	TreeViewContentComponent (const TreeViewContentComponent&);
-	const TreeViewContentComponent& operator= (const TreeViewContentComponent&);
+	TreeViewContentComponent& operator= (const TreeViewContentComponent&);
 
 	void selectBasedOnModifiers (TreeViewItem* const item, const ModifierKeys& modifiers)
 	{
@@ -55451,7 +55450,7 @@ public:
 
 private:
 	TreeViewport (const TreeViewport&);
-	const TreeViewport& operator= (const TreeViewport&);
+	TreeViewport& operator= (const TreeViewport&);
 };
 
 TreeView::TreeView (const String& componentName)
@@ -59343,7 +59342,7 @@ private:
 	const int keyNum;
 
 	KeyMappingChangeButton (const KeyMappingChangeButton&);
-	const KeyMappingChangeButton& operator= (const KeyMappingChangeButton&);
+	KeyMappingChangeButton& operator= (const KeyMappingChangeButton&);
 };
 
 class KeyMappingItemComponent  : public Component
@@ -59413,7 +59412,7 @@ private:
 	const CommandID commandID;
 
 	KeyMappingItemComponent (const KeyMappingItemComponent&);
-	const KeyMappingItemComponent& operator= (const KeyMappingItemComponent&);
+	KeyMappingItemComponent& operator= (const KeyMappingItemComponent&);
 };
 
 class KeyMappingTreeViewItem  : public TreeViewItem
@@ -59446,7 +59445,7 @@ private:
 	const CommandID commandID;
 
 	KeyMappingTreeViewItem (const KeyMappingTreeViewItem&);
-	const KeyMappingTreeViewItem& operator= (const KeyMappingTreeViewItem&);
+	KeyMappingTreeViewItem& operator= (const KeyMappingTreeViewItem&);
 };
 
 class KeyCategoryTreeViewItem  : public TreeViewItem
@@ -59505,7 +59504,7 @@ private:
 	String categoryName;
 
 	KeyCategoryTreeViewItem (const KeyCategoryTreeViewItem&);
-	const KeyCategoryTreeViewItem& operator= (const KeyCategoryTreeViewItem&);
+	KeyCategoryTreeViewItem& operator= (const KeyCategoryTreeViewItem&);
 };
 
 KeyMappingEditorComponent::KeyMappingEditorComponent (KeyPressMappingSet* const mappingManager,
@@ -59676,7 +59675,7 @@ private:
 	KeyMappingEditorComponent* owner;
 
 	KeyEntryWindow (const KeyEntryWindow&);
-	const KeyEntryWindow& operator= (const KeyEntryWindow&);
+	KeyEntryWindow& operator= (const KeyEntryWindow&);
 };
 
 void KeyMappingEditorComponent::assignNewKey (const CommandID commandID, const int index)
@@ -59770,7 +59769,7 @@ KeyPress::KeyPress (const KeyPress& other) throw()
 {
 }
 
-const KeyPress& KeyPress::operator= (const KeyPress& other) throw()
+KeyPress& KeyPress::operator= (const KeyPress& other) throw()
 {
 	keyCode = other.keyCode;
 	mods = other.mods;
@@ -60396,7 +60395,7 @@ ModifierKeys::ModifierKeys (const ModifierKeys& other) throw()
 {
 }
 
-const ModifierKeys& ModifierKeys::operator= (const ModifierKeys& other) throw()
+ModifierKeys& ModifierKeys::operator= (const ModifierKeys& other) throw()
 {
 	flags = other.flags;
 	return *this;
@@ -61968,7 +61967,7 @@ private:
 	ScrollBar& owner;
 
 	ScrollbarButton (const ScrollbarButton&);
-	const ScrollbarButton& operator= (const ScrollbarButton&);
+	ScrollbarButton& operator= (const ScrollbarButton&);
 };
 
 ScrollBar::ScrollBar (const bool vertical_,
@@ -62976,7 +62975,7 @@ private:
 	TabbedButtonBar* const owner;
 
 	TabAreaBehindFrontButtonComponent (const TabAreaBehindFrontButtonComponent&);
-	const TabAreaBehindFrontButtonComponent& operator= (const TabAreaBehindFrontButtonComponent&);
+	TabAreaBehindFrontButtonComponent& operator= (const TabAreaBehindFrontButtonComponent&);
 };
 
 TabbedButtonBar::TabbedButtonBar (const Orientation orientation_)
@@ -63388,7 +63387,7 @@ private:
 	TabbedComponent* const owner;
 
 	TabCompButtonBar (const TabCompButtonBar&);
-	const TabCompButtonBar& operator= (const TabCompButtonBar&);
+	TabCompButtonBar& operator= (const TabCompButtonBar&);
 };
 
 TabbedComponent::TabbedComponent (const TabbedButtonBar::Orientation orientation)
@@ -65787,7 +65786,7 @@ private:
 	Path normalShape, toggledShape;
 
 	GlassWindowButton (const GlassWindowButton&);
-	const GlassWindowButton& operator= (const GlassWindowButton&);
+	GlassWindowButton& operator= (const GlassWindowButton&);
 };
 
 Button* LookAndFeel::createDocumentWindowButton (int buttonType)
@@ -67543,7 +67542,7 @@ BEGIN_JUCE_NAMESPACE
 class DummyMenuComponent  : public Component
 {
 	DummyMenuComponent (const DummyMenuComponent&);
-	const DummyMenuComponent& operator= (const DummyMenuComponent&);
+	DummyMenuComponent& operator= (const DummyMenuComponent&);
 
 public:
 	DummyMenuComponent()	{}
@@ -69259,7 +69258,7 @@ PopupMenu::PopupMenu (const PopupMenu& other)
 		items.add (new Item (*other.items.getUnchecked(i)));
 }
 
-const PopupMenu& PopupMenu::operator= (const PopupMenu& other)
+PopupMenu& PopupMenu::operator= (const PopupMenu& other)
 {
 	if (this != &other)
 	{
@@ -69404,7 +69403,7 @@ private:
 	const int width, height;
 
 	NormalComponentWrapper (const NormalComponentWrapper&);
-	const NormalComponentWrapper& operator= (const NormalComponentWrapper&);
+	NormalComponentWrapper& operator= (const NormalComponentWrapper&);
 };
 
 void PopupMenu::addCustomItem (const int itemResultId,
@@ -70337,7 +70336,7 @@ private:
 	const MouseCursor::StandardCursorType standardType;
 	const bool isStandard;
 
-	const SharedMouseCursorInternal& operator= (const SharedMouseCursorInternal&);
+	SharedMouseCursorInternal& operator= (const SharedMouseCursorInternal&);
 };
 
 MouseCursor::MouseCursor() throw()
@@ -70367,7 +70366,7 @@ MouseCursor::~MouseCursor() throw()
 {
 }
 
-const MouseCursor& MouseCursor::operator= (const MouseCursor& other) throw()
+MouseCursor& MouseCursor::operator= (const MouseCursor& other) throw()
 {
 	cursorHandle = other.cursorHandle;
 	return *this;
@@ -71675,7 +71674,7 @@ private:
 	}
 
 	MidiInputSelectorComponentListBox (const MidiInputSelectorComponentListBox&);
-	const MidiInputSelectorComponentListBox& operator= (const MidiInputSelectorComponentListBox&);
+	MidiInputSelectorComponentListBox& operator= (const MidiInputSelectorComponentListBox&);
 };
 
 class AudioDeviceSettingsPanel : public Component,
@@ -72401,7 +72400,7 @@ public:
 		}
 
 		ChannelSelectorListBox (const ChannelSelectorListBox&);
-		const ChannelSelectorListBox& operator= (const ChannelSelectorListBox&);
+		ChannelSelectorListBox& operator= (const ChannelSelectorListBox&);
 	};
 
 private:
@@ -72409,7 +72408,7 @@ private:
 	ChannelSelectorListBox* outputChanList;
 
 	AudioDeviceSettingsPanel (const AudioDeviceSettingsPanel&);
-	const AudioDeviceSettingsPanel& operator= (const AudioDeviceSettingsPanel&);
+	AudioDeviceSettingsPanel& operator= (const AudioDeviceSettingsPanel&);
 };
 
 AudioDeviceSelectorComponent::AudioDeviceSelectorComponent (AudioDeviceManager& deviceManager_,
@@ -72953,7 +72952,7 @@ public:
 
 private:
 	ColourComponentSlider (const ColourComponentSlider&);
-	const ColourComponentSlider& operator= (const ColourComponentSlider&);
+	ColourComponentSlider& operator= (const ColourComponentSlider&);
 };
 
 class ColourSpaceMarker  : public Component
@@ -72978,7 +72977,7 @@ public:
 
 private:
 	ColourSpaceMarker (const ColourSpaceMarker&);
-	const ColourSpaceMarker& operator= (const ColourSpaceMarker&);
+	ColourSpaceMarker& operator= (const ColourSpaceMarker&);
 };
 
 class ColourSpaceView  : public Component
@@ -73081,7 +73080,7 @@ private:
 	}
 
 	ColourSpaceView (const ColourSpaceView&);
-	const ColourSpaceView& operator= (const ColourSpaceView&);
+	ColourSpaceView& operator= (const ColourSpaceView&);
 };
 
 class HueSelectorMarker  : public Component
@@ -73116,7 +73115,7 @@ public:
 
 private:
 	HueSelectorMarker (const HueSelectorMarker&);
-	const HueSelectorMarker& operator= (const HueSelectorMarker&);
+	HueSelectorMarker& operator= (const HueSelectorMarker&);
 };
 
 class HueSelectorComp  : public Component
@@ -73184,7 +73183,7 @@ private:
 	const int edge;
 
 	HueSelectorComp (const HueSelectorComp&);
-	const HueSelectorComp& operator= (const HueSelectorComp&);
+	HueSelectorComp& operator= (const HueSelectorComp&);
 };
 
 class ColourSelector::SwatchComponent   : public Component
@@ -73238,7 +73237,7 @@ private:
 	const int index;
 
 	SwatchComponent (const SwatchComponent&);
-	const SwatchComponent& operator= (const SwatchComponent&);
+	SwatchComponent& operator= (const SwatchComponent&);
 };
 
 ColourSelector::ColourSelector (const int flags_,
@@ -73602,7 +73601,7 @@ public:
 
 private:
 	ShadowWindow (const ShadowWindow&);
-	const ShadowWindow& operator= (const ShadowWindow&);
+	ShadowWindow& operator= (const ShadowWindow&);
 };
 
 DropShadower::DropShadower (const float alpha_,
@@ -73951,7 +73950,7 @@ private:
 	MagnifierComponent* const magnifierComp;
 
 	MagnifyingPeer (const MagnifyingPeer&);
-	const MagnifyingPeer& operator= (const MagnifyingPeer&);
+	MagnifyingPeer& operator= (const MagnifyingPeer&);
 };
 
 class PeerHolderComp	: public Component
@@ -73994,7 +73993,7 @@ private:
 	MagnifierComponent* const magnifierComp;
 
 	PeerHolderComp (const PeerHolderComp&);
-	const PeerHolderComp& operator= (const PeerHolderComp&);
+	PeerHolderComp& operator= (const PeerHolderComp&);
 };
 
 MagnifierComponent::MagnifierComponent (Component* const content_,
@@ -74195,7 +74194,7 @@ private:
 	const int delta;
 
 	MidiKeyboardUpDownButton (const MidiKeyboardUpDownButton&);
-	const MidiKeyboardUpDownButton& operator= (const MidiKeyboardUpDownButton&);
+	MidiKeyboardUpDownButton& operator= (const MidiKeyboardUpDownButton&);
 };
 
 MidiKeyboardComponent::MidiKeyboardComponent (MidiKeyboardState& state_,
@@ -75325,7 +75324,7 @@ public:
 
 private:
 	PrefsDialogWindow (const PrefsDialogWindow&);
-	const PrefsDialogWindow& operator= (const PrefsDialogWindow&);
+	PrefsDialogWindow& operator= (const PrefsDialogWindow&);
 };
 
 void PreferencesPanel::showInDialogBox (const String& dialogtitle,
@@ -75471,7 +75470,7 @@ public:
 
 private:
 	AlertWindowTextEditor (const AlertWindowTextEditor&);
-	const AlertWindowTextEditor& operator= (const AlertWindowTextEditor&);
+	AlertWindowTextEditor& operator= (const AlertWindowTextEditor&);
 };
 
 #if JUCE_LINUX
@@ -75646,11 +75645,6 @@ ComboBox* AlertWindow::getComboBoxComponent (const String& nameOfList) const
 
 class AlertTextComp : public TextEditor
 {
-	AlertTextComp (const AlertTextComp&);
-	const AlertTextComp& operator= (const AlertTextComp&);
-
-	int bestWidth;
-
 public:
 	AlertTextComp (const String& message,
 				   const Font& font)
@@ -75685,6 +75679,12 @@ public:
 		text.layout (width - 8, Justification::topLeft, true);
 		setSize (width, jmin (width, text.getHeight() + (int) getFont().getHeight()));
 	}
+
+private:
+	int bestWidth;
+
+	AlertTextComp (const AlertTextComp&);
+	AlertTextComp& operator= (const AlertTextComp&);
 };
 
 void AlertWindow::addTextBlock (const String& text)
@@ -76819,7 +76819,7 @@ public:
 
 private:
 	TempDialogWindow (const TempDialogWindow&);
-	const TempDialogWindow& operator= (const TempDialogWindow&);
+	TempDialogWindow& operator= (const TempDialogWindow&);
 
 };
 
@@ -78137,7 +78137,7 @@ private:
 	}
 
 	TopLevelWindowManager (const TopLevelWindowManager&);
-	const TopLevelWindowManager& operator= (const TopLevelWindowManager&);
+	TopLevelWindowManager& operator= (const TopLevelWindowManager&);
 };
 
 juce_ImplementSingleton_SingleThreaded (TopLevelWindowManager)
@@ -78383,7 +78383,7 @@ Colour::Colour (const Colour& other) throw()
 {
 }
 
-const Colour& Colour::operator= (const Colour& other) throw()
+Colour& Colour::operator= (const Colour& other) throw()
 {
 	argb = other.argb;
 	return *this;
@@ -79565,7 +79565,7 @@ EdgeTable::EdgeTable (const EdgeTable& other) throw()
 	operator= (other);
 }
 
-const EdgeTable& EdgeTable::operator= (const EdgeTable& other) throw()
+EdgeTable& EdgeTable::operator= (const EdgeTable& other) throw()
 {
 	bounds = other.bounds;
 	maxEdgesPerLine = other.maxEdgesPerLine;
@@ -80099,7 +80099,7 @@ FillType::FillType (const FillType& other) throw()
 {
 }
 
-const FillType& FillType::operator= (const FillType& other) throw()
+FillType& FillType::operator= (const FillType& other) throw()
 {
 	if (this != &other)
 	{
@@ -80906,7 +80906,7 @@ Justification::Justification (const Justification& other) throw()
 {
 }
 
-const Justification& Justification::operator= (const Justification& other) throw()
+Justification& Justification::operator= (const Justification& other) throw()
 {
 	flags = other.flags;
 	return *this;
@@ -81583,7 +81583,7 @@ private:
 	}
 
 	SolidColourEdgeTableRenderer (const SolidColourEdgeTableRenderer&);
-	const SolidColourEdgeTableRenderer& operator= (const SolidColourEdgeTableRenderer&);
+	SolidColourEdgeTableRenderer& operator= (const SolidColourEdgeTableRenderer&);
 };
 
 class LinearGradientPixelGenerator
@@ -81663,7 +81663,7 @@ private:
 	enum { numScaleBits = 12 };
 
 	LinearGradientPixelGenerator (const LinearGradientPixelGenerator&);
-	const LinearGradientPixelGenerator& operator= (const LinearGradientPixelGenerator&);
+	LinearGradientPixelGenerator& operator= (const LinearGradientPixelGenerator&);
 };
 
 class RadialGradientPixelGenerator
@@ -81706,7 +81706,7 @@ protected:
 	double maxDist, invScale, dy;
 
 	RadialGradientPixelGenerator (const RadialGradientPixelGenerator&);
-	const RadialGradientPixelGenerator& operator= (const RadialGradientPixelGenerator&);
+	RadialGradientPixelGenerator& operator= (const RadialGradientPixelGenerator&);
 };
 
 class TransformedRadialGradientPixelGenerator   : public RadialGradientPixelGenerator
@@ -81746,7 +81746,7 @@ private:
 	const AffineTransform inverseTransform;
 
 	TransformedRadialGradientPixelGenerator (const TransformedRadialGradientPixelGenerator&);
-	const TransformedRadialGradientPixelGenerator& operator= (const TransformedRadialGradientPixelGenerator&);
+	TransformedRadialGradientPixelGenerator& operator= (const TransformedRadialGradientPixelGenerator&);
 };
 
 template <class PixelType, class GradientType>
@@ -81796,7 +81796,7 @@ private:
 	PixelType* linePixels;
 
 	GradientEdgeTableRenderer (const GradientEdgeTableRenderer&);
-	const GradientEdgeTableRenderer& operator= (const GradientEdgeTableRenderer&);
+	GradientEdgeTableRenderer& operator= (const GradientEdgeTableRenderer&);
 };
 
 static forcedinline int safeModulo (int n, const int divisor) throw()
@@ -81908,7 +81908,7 @@ private:
 	}
 
 	ImageFillEdgeTableRenderer (const ImageFillEdgeTableRenderer&);
-	const ImageFillEdgeTableRenderer& operator= (const ImageFillEdgeTableRenderer&);
+	ImageFillEdgeTableRenderer& operator= (const ImageFillEdgeTableRenderer&);
 };
 
 template <class DestPixelType, class SrcPixelType, bool repeatPattern>
@@ -82287,7 +82287,7 @@ private:
 		BresenhamInterpolator xBresenham, yBresenham;
 
 		TransformedImageSpanInterpolator (const TransformedImageSpanInterpolator&);
-		const TransformedImageSpanInterpolator& operator= (const TransformedImageSpanInterpolator&);
+		TransformedImageSpanInterpolator& operator= (const TransformedImageSpanInterpolator&);
 	};
 
 	TransformedImageSpanInterpolator interpolator;
@@ -82303,7 +82303,7 @@ private:
 	int scratchSize;
 
 	TransformedImageFillEdgeTableRenderer (const TransformedImageFillEdgeTableRenderer&);
-	const TransformedImageFillEdgeTableRenderer& operator= (const TransformedImageFillEdgeTableRenderer&);
+	TransformedImageFillEdgeTableRenderer& operator= (const TransformedImageFillEdgeTableRenderer&);
 };
 
 class LLGCSavedState
@@ -82569,7 +82569,7 @@ public:
 	Graphics::ResamplingQuality interpolationQuality;
 
 private:
-	const LLGCSavedState& operator= (const LLGCSavedState&);
+	LLGCSavedState& operator= (const LLGCSavedState&);
 
 	void dupeEdgeTableIfMultiplyReferenced() throw()
 	{
@@ -82997,7 +82997,7 @@ public:
 		ScopedPointer <EdgeTable> edgeTable;
 
 		CachedGlyph (const CachedGlyph&);
-		const CachedGlyph& operator= (const CachedGlyph&);
+		CachedGlyph& operator= (const CachedGlyph&);
 	};
 
 	juce_UseDebuggingNewOperator
@@ -83007,7 +83007,7 @@ private:
 	int accessCounter, hits, misses;
 
 	GlyphCache (const GlyphCache&);
-	const GlyphCache& operator= (const GlyphCache&);
+	GlyphCache& operator= (const GlyphCache&);
 };
 
 juce_ImplementSingleton_SingleThreaded (GlyphCache);
@@ -83056,7 +83056,7 @@ RectanglePlacement::RectanglePlacement (const RectanglePlacement& other) throw()
 {
 }
 
-const RectanglePlacement& RectanglePlacement::operator= (const RectanglePlacement& other) throw()
+RectanglePlacement& RectanglePlacement::operator= (const RectanglePlacement& other) throw()
 {
 	flags = other.flags;
 	return *this;
@@ -85217,7 +85217,7 @@ private:
 		return 0;
 	}
 
-	const SVGState& operator= (const SVGState&);
+	SVGState& operator= (const SVGState&);
 };
 
 Drawable* Drawable::createFromSVG (const XmlElement& svgDocument)
@@ -85447,7 +85447,7 @@ Font::Font (const Font& other) throw()
 {
 }
 
-const Font& Font::operator= (const Font& other) throw()
+Font& Font::operator= (const Font& other) throw()
 {
 	font = other.font;
 	return *this;
@@ -85761,7 +85761,7 @@ private:
 	OwnedArray <CachedFace> faces;
 
 	TypefaceCache (const TypefaceCache&);
-	const TypefaceCache& operator= (const TypefaceCache&);
+	TypefaceCache& operator= (const TypefaceCache&);
 };
 
 juce_ImplementSingleton_SingleThreaded (TypefaceCache)
@@ -85863,7 +85863,7 @@ GlyphArrangement::GlyphArrangement (const GlyphArrangement& other)
 	addGlyphArrangement (other);
 }
 
-const GlyphArrangement& GlyphArrangement::operator= (const GlyphArrangement& other)
+GlyphArrangement& GlyphArrangement::operator= (const GlyphArrangement& other)
 {
 	if (this != &other)
 	{
@@ -86650,7 +86650,7 @@ TextLayout::TextLayout (const TextLayout& other) throw()
 	*this = other;
 }
 
-const TextLayout& TextLayout::operator= (const TextLayout& other) throw()
+TextLayout& TextLayout::operator= (const TextLayout& other) throw()
 {
 	if (this != &other)
 	{
@@ -86977,7 +86977,7 @@ public:
 
 private:
 	GlyphInfo (const GlyphInfo&);
-	const GlyphInfo& operator= (const GlyphInfo&);
+	GlyphInfo& operator= (const GlyphInfo&);
 };
 
 CustomTypeface::CustomTypeface()
@@ -87294,7 +87294,7 @@ AffineTransform::AffineTransform (const float mat00_,
 {
 }
 
-const AffineTransform& AffineTransform::operator= (const AffineTransform& other) throw()
+AffineTransform& AffineTransform::operator= (const AffineTransform& other) throw()
 {
 	mat00 = other.mat00;
 	mat01 = other.mat01;
@@ -87710,7 +87710,7 @@ Line::Line (const Point<float>& start,
 {
 }
 
-const Line& Line::operator= (const Line& other) throw()
+Line& Line::operator= (const Line& other) throw()
 {
 	startX = other.startX;
 	startY = other.startY;
@@ -88005,7 +88005,7 @@ Path::Path (const Path& other) throw()
 	}
 }
 
-const Path& Path::operator= (const Path& other) throw()
+Path& Path::operator= (const Path& other) throw()
 {
 	if (this != &other)
 	{
@@ -89775,7 +89775,7 @@ PathStrokeType::PathStrokeType (const PathStrokeType& other) throw()
 {
 }
 
-const PathStrokeType& PathStrokeType::operator= (const PathStrokeType& other) throw()
+PathStrokeType& PathStrokeType::operator= (const PathStrokeType& other) throw()
 {
 	thickness = other.thickness;
 	jointStyle = other.jointStyle;
@@ -90397,7 +90397,7 @@ PositionedRectangle::PositionedRectangle (const PositionedRectangle& other) thro
 {
 }
 
-const PositionedRectangle& PositionedRectangle::operator= (const PositionedRectangle& other) throw()
+PositionedRectangle& PositionedRectangle::operator= (const PositionedRectangle& other) throw()
 {
 	x = other.x;
 	y = other.y;
@@ -90415,7 +90415,7 @@ PositionedRectangle::~PositionedRectangle() throw()
 {
 }
 
-const bool PositionedRectangle::operator== (const PositionedRectangle& other) const throw()
+bool PositionedRectangle::operator== (const PositionedRectangle& other) const throw()
 {
 	return x == other.x
 		&& y == other.y
@@ -90427,7 +90427,7 @@ const bool PositionedRectangle::operator== (const PositionedRectangle& other) co
 		&& hMode == other.hMode;
 }
 
-const bool PositionedRectangle::operator!= (const PositionedRectangle& other) const throw()
+bool PositionedRectangle::operator!= (const PositionedRectangle& other) const throw()
 {
 	return ! operator== (other);
 }
@@ -90746,7 +90746,7 @@ RectangleList::RectangleList (const RectangleList& other) throw()
 {
 }
 
-const RectangleList& RectangleList::operator= (const RectangleList& other) throw()
+RectangleList& RectangleList::operator= (const RectangleList& other) throw()
 {
 	rects = other.rects;
 	return *this;
@@ -92152,7 +92152,7 @@ private:
 	static inline int makeWord (const uint8 a, const uint8 b)	{ return (b << 8) | a; }
 
 	GIFLoader (const GIFLoader&);
-	const GIFLoader& operator= (const GIFLoader&);
+	GIFLoader& operator= (const GIFLoader&);
 };
 
 #endif   // DOXYGEN
@@ -242171,7 +242171,7 @@ private:
 	ScopedPointer <NSViewComponentInternal> viewHolder;
 
 	WindowedGLContext (const WindowedGLContext&);
-	const WindowedGLContext& operator= (const WindowedGLContext&);
+	WindowedGLContext& operator= (const WindowedGLContext&);
 };
 
 OpenGLContext* OpenGLContext::createContextForWindow (Component* const component,
@@ -243180,7 +243180,7 @@ private:
 	}
 
 	IPhoneAudioIODevice (const IPhoneAudioIODevice&);
-	const IPhoneAudioIODevice& operator= (const IPhoneAudioIODevice&);
+	IPhoneAudioIODevice& operator= (const IPhoneAudioIODevice&);
 };
 
 class IPhoneAudioIODeviceType  : public AudioIODeviceType
@@ -243235,7 +243235,7 @@ public:
 
 private:
 	IPhoneAudioIODeviceType (const IPhoneAudioIODeviceType&);
-	const IPhoneAudioIODeviceType& operator= (const IPhoneAudioIODeviceType&);
+	IPhoneAudioIODeviceType& operator= (const IPhoneAudioIODeviceType&);
 };
 
 AudioIODeviceType* juce_createAudioIODeviceType_iPhoneAudio()
@@ -245173,18 +245173,18 @@ END_JUCE_NAMESPACE
 - (void) keyDown: (NSEvent*) ev;
 - (void) keyUp: (NSEvent*) ev;
 
-// Textinput Methods
-- (void) insertText:(id)aString; // instead of keyDown: aString can be NSString or NSAttributedString
-- (void) doCommandBySelector:(SEL)aSelector;
-- (void) setMarkedText:(id)aString selectedRange:(NSRange)selRange;
+// NSTextInput Methods
+- (void) insertText: (id) aString;
+- (void) doCommandBySelector: (SEL) aSelector;
+- (void) setMarkedText: (id) aString selectedRange: (NSRange) selRange;
 - (void) unmarkText;
 - (BOOL) hasMarkedText;
 - (long) conversationIdentifier;
-- (NSAttributedString *) attributedSubstringFromRange:(NSRange)theRange;
+- (NSAttributedString*) attributedSubstringFromRange: (NSRange) theRange;
 - (NSRange) markedRange;
 - (NSRange) selectedRange;
-- (NSRect) firstRectForCharacterRange:(NSRange)theRange;
-- (unsigned int)characterIndexForPoint:(NSPoint)thePoint;
+- (NSRect) firstRectForCharacterRange: (NSRange) theRange;
+- (unsigned int) characterIndexForPoint: (NSPoint) thePoint;
 - (NSArray*) validAttributesForMarkedText;
 
 - (void) flagsChanged: (NSEvent*) ev;
@@ -247009,7 +247009,7 @@ public:
 
 private:
 	NSViewComponentInternal (const NSViewComponentInternal&);
-	const NSViewComponentInternal& operator= (const NSViewComponentInternal&);
+	NSViewComponentInternal& operator= (const NSViewComponentInternal&);
 };
 
 NSViewComponent::NSViewComponent()
@@ -247518,7 +247518,7 @@ private:
 	ScopedPointer <NSViewComponentInternal> viewHolder;
 
 	WindowedGLContext (const WindowedGLContext&);
-	const WindowedGLContext& operator= (const WindowedGLContext&);
+	WindowedGLContext& operator= (const WindowedGLContext&);
 };
 
 OpenGLContext* OpenGLContext::createContextForWindow (Component* const component,
@@ -250634,7 +250634,7 @@ private:
 	HeapBlock <float*> tempInputBuffers, tempOutputBuffers;
 
 	CoreAudioInternal (const CoreAudioInternal&);
-	const CoreAudioInternal& operator= (const CoreAudioInternal&);
+	CoreAudioInternal& operator= (const CoreAudioInternal&);
 
 	static OSStatus audioIOProc (AudioDeviceID inDevice,
 								 const AudioTimeStamp* inNow,
@@ -250943,7 +250943,7 @@ private:
 	}
 
 	CoreAudioIODevice (const CoreAudioIODevice&);
-	const CoreAudioIODevice& operator= (const CoreAudioIODevice&);
+	CoreAudioIODevice& operator= (const CoreAudioIODevice&);
 };
 
 class CoreAudioIODeviceType  : public AudioIODeviceType
@@ -251142,7 +251142,7 @@ private:
 	}
 
 	CoreAudioIODeviceType (const CoreAudioIODeviceType&);
-	const CoreAudioIODeviceType& operator= (const CoreAudioIODeviceType&);
+	CoreAudioIODeviceType& operator= (const CoreAudioIODeviceType&);
 };
 
 AudioIODeviceType* juce_createAudioIODeviceType_CoreAudio()
diff --git a/juce_amalgamated.h b/juce_amalgamated.h
index 4a3e7abd3f..3653821376 100644
--- a/juce_amalgamated.h
+++ b/juce_amalgamated.h
@@ -1096,7 +1096,7 @@ public:
 
 	// Assignment and concatenation operators..
 
-	const String& operator= (const String& other) throw();
+	String& operator= (const String& other) throw();
 
 	String& operator+= (const tchar* const textToAppend);
 	String& operator+= (const String& stringToAppend);
@@ -1358,7 +1358,7 @@ public:
 		int nextIndex;
 
 		Concatenator (const Concatenator&);
-		const Concatenator& operator= (const Concatenator&);
+		Concatenator& operator= (const Concatenator&);
 	};
 
 	juce_UseDebuggingNewOperator // (adds debugging info to find leaked objects)
@@ -1580,7 +1580,7 @@ private:
 	ElementType* data;
 
 	HeapBlock (const HeapBlock&);
-	const HeapBlock& operator= (const HeapBlock&);
+	HeapBlock& operator= (const HeapBlock&);
 };
 
 #endif   // __JUCE_HEAPBLOCK_JUCEHEADER__
@@ -3178,7 +3178,7 @@ public:
 			referencedObject->incReferenceCount();
 	}
 
-	const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& other)
+	ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& other)
 	{
 		ReferenceCountedObjectClass* const newObject = other.referencedObject;
 
@@ -3197,7 +3197,7 @@ public:
 		return *this;
 	}
 
-	const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (ReferenceCountedObjectClass* const newObject)
+	ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (ReferenceCountedObjectClass* const newObject)
 	{
 		if (referencedObject != newObject)
 		{
@@ -3332,7 +3332,7 @@ public:
 
 	inline ~ScopedPointer()							 { delete object; }
 
-	const ScopedPointer& operator= (ScopedPointer& objectToTransferFrom)
+	ScopedPointer& operator= (ScopedPointer& objectToTransferFrom)
 	{
 		if (this != objectToTransferFrom.getAddress())
 		{
@@ -3349,7 +3349,7 @@ public:
 		return *this;
 	}
 
-	const ScopedPointer& operator= (ObjectType* const newObjectToTakePossessionOf)
+	ScopedPointer& operator= (ObjectType* const newObjectToTakePossessionOf)
 	{
 		if (object != newObjectToTakePossessionOf)
 		{
@@ -3844,7 +3844,7 @@ public:
 
 	~StringArray();
 
-	const StringArray& operator= (const StringArray& other);
+	StringArray& operator= (const StringArray& other);
 
 	bool operator== (const StringArray& other) const;
 
@@ -3929,7 +3929,7 @@ public:
 
 	~StringPairArray() throw();
 
-	const StringPairArray& operator= (const StringPairArray& other) throw();
+	StringPairArray& operator= (const StringPairArray& other) throw();
 
 	bool operator== (const StringPairArray& other) const throw();
 
@@ -4000,7 +4000,7 @@ public:
 
 	RelativeTime (const RelativeTime& other) throw();
 
-	const RelativeTime& operator= (const RelativeTime& other) throw();
+	RelativeTime& operator= (const RelativeTime& other) throw();
 
 	~RelativeTime() throw();
 
@@ -4081,7 +4081,7 @@ public:
 
 	~Time() throw();
 
-	const Time& operator= (const Time& other) throw();
+	Time& operator= (const Time& other) throw();
 
 	static const Time JUCE_CALLTYPE getCurrentTime() throw();
 
@@ -4193,9 +4193,9 @@ public:
 
 	~File()  {}
 
-	const File& operator= (const String& newFilePath);
+	File& operator= (const String& newFilePath);
 
-	const File& operator= (const File& otherFile);
+	File& operator= (const File& otherFile);
 
 	static const File nonexistent;
 
@@ -4427,7 +4427,7 @@ public:
 
 	XmlElement (const XmlElement& other) throw();
 
-	const XmlElement& operator= (const XmlElement& other) throw();
+	XmlElement& operator= (const XmlElement& other) throw();
 
 	~XmlElement() throw();
 
@@ -4580,7 +4580,7 @@ private:
 		XmlAttributeNode* next;
 
 	private:
-		const XmlAttributeNode& operator= (const XmlAttributeNode&);
+		XmlAttributeNode& operator= (const XmlAttributeNode&);
 	};
 
 	XmlAttributeNode* attributes;
@@ -4608,7 +4608,7 @@ public:
 
 	PropertySet (const PropertySet& other) throw();
 
-	const PropertySet& operator= (const PropertySet& other) throw();
+	PropertySet& operator= (const PropertySet& other) throw();
 
 	virtual ~PropertySet();
 
@@ -5934,7 +5934,7 @@ private:
 	MessageListener* messageRecipient;
 
 	Message (const Message&);
-	const Message& operator= (const Message&);
+	Message& operator= (const Message&);
 };
 
 #endif   // __JUCE_MESSAGE_JUCEHEADER__
@@ -5990,7 +5990,7 @@ private:
 
 	private:
 		AsyncUpdaterInternal (const AsyncUpdaterInternal&);
-		const AsyncUpdaterInternal& operator= (const AsyncUpdaterInternal&);
+		AsyncUpdaterInternal& operator= (const AsyncUpdaterInternal&);
 	};
 
 	AsyncUpdaterInternal internalAsyncHandler;
@@ -6020,7 +6020,7 @@ public:
 
 	void setValue (const var& newValue);
 
-	const Value& operator= (const var& newValue);
+	Value& operator= (const var& newValue);
 
 	void referTo (const Value& valueToReferTo);
 
@@ -6064,7 +6064,7 @@ public:
 		void handleAsyncUpdate();
 
 		ValueSource (const ValueSource&);
-		const ValueSource& operator= (const ValueSource&);
+		ValueSource& operator= (const ValueSource&);
 	};
 
 	explicit Value (ValueSource* const valueSource);
@@ -6081,7 +6081,7 @@ private:
 
 	// This is disallowed to avoid confusion about whether it should
 	// do a by-value or by-reference copy.
-	const Value& operator= (const Value& other);
+	Value& operator= (const Value& other);
 };
 
 #endif   // __JUCE_VALUE_JUCEHEADER__
@@ -6144,7 +6144,7 @@ private:
 	const CriticalSection& lock_;
 
 	ScopedLock (const ScopedLock&);
-	const ScopedLock& operator= (const ScopedLock&);
+	ScopedLock& operator= (const ScopedLock&);
 };
 
 class ScopedUnlock
@@ -6160,7 +6160,7 @@ private:
 	const CriticalSection& lock_;
 
 	ScopedUnlock (const ScopedLock&);
-	const ScopedUnlock& operator= (const ScopedUnlock&);
+	ScopedUnlock& operator= (const ScopedUnlock&);
 };
 
 #endif   // __JUCE_SCOPEDLOCK_JUCEHEADER__
@@ -6197,7 +6197,7 @@ private:
 	bool messagePending;
 
 	ChangeListenerList (const ChangeListenerList&);
-	const ChangeListenerList& operator= (const ChangeListenerList&);
+	ChangeListenerList& operator= (const ChangeListenerList&);
 };
 
 #endif   // __JUCE_CHANGELISTENERLIST_JUCEHEADER__
@@ -6228,7 +6228,7 @@ private:
 	ChangeListenerList changeListenerList;
 
 	ChangeBroadcaster (const ChangeBroadcaster&);
-	const ChangeBroadcaster& operator= (const ChangeBroadcaster&);
+	ChangeBroadcaster& operator= (const ChangeBroadcaster&);
 };
 
 #endif   // __JUCE_CHANGEBROADCASTER_JUCEHEADER__
@@ -6310,7 +6310,7 @@ private:
 
 	// disallow copy constructor
 	UndoManager (const UndoManager&);
-	const UndoManager& operator= (const UndoManager&);
+	UndoManager& operator= (const UndoManager&);
 };
 
 #endif   // __JUCE_UNDOMANAGER_JUCEHEADER__
@@ -6324,7 +6324,7 @@ public:
 
 	ValueTree (const ValueTree& other);
 
-	const ValueTree& operator= (const ValueTree& other);
+	ValueTree& operator= (const ValueTree& other);
 
 	~ValueTree();
 
@@ -6454,7 +6454,7 @@ private:
 		juce_UseDebuggingNewOperator
 
 	private:
-		const SharedObject& operator= (const SharedObject&);
+		SharedObject& operator= (const SharedObject&);
 	};
 
 	template <typename ElementComparator>
@@ -6548,7 +6548,7 @@ private:
 	void trimFileSize (int maxFileSizeBytes) const;
 
 	FileLogger (const FileLogger&);
-	const FileLogger& operator= (const FileLogger&);
+	FileLogger& operator= (const FileLogger&);
 };
 
 #endif   // __JUCE_FILELOGGER_JUCEHEADER__
@@ -6737,7 +6737,7 @@ private:
 	void* pool;
 
 	ScopedAutoReleasePool (const ScopedAutoReleasePool&);
-	const ScopedAutoReleasePool& operator= (const ScopedAutoReleasePool&);
+	ScopedAutoReleasePool& operator= (const ScopedAutoReleasePool&);
 };
 
 #endif
@@ -6800,7 +6800,7 @@ private:
 	bool open (const bool openInExclusiveMode);
 
 	AppleRemoteDevice (const AppleRemoteDevice&);
-	const AppleRemoteDevice& operator= (const AppleRemoteDevice&);
+	AppleRemoteDevice& operator= (const AppleRemoteDevice&);
 };
 
 #endif
@@ -7176,7 +7176,7 @@ public:
 
 	BlowFish (const BlowFish& other);
 
-	const BlowFish& operator= (const BlowFish& other);
+	BlowFish& operator= (const BlowFish& other);
 
 	~BlowFish();
 
@@ -7212,7 +7212,7 @@ public:
 
 	MD5 (const MD5& other);
 
-	const MD5& operator= (const MD5& other);
+	MD5& operator= (const MD5& other);
 
 	MD5 (const MemoryBlock& data);
 
@@ -7355,7 +7355,7 @@ private:
 	ScopedPointer <DirectoryIterator> subIterator;
 
 	DirectoryIterator (const DirectoryIterator&);
-	const DirectoryIterator& operator= (const DirectoryIterator&);
+	DirectoryIterator& operator= (const DirectoryIterator&);
 };
 
 #endif   // __JUCE_DIRECTORYITERATOR_JUCEHEADER__
@@ -7397,7 +7397,7 @@ private:
 	bool needToSeek;
 
 	FileInputStream (const FileInputStream&);
-	const FileInputStream& operator= (const FileInputStream&);
+	FileInputStream& operator= (const FileInputStream&);
 };
 
 #endif   // __JUCE_FILEINPUTSTREAM_JUCEHEADER__
@@ -7462,7 +7462,7 @@ public:
 
 	~FileSearchPath();
 
-	const FileSearchPath& operator= (const String& path);
+	FileSearchPath& operator= (const String& path);
 
 	int getNumPaths() const;
 
@@ -7542,7 +7542,7 @@ private:
 	String currentPipeName;
 
 	NamedPipe (const NamedPipe&);
-	const NamedPipe& operator= (const NamedPipe&);
+	NamedPipe& operator= (const NamedPipe&);
 
 	bool openInternal (const String& pipeName, const bool createPipe);
 };
@@ -7594,7 +7594,7 @@ private:
 	void createTempFile (const File& parentDirectory, String name, const String& suffix, const int optionFlags);
 
 	TemporaryFile (const TemporaryFile&);
-	const TemporaryFile& operator= (const TemporaryFile&);
+	TemporaryFile& operator= (const TemporaryFile&);
 };
 
 #endif   // __JUCE_TEMPORARYFILE_JUCEHEADER__
@@ -7692,7 +7692,7 @@ private:
 	static int compareElements (const ZipEntryInfo* first, const ZipEntryInfo* second);
 
 	ZipFile (const ZipFile&);
-	const ZipFile& operator= (const ZipFile&);
+	ZipFile& operator= (const ZipFile&);
 };
 
 #endif   // __JUCE_ZIPFILE_JUCEHEADER__
@@ -7751,7 +7751,7 @@ private:
 
 	StreamingSocket (const String& hostname, const int portNumber, const int handle);
 	StreamingSocket (const StreamingSocket&);
-	const StreamingSocket& operator= (const StreamingSocket&);
+	StreamingSocket& operator= (const StreamingSocket&);
 };
 
 class JUCE_API  DatagramSocket
@@ -7799,7 +7799,7 @@ private:
 
 	DatagramSocket (const String& hostname, const int portNumber, const int handle, const int localPortNumber);
 	DatagramSocket (const DatagramSocket&);
-	const DatagramSocket& operator= (const DatagramSocket&);
+	DatagramSocket& operator= (const DatagramSocket&);
 };
 
 #endif   // __JUCE_SOCKET_JUCEHEADER__
@@ -7825,7 +7825,7 @@ public:
 
 	~URL();
 
-	const URL& operator= (const URL& other);
+	URL& operator= (const URL& other);
 
 	const String toString (const bool includeGetParameters) const;
 
@@ -7928,7 +7928,7 @@ private:
 	void ensureBuffered();
 
 	BufferedInputStream (const BufferedInputStream&);
-	const BufferedInputStream& operator= (const BufferedInputStream&);
+	BufferedInputStream& operator= (const BufferedInputStream&);
 };
 
 #endif   // __JUCE_BUFFEREDINPUTSTREAM_JUCEHEADER__
@@ -7959,7 +7959,7 @@ private:
 	const File file;
 
 	FileInputSource (const FileInputSource&);
-	const FileInputSource& operator= (const FileInputSource&);
+	FileInputSource& operator= (const FileInputSource&);
 };
 
 #endif   // __JUCE_FILEINPUTSOURCE_JUCEHEADER__
@@ -8001,7 +8001,7 @@ private:
 	bool doNextBlock();
 
 	GZIPCompressorOutputStream (const GZIPCompressorOutputStream&);
-	const GZIPCompressorOutputStream& operator= (const GZIPCompressorOutputStream&);
+	GZIPCompressorOutputStream& operator= (const GZIPCompressorOutputStream&);
 };
 
 #endif   // __JUCE_GZIPCOMPRESSOROUTPUTSTREAM_JUCEHEADER__
@@ -8048,7 +8048,7 @@ private:
 	ScopedPointer <GZIPDecompressHelper> helper;
 
 	GZIPDecompressorInputStream (const GZIPDecompressorInputStream&);
-	const GZIPDecompressorInputStream& operator= (const GZIPDecompressorInputStream&);
+	GZIPDecompressorInputStream& operator= (const GZIPDecompressorInputStream&);
 };
 
 #endif   // __JUCE_GZIPDECOMPRESSORINPUTSTREAM_JUCEHEADER__
@@ -8171,7 +8171,7 @@ private:
 	const int64 startPositionInSourceStream, lengthOfSourceStream;
 
 	SubregionStream (const SubregionStream&);
-	const SubregionStream& operator= (const SubregionStream&);
+	SubregionStream& operator= (const SubregionStream&);
 };
 
 #endif   // __JUCE_SUBREGIONSTREAM_JUCEHEADER__
@@ -8341,7 +8341,7 @@ private:
 	int reentrancyLevel;
 
 	InterProcessLock (const InterProcessLock&);
-	const InterProcessLock& operator= (const InterProcessLock&);
+	InterProcessLock& operator= (const InterProcessLock&);
 };
 
 #endif   // __JUCE_INTERPROCESSLOCK_JUCEHEADER__
@@ -8416,7 +8416,7 @@ private:
 	void* internal;
 
 	WaitableEvent (const WaitableEvent&);
-	const WaitableEvent& operator= (const WaitableEvent&);
+	WaitableEvent& operator= (const WaitableEvent&);
 };
 
 #endif   // __JUCE_WAITABLEEVENT_JUCEHEADER__
@@ -8503,7 +8503,7 @@ private:
 	static CriticalSection runningThreadsLock;
 
 	Thread (const Thread&);
-	const Thread& operator= (const Thread&);
+	Thread& operator= (const Thread&);
 };
 
 #endif   // __JUCE_THREAD_JUCEHEADER__
@@ -8538,7 +8538,7 @@ private:
 	mutable Array <Thread::ThreadID> readerThreads;
 
 	ReadWriteLock (const ReadWriteLock&);
-	const ReadWriteLock& operator= (const ReadWriteLock&);
+	ReadWriteLock& operator= (const ReadWriteLock&);
 };
 
 #endif   // __JUCE_READWRITELOCK_JUCEHEADER__
@@ -8568,7 +8568,7 @@ private:
 	const ReadWriteLock& lock_;
 
 	ScopedReadLock (const ScopedReadLock&);
-	const ScopedReadLock& operator= (const ScopedReadLock&);
+	ScopedReadLock& operator= (const ScopedReadLock&);
 };
 
 #endif   // __JUCE_SCOPEDREADLOCK_JUCEHEADER__
@@ -8598,7 +8598,7 @@ private:
 	const bool lockWasSuccessful;
 
 	ScopedTryLock (const ScopedTryLock&);
-	const ScopedTryLock& operator= (const ScopedTryLock&);
+	ScopedTryLock& operator= (const ScopedTryLock&);
 };
 
 #endif   // __JUCE_SCOPEDTRYLOCK_JUCEHEADER__
@@ -8625,7 +8625,7 @@ private:
 	const ReadWriteLock& lock_;
 
 	ScopedWriteLock (const ScopedWriteLock&);
-	const ScopedWriteLock& operator= (const ScopedWriteLock&);
+	ScopedWriteLock& operator= (const ScopedWriteLock&);
 };
 
 #endif   // __JUCE_SCOPEDWRITELOCK_JUCEHEADER__
@@ -8687,7 +8687,7 @@ private:
 	bool shouldStop, isActive, shouldBeDeleted;
 
 	ThreadPoolJob (const ThreadPoolJob&);
-	const ThreadPoolJob& operator= (const ThreadPoolJob&);
+	ThreadPoolJob& operator= (const ThreadPoolJob&);
 };
 
 class JUCE_API  ThreadPool
@@ -8751,7 +8751,7 @@ private:
 	bool runNextJob();
 
 	ThreadPool (const ThreadPool&);
-	const ThreadPool& operator= (const ThreadPool&);
+	ThreadPool& operator= (const ThreadPool&);
 };
 
 #endif   // __JUCE_THREADPOOL_JUCEHEADER__
@@ -8801,7 +8801,7 @@ private:
 	bool clientsChanged;
 
 	TimeSliceThread (const TimeSliceThread&);
-	const TimeSliceThread& operator= (const TimeSliceThread&);
+	TimeSliceThread& operator= (const TimeSliceThread&);
 };
 
 #endif   // __JUCE_TIMESLICETHREAD_JUCEHEADER__
@@ -8893,7 +8893,7 @@ public:
 
 	MouseCursor (const MouseCursor& other) throw();
 
-	const MouseCursor& operator= (const MouseCursor& other) throw();
+	MouseCursor& operator= (const MouseCursor& other) throw();
 
 	~MouseCursor() throw();
 
@@ -8943,7 +8943,7 @@ public:
 
 	ModifierKeys (const ModifierKeys& other) throw();
 
-	const ModifierKeys& operator= (const ModifierKeys& other) throw();
+	ModifierKeys& operator= (const ModifierKeys& other) throw();
 
 	inline bool isCommandDown() const throw()	   { return (flags & commandModifier) != 0; }
 
@@ -9039,7 +9039,7 @@ public:
 	AffineTransform (const float mat00, const float mat01, const float mat02,
 					 const float mat10, const float mat11, const float mat12) throw();
 
-	const AffineTransform& operator= (const AffineTransform& other) throw();
+	AffineTransform& operator= (const AffineTransform& other) throw();
 
 	bool operator== (const AffineTransform& other) const throw();
 
@@ -9317,7 +9317,7 @@ public:
 
 	KeyPress (const KeyPress& other) throw();
 
-	const KeyPress& operator= (const KeyPress& other) throw();
+	KeyPress& operator= (const KeyPress& other) throw();
 
 	bool operator== (const KeyPress& other) const throw();
 
@@ -9860,7 +9860,7 @@ public:
 
 	Justification (const Justification& other) throw();
 
-	const Justification& operator= (const Justification& other) throw();
+	Justification& operator= (const Justification& other) throw();
 
 	inline int getFlags() const throw()				 { return flags; }
 
@@ -9945,7 +9945,7 @@ public:
 
 	EdgeTable (const EdgeTable& other) throw();
 
-	const EdgeTable& operator= (const EdgeTable& other) throw();
+	EdgeTable& operator= (const EdgeTable& other) throw();
 
 	~EdgeTable() throw();
 
@@ -10071,7 +10071,7 @@ public:
 
 	~Path() throw();
 
-	const Path& operator= (const Path& other) throw();
+	Path& operator= (const Path& other) throw();
 
 	bool isEmpty() const throw();
 
@@ -10233,7 +10233,7 @@ public:
 		int index;
 
 		Iterator (const Iterator&);
-		const Iterator& operator= (const Iterator&);
+		Iterator& operator= (const Iterator&);
 	};
 
 	void loadPathFromStream (InputStream& source);
@@ -10300,7 +10300,7 @@ protected:
 
 private:
 	Typeface (const Typeface&);
-	const Typeface& operator= (const Typeface&);
+	Typeface& operator= (const Typeface&);
 };
 
 class JUCE_API  CustomTypeface  : public Typeface
@@ -10352,7 +10352,7 @@ private:
 	short lookupTable [128];
 
 	CustomTypeface (const CustomTypeface&);
-	const CustomTypeface& operator= (const CustomTypeface&);
+	CustomTypeface& operator= (const CustomTypeface&);
 
 	GlyphInfo* findGlyph (const juce_wchar character, const bool loadIfNeeded) throw();
 	GlyphInfo* findGlyphSubstituting (const juce_wchar character) throw();
@@ -10388,7 +10388,7 @@ public:
 
 	Font() throw();
 
-	const Font& operator= (const Font& other) throw();
+	Font& operator= (const Font& other) throw();
 
 	bool operator== (const Font& other) const throw();
 	bool operator!= (const Font& other) const throw();
@@ -10522,7 +10522,7 @@ public:
 
 	PathStrokeType (const PathStrokeType& other) throw();
 
-	const PathStrokeType& operator= (const PathStrokeType& other) throw();
+	PathStrokeType& operator= (const PathStrokeType& other) throw();
 
 	~PathStrokeType() throw();
 
@@ -10581,7 +10581,7 @@ public:
 	Line (const Point<float>& start,
 		  const Point<float>& end) throw();
 
-	const Line& operator= (const Line& other) throw();
+	Line& operator= (const Line& other) throw();
 
 	~Line() throw();
 
@@ -11152,7 +11152,7 @@ public:
 
 	~Colour() throw();
 
-	const Colour& operator= (const Colour& other) throw();
+	Colour& operator= (const Colour& other) throw();
 
 	bool operator== (const Colour& other) const throw();
 	bool operator!= (const Colour& other) const throw();
@@ -11379,7 +11379,7 @@ public:
 
 	FillType (const FillType& other) throw();
 
-	const FillType& operator= (const FillType& other) throw();
+	FillType& operator= (const FillType& other) throw();
 
 	~FillType() throw();
 
@@ -11426,7 +11426,7 @@ public:
 
 	RectanglePlacement (const RectanglePlacement& other) throw();
 
-	const RectanglePlacement& operator= (const RectanglePlacement& other) throw();
+	RectanglePlacement& operator= (const RectanglePlacement& other) throw();
 
 	enum
 	{
@@ -11751,8 +11751,8 @@ private:
 	bool saveStatePending;
 	void saveStateIfPending() throw();
 
-	const Graphics& operator= (const Graphics& other);
 	Graphics (const Graphics&);
+	Graphics& operator= (const Graphics& other);
 };
 
 #endif   // __JUCE_GRAPHICS_JUCEHEADER__
@@ -11787,7 +11787,7 @@ public:
 
 	RectangleList (const Rectangle<int>& rect) throw();
 
-	const RectangleList& operator= (const RectangleList& other) throw();
+	RectangleList& operator= (const RectangleList& other) throw();
 
 	~RectangleList() throw();
 
@@ -11855,7 +11855,7 @@ public:
 		int index;
 
 		Iterator (const Iterator&);
-		const Iterator& operator= (const Iterator&);
+		Iterator& operator= (const Iterator&);
 	};
 
 	juce_UseDebuggingNewOperator
@@ -12148,7 +12148,7 @@ private:
 	void setLastDragDropTarget (Component* comp);
 
 	ComponentPeer (const ComponentPeer&);
-	const ComponentPeer& operator= (const ComponentPeer&);
+	ComponentPeer& operator= (const ComponentPeer&);
 };
 
 #endif   // __JUCE_COMPONENTPEER_JUCEHEADER__
@@ -12641,7 +12641,7 @@ private:
 	// this one to avoid compiler warnings.
 	Component (const Component&);
 
-	const Component& operator= (const Component&);
+	Component& operator= (const Component&);
 
 	// (dummy method to cause a deliberate compile error - if you hit this, you need to update your
 	// subclass to use the new parameters to keyStateChanged)
@@ -12811,7 +12811,7 @@ private:
 		ApplicationCommandTarget* const owner;
 
 		CommandTargetMessageInvoker (const CommandTargetMessageInvoker&);
-		const CommandTargetMessageInvoker& operator= (const CommandTargetMessageInvoker&);
+		CommandTargetMessageInvoker& operator= (const CommandTargetMessageInvoker&);
 	};
 
 	ScopedPointer <CommandTargetMessageInvoker> messageInvoker;
@@ -12820,7 +12820,7 @@ private:
 	bool tryToInvoke (const InvocationInfo& info, const bool async);
 
 	ApplicationCommandTarget (const ApplicationCommandTarget&);
-	const ApplicationCommandTarget& operator= (const ApplicationCommandTarget&);
+	ApplicationCommandTarget& operator= (const ApplicationCommandTarget&);
 };
 
 #endif   // __JUCE_APPLICATIONCOMMANDTARGET_JUCEHEADER__
@@ -12905,7 +12905,7 @@ private:
 	ScopedPointer<InterProcessLock> appLock;
 
 	JUCEApplication (const JUCEApplication&);
-	const JUCEApplication& operator= (const JUCEApplication&);
+	JUCEApplication& operator= (const JUCEApplication&);
 
 public:
 	bool initialiseApp (String& commandLine);
@@ -12951,7 +12951,7 @@ public:
 
 private:
 	DeletedAtShutdown (const DeletedAtShutdown&);
-	const DeletedAtShutdown& operator= (const DeletedAtShutdown&);
+	DeletedAtShutdown& operator= (const DeletedAtShutdown&);
 };
 
 #endif   // __JUCE_DELETEDATSHUTDOWN_JUCEHEADER__
@@ -12992,7 +12992,7 @@ private:
 	Timer* previous;
 	Timer* next;
 
-	const Timer& operator= (const Timer&);
+	Timer& operator= (const Timer&);
 };
 
 #endif   // __JUCE_TIMER_JUCEHEADER__
@@ -13110,7 +13110,7 @@ private:
 	void handleAsyncUpdate();
 
 	Desktop (const Desktop&);
-	const Desktop& operator= (const Desktop&);
+	Desktop& operator= (const Desktop&);
 };
 
 #endif   // __JUCE_DESKTOP_JUCEHEADER__
@@ -13278,7 +13278,7 @@ private:
 	void timerCallback();
 
 	PropertiesFile (const PropertiesFile&);
-	const PropertiesFile& operator= (const PropertiesFile&);
+	PropertiesFile& operator= (const PropertiesFile&);
 };
 
 #endif   // __JUCE_PROPERTIESFILE_JUCEHEADER__
@@ -13323,7 +13323,7 @@ private:
 	int commonSettingsAreReadOnly;
 
 	ApplicationProperties (const ApplicationProperties&);
-	const ApplicationProperties& operator= (const ApplicationProperties&);
+	ApplicationProperties& operator= (const ApplicationProperties&);
 
 	void openFiles() throw();
 };
@@ -13408,7 +13408,7 @@ private:
 	String formatName;
 
 	AudioFormatReader (const AudioFormatReader&);
-	const AudioFormatReader& operator= (const AudioFormatReader&);
+	AudioFormatReader& operator= (const AudioFormatReader&);
 };
 
 #endif   // __JUCE_AUDIOFORMATREADER_JUCEHEADER__
@@ -13445,7 +13445,7 @@ public:
 
 	AudioSampleBuffer (const AudioSampleBuffer& other) throw();
 
-	const AudioSampleBuffer& operator= (const AudioSampleBuffer& other) throw();
+	AudioSampleBuffer& operator= (const AudioSampleBuffer& other) throw();
 
 	virtual ~AudioSampleBuffer() throw();
 
@@ -13915,7 +13915,7 @@ private:
 #endif
 
 	AudioCDReader (const AudioCDReader&);
-	const AudioCDReader& operator= (const AudioCDReader&);
+	AudioCDReader& operator= (const AudioCDReader&);
 };
 
 #endif
@@ -14017,7 +14017,7 @@ private:
 	const bool deleteSourceWhenDeleted;
 
 	AudioSubsectionReader (const AudioSubsectionReader&);
-	const AudioSubsectionReader& operator= (const AudioSubsectionReader&);
+	AudioSubsectionReader& operator= (const AudioSubsectionReader&);
 };
 
 #endif   // __JUCE_AUDIOSUBSECTIONREADER_JUCEHEADER__
@@ -14405,7 +14405,7 @@ private:
 	void readBufferSection (int start, int length, AudioSampleBuffer& buffer, int startSample);
 
 	AudioFormatReaderSource (const AudioFormatReaderSource&);
-	const AudioFormatReaderSource& operator= (const AudioFormatReaderSource&);
+	AudioFormatReaderSource& operator= (const AudioFormatReaderSource&);
 };
 
 #endif   // __JUCE_AUDIOFORMATREADERSOURCE_JUCEHEADER__
@@ -14552,7 +14552,7 @@ private:
 	float lastGain, gain;
 
 	AudioSourcePlayer (const AudioSourcePlayer&);
-	const AudioSourcePlayer& operator= (const AudioSourcePlayer&);
+	AudioSourcePlayer& operator= (const AudioSourcePlayer&);
 };
 
 #endif   // __JUCE_AUDIOSOURCEPLAYER_JUCEHEADER__
@@ -14613,7 +14613,7 @@ private:
 	void readBufferSection (int start, int length, int bufferOffset);
 
 	BufferingAudioSource (const BufferingAudioSource&);
-	const BufferingAudioSource& operator= (const BufferingAudioSource&);
+	BufferingAudioSource& operator= (const BufferingAudioSource&);
 };
 
 #endif   // __JUCE_BUFFERINGAUDIOSOURCE_JUCEHEADER__
@@ -14667,7 +14667,7 @@ private:
 	void applyFilter (float* samples, int num, FilterState& fs);
 
 	ResamplingAudioSource (const ResamplingAudioSource&);
-	const ResamplingAudioSource& operator= (const ResamplingAudioSource&);
+	ResamplingAudioSource& operator= (const ResamplingAudioSource&);
 };
 
 #endif   // __JUCE_RESAMPLINGAUDIOSOURCE_JUCEHEADER__
@@ -14733,7 +14733,7 @@ private:
 	bool isPrepared, inputStreamEOF;
 
 	AudioTransportSource (const AudioTransportSource&);
-	const AudioTransportSource& operator= (const AudioTransportSource&);
+	AudioTransportSource& operator= (const AudioTransportSource&);
 };
 
 #endif   // __JUCE_AUDIOTRANSPORTSOURCE_JUCEHEADER__
@@ -14796,7 +14796,7 @@ private:
 	CriticalSection lock;
 
 	ChannelRemappingAudioSource (const ChannelRemappingAudioSource&);
-	const ChannelRemappingAudioSource& operator= (const ChannelRemappingAudioSource&);
+	ChannelRemappingAudioSource& operator= (const ChannelRemappingAudioSource&);
 };
 
 #endif   // __JUCE_CHANNELREMAPPINGAUDIOSOURCE_JUCEHEADER__
@@ -14870,7 +14870,7 @@ protected:
 	float x1, x2, y1, y2;
 
 	// (use the copyCoefficientsFrom() method instead of this operator)
-	const IIRFilter& operator= (const IIRFilter&);
+	IIRFilter& operator= (const IIRFilter&);
 };
 
 #endif   // __JUCE_IIRFILTER_JUCEHEADER__
@@ -14900,7 +14900,7 @@ private:
 	OwnedArray <IIRFilter> iirFilters;
 
 	IIRFilterAudioSource (const IIRFilterAudioSource&);
-	const IIRFilterAudioSource& operator= (const IIRFilterAudioSource&);
+	IIRFilterAudioSource& operator= (const IIRFilterAudioSource&);
 };
 
 #endif   // __JUCE_IIRFILTERAUDIOSOURCE_JUCEHEADER__
@@ -14948,7 +14948,7 @@ private:
 	int bufferSizeExpected;
 
 	MixerAudioSource (const MixerAudioSource&);
-	const MixerAudioSource& operator= (const MixerAudioSource&);
+	MixerAudioSource& operator= (const MixerAudioSource&);
 };
 
 #endif   // __JUCE_MIXERAUDIOSOURCE_JUCEHEADER__
@@ -14995,7 +14995,7 @@ private:
 	float amplitude;
 
 	ToneGeneratorAudioSource (const ToneGeneratorAudioSource&);
-	const ToneGeneratorAudioSource& operator= (const ToneGeneratorAudioSource&);
+	ToneGeneratorAudioSource& operator= (const ToneGeneratorAudioSource&);
 };
 
 #endif   // __JUCE_TONEGENERATORAUDIOSOURCE_JUCEHEADER__
@@ -15053,7 +15053,7 @@ private:
 	String typeName;
 
 	AudioIODeviceType (const AudioIODeviceType&);
-	const AudioIODeviceType& operator= (const AudioIODeviceType&);
+	AudioIODeviceType& operator= (const AudioIODeviceType&);
 };
 
 #endif   // __JUCE_AUDIOIODEVICETYPE_JUCEHEADER__
@@ -15102,7 +15102,7 @@ public:
 
 	~MidiMessage() throw();
 
-	const MidiMessage& operator= (const MidiMessage& other) throw();
+	MidiMessage& operator= (const MidiMessage& other) throw();
 
 	uint8* getRawData() const throw()			   { return data; }
 
@@ -15448,7 +15448,7 @@ public:
 
 	MidiBuffer (const MidiBuffer& other) throw();
 
-	const MidiBuffer& operator= (const MidiBuffer& other) throw();
+	MidiBuffer& operator= (const MidiBuffer& other) throw();
 
 	~MidiBuffer() throw();
 
@@ -15503,7 +15503,7 @@ public:
 		const uint8* data;
 
 		Iterator (const Iterator&);
-		const Iterator& operator= (const Iterator&);
+		Iterator& operator= (const Iterator&);
 	};
 
 	juce_UseDebuggingNewOperator
@@ -15616,7 +15616,7 @@ private:
 	const uint32 componentUID;
 
 	ComponentDeletionWatcher (const ComponentDeletionWatcher&);
-	const ComponentDeletionWatcher& operator= (const ComponentDeletionWatcher&);
+	ComponentDeletionWatcher& operator= (const ComponentDeletionWatcher&);
 };
 
 #endif   // __JUCE_COMPONENTDELETIONWATCHER_JUCEHEADER__
@@ -15719,7 +15719,7 @@ private:
 	void hide();
 
 	TooltipWindow (const TooltipWindow&);
-	const TooltipWindow& operator= (const TooltipWindow&);
+	TooltipWindow& operator= (const TooltipWindow&);
 };
 
 #endif   // __JUCE_TOOLTIPWINDOW_JUCEHEADER__
@@ -15905,7 +15905,7 @@ private:
 	void sendStateMessage();
 
 	Button (const Button&);
-	const Button& operator= (const Button&);
+	Button& operator= (const Button&);
 };
 
 #endif   // __JUCE_BUTTON_JUCEHEADER__
@@ -16011,7 +16011,7 @@ private:
 	void timerCallback();
 
 	ScrollBar (const ScrollBar&);
-	const ScrollBar& operator= (const ScrollBar&);
+	ScrollBar& operator= (const ScrollBar&);
 };
 
 #endif   // __JUCE_SCROLLBAR_JUCEHEADER__
@@ -16094,7 +16094,7 @@ private:
 
 	void updateVisibleRegion();
 	Viewport (const Viewport&);
-	const Viewport& operator= (const Viewport&);
+	Viewport& operator= (const Viewport&);
 };
 
 #endif   // __JUCE_VIEWPORT_JUCEHEADER__
@@ -16117,7 +16117,7 @@ public:
 
 	~PopupMenu();
 
-	const PopupMenu& operator= (const PopupMenu& other);
+	PopupMenu& operator= (const PopupMenu& other);
 
 	void clear();
 
@@ -16226,7 +16226,7 @@ public:
 		int index;
 
 		MenuItemIterator (const MenuItemIterator&);
-		const MenuItemIterator& operator= (const MenuItemIterator&);
+		MenuItemIterator& operator= (const MenuItemIterator&);
 	};
 
 	juce_UseDebuggingNewOperator
@@ -16570,7 +16570,7 @@ private:
 	void repaintText (const Range<int>& range);
 
 	TextEditor (const TextEditor&);
-	const TextEditor& operator= (const TextEditor&);
+	TextEditor& operator= (const TextEditor&);
 };
 
 #endif   // __JUCE_TEXTEDITOR_JUCEHEADER__
@@ -16712,7 +16712,7 @@ private:
 	void callChangeListeners();
 
 	Label (const Label&);
-	const Label& operator= (const Label&);
+	Label& operator= (const Label&);
 };
 
 #endif   // __JUCE_LABEL_JUCEHEADER__
@@ -16857,7 +16857,7 @@ private:
 	ItemInfo* getItemForIndex (const int index) const throw();
 
 	ComboBox (const ComboBox&);
-	const ComboBox& operator= (const ComboBox&);
+	ComboBox& operator= (const ComboBox&);
 };
 
 #endif   // __JUCE_COMBOBOX_JUCEHEADER__
@@ -17032,7 +17032,7 @@ private:
 	AudioIODeviceType* findType (const String& inputName, const String& outputName);
 
 	AudioDeviceManager (const AudioDeviceManager&);
-	const AudioDeviceManager& operator= (const AudioDeviceManager&);
+	AudioDeviceManager& operator= (const AudioDeviceManager&);
 };
 
 #endif   // __JUCE_AUDIODEVICEMANAGER_JUCEHEADER__
@@ -17277,7 +17277,7 @@ private:
 	short timeFormat;
 
 	MidiFile (const MidiFile&);
-	const MidiFile& operator= (const MidiFile&);
+	MidiFile& operator= (const MidiFile&);
 
 	void readNextTrack (const char* data, int size);
 	void writeTrack (OutputStream& mainOut, const int trackNum);
@@ -17352,7 +17352,7 @@ private:
 	void noteOffInternal  (const int midiChannel, const int midiNoteNumber);
 
 	MidiKeyboardState (const MidiKeyboardState&);
-	const MidiKeyboardState& operator= (const MidiKeyboardState&);
+	MidiKeyboardState& operator= (const MidiKeyboardState&);
 };
 
 #endif   // __JUCE_MIDIKEYBOARDSTATE_JUCEHEADER__
@@ -17398,7 +17398,7 @@ private:
 	double sampleRate;
 
 	MidiMessageCollector (const MidiMessageCollector&);
-	const MidiMessageCollector& operator= (const MidiMessageCollector&);
+	MidiMessageCollector& operator= (const MidiMessageCollector&);
 };
 
 #endif   // __JUCE_MIDIMESSAGECOLLECTOR_JUCEHEADER__
@@ -17682,7 +17682,7 @@ private:
 #endif
 
 	AudioProcessor (const AudioProcessor&);
-	const AudioProcessor& operator= (const AudioProcessor&);
+	AudioProcessor& operator= (const AudioProcessor&);
 };
 
 #endif   // __JUCE_AUDIOPROCESSOR_JUCEHEADER__
@@ -17699,7 +17699,7 @@ public:
 
 	PluginDescription() throw();
 	PluginDescription (const PluginDescription& other) throw();
-	const PluginDescription& operator= (const PluginDescription& other) throw();
+	PluginDescription& operator= (const PluginDescription& other) throw();
 	~PluginDescription() throw();
 
 	String name;
@@ -17752,7 +17752,7 @@ protected:
 	AudioPluginInstance();
 
 	AudioPluginInstance (const AudioPluginInstance&);
-	const AudioPluginInstance& operator= (const AudioPluginInstance&);
+	AudioPluginInstance& operator= (const AudioPluginInstance&);
 };
 
 #endif   // __JUCE_AUDIOPLUGININSTANCE_JUCEHEADER__
@@ -17790,7 +17790,7 @@ protected:
 	AudioPluginFormat() throw();
 
 	AudioPluginFormat (const AudioPluginFormat&);
-	const AudioPluginFormat& operator= (const AudioPluginFormat&);
+	AudioPluginFormat& operator= (const AudioPluginFormat&);
 };
 
 #endif   // __JUCE_AUDIOPLUGINFORMAT_JUCEHEADER__
@@ -17818,7 +17818,7 @@ public:
 
 private:
 	AudioUnitPluginFormat (const AudioUnitPluginFormat&);
-	const AudioUnitPluginFormat& operator= (const AudioUnitPluginFormat&);
+	AudioUnitPluginFormat& operator= (const AudioUnitPluginFormat&);
 };
 
 #endif
@@ -18090,7 +18090,7 @@ public:
 
 private:
 	VSTPluginFormat (const VSTPluginFormat&);
-	const VSTPluginFormat& operator= (const VSTPluginFormat&);
+	VSTPluginFormat& operator= (const VSTPluginFormat&);
 
 	void recursiveFileSearch (StringArray& results, const File& dir, const bool recursive);
 };
@@ -18139,7 +18139,7 @@ private:
 	OwnedArray <AudioPluginFormat> formats;
 
 	AudioPluginFormatManager (const AudioPluginFormatManager&);
-	const AudioPluginFormatManager& operator= (const AudioPluginFormatManager&);
+	AudioPluginFormatManager& operator= (const AudioPluginFormatManager&);
 };
 
 #endif   // __JUCE_AUDIOPLUGINFORMATMANAGER_JUCEHEADER__
@@ -18214,7 +18214,7 @@ private:
 	OwnedArray <PluginDescription> types;
 
 	KnownPluginList (const KnownPluginList&);
-	const KnownPluginList& operator= (const KnownPluginList&);
+	KnownPluginList& operator= (const KnownPluginList&);
 };
 
 #endif   // __JUCE_KNOWNPLUGINLIST_JUCEHEADER__
@@ -18266,7 +18266,7 @@ private:
 	void setDeadMansPedalFile (const StringArray& newContents) throw();
 
 	PluginDirectoryScanner (const PluginDirectoryScanner&);
-	const PluginDirectoryScanner& operator= (const PluginDirectoryScanner&);
+	PluginDirectoryScanner& operator= (const PluginDirectoryScanner&);
 };
 
 #endif   // __JUCE_PLUGINDIRECTORYSCANNER_JUCEHEADER__
@@ -18459,7 +18459,7 @@ private:
 							bool isMouseClick);
 
 	ListBox (const ListBox&);
-	const ListBox& operator= (const ListBox&);
+	ListBox& operator= (const ListBox&);
 };
 
 #endif   // __JUCE_LISTBOX_JUCEHEADER__
@@ -18503,7 +18503,7 @@ protected:
 
 private:
 	TextButton (const TextButton&);
-	const TextButton& operator= (const TextButton&);
+	TextButton& operator= (const TextButton&);
 };
 
 #endif   // __JUCE_TEXTBUTTON_JUCEHEADER__
@@ -18546,7 +18546,7 @@ private:
 	void scanFor (AudioPluginFormat* format);
 
 	PluginListComponent (const PluginListComponent&);
-	const PluginListComponent& operator= (const PluginListComponent&);
+	PluginListComponent& operator= (const PluginListComponent&);
 };
 
 #endif   // __JUCE_PLUGINLISTCOMPONENT_JUCEHEADER__
@@ -18604,7 +18604,7 @@ public:
 		void unprepare();
 
 		Node (const Node&);
-		const Node& operator= (const Node&);
+		Node& operator= (const Node&);
 	};
 
 	struct JUCE_API  Connection
@@ -18735,7 +18735,7 @@ public:
 		AudioProcessorGraph* graph;
 
 		AudioGraphIOProcessor (const AudioGraphIOProcessor&);
-		const AudioGraphIOProcessor& operator= (const AudioGraphIOProcessor&);
+		AudioGraphIOProcessor& operator= (const AudioGraphIOProcessor&);
 	};
 
 	// AudioProcessor methods:
@@ -18799,7 +18799,7 @@ private:
 					  const int recursionCheck) const;
 
 	AudioProcessorGraph (const AudioProcessorGraph&);
-	const AudioProcessorGraph& operator= (const AudioProcessorGraph&);
+	AudioProcessorGraph& operator= (const AudioProcessorGraph&);
 };
 
 #endif   // __JUCE_AUDIOPROCESSORGRAPH_JUCEHEADER__
@@ -18857,7 +18857,7 @@ private:
 	MidiMessageCollector messageCollector;
 
 	AudioProcessorPlayer (const AudioProcessorPlayer&);
-	const AudioProcessorPlayer& operator= (const AudioProcessorPlayer&);
+	AudioProcessorPlayer& operator= (const AudioProcessorPlayer&);
 };
 
 #endif   // __JUCE_AUDIOPROCESSORPLAYER_JUCEHEADER__
@@ -18981,7 +18981,7 @@ private:
 	PropertyPanel* panel;
 
 	GenericAudioProcessorEditor (const GenericAudioProcessorEditor&);
-	const GenericAudioProcessorEditor& operator= (const GenericAudioProcessorEditor&);
+	GenericAudioProcessorEditor& operator= (const GenericAudioProcessorEditor&);
 };
 
 #endif   // __JUCE_GENERICAUDIOPROCESSOREDITOR_JUCEHEADER__
@@ -19155,7 +19155,7 @@ private:
 	bool shouldStealNotes;
 
 	Synthesiser (const Synthesiser&);
-	const Synthesiser& operator= (const Synthesiser&);
+	Synthesiser& operator= (const Synthesiser&);
 };
 
 #endif   // __JUCE_SYNTHESISER_JUCEHEADER__
@@ -19271,7 +19271,7 @@ private:
 	CriticalSection actionListenerLock_;
 
 	ActionListenerList (const ActionListenerList&);
-	const ActionListenerList& operator= (const ActionListenerList&);
+	ActionListenerList& operator= (const ActionListenerList&);
 };
 
 #endif   // __JUCE_ACTIONLISTENERLIST_JUCEHEADER__
@@ -19298,7 +19298,7 @@ private:
 	ActionListenerList actionListenerList;
 
 	ActionBroadcaster (const ActionBroadcaster&);
-	const ActionBroadcaster& operator= (const ActionBroadcaster&);
+	ActionBroadcaster& operator= (const ActionBroadcaster&);
 };
 
 #endif   // __JUCE_ACTIONBROADCASTER_JUCEHEADER__
@@ -19337,7 +19337,7 @@ public:
 
 private:
 	CallbackMessage (const CallbackMessage&);
-	const CallbackMessage& operator= (const CallbackMessage&);
+	CallbackMessage& operator= (const CallbackMessage&);
 };
 
 #endif   // __JUCE_CALLBACKMESSAGE_JUCEHEADER__
@@ -19426,7 +19426,7 @@ private:
 	void run();
 
 	InterprocessConnection (const InterprocessConnection&);
-	const InterprocessConnection& operator= (const InterprocessConnection&);
+	InterprocessConnection& operator= (const InterprocessConnection&);
 };
 
 #endif   // __JUCE_INTERPROCESSCONNECTION_JUCEHEADER__
@@ -19465,7 +19465,7 @@ private:
 	void run();
 
 	InterprocessConnectionServer (const InterprocessConnectionServer&);
-	const InterprocessConnectionServer& operator= (const InterprocessConnectionServer&);
+	InterprocessConnectionServer& operator= (const InterprocessConnectionServer&);
 };
 
 #endif   // __JUCE_INTERPROCESSCONNECTIONSERVER_JUCEHEADER__
@@ -19557,7 +19557,7 @@ private:
 	CriticalSection lockingLock;
 
 	MessageManager (const MessageManager&);
-	const MessageManager& operator= (const MessageManager&);
+	MessageManager& operator= (const MessageManager&);
 };
 
 class JUCE_API MessageManagerLock
@@ -19622,7 +19622,7 @@ private:
 	CriticalSection timerListLock;
 	OwnedArray <MultiTimerCallback> timers;
 
-	const MultiTimer& operator= (const MultiTimer&);
+	MultiTimer& operator= (const MultiTimer&);
 };
 
 #endif   // __JUCE_MULTITIMER_JUCEHEADER__
@@ -19696,7 +19696,7 @@ private:
 	int offset;
 
 	ArrowButton (const ArrowButton&);
-	const ArrowButton& operator= (const ArrowButton&);
+	ArrowButton& operator= (const ArrowButton&);
 };
 
 #endif   // __JUCE_ARROWBUTTON_JUCEHEADER__
@@ -19755,7 +19755,7 @@ public:
 		float opacity;
 
 	private:
-		const RenderingContext& operator= (const RenderingContext&);
+		RenderingContext& operator= (const RenderingContext&);
 	};
 
 	virtual void render (const RenderingContext& context) const = 0;
@@ -19784,7 +19784,7 @@ public:
 
 private:
 	Drawable (const Drawable&);
-	const Drawable& operator= (const Drawable&);
+	Drawable& operator= (const Drawable&);
 
 	String name;
 };
@@ -19850,7 +19850,7 @@ private:
 
 	void deleteImages();
 	DrawableButton (const DrawableButton&);
-	const DrawableButton& operator= (const DrawableButton&);
+	DrawableButton& operator= (const DrawableButton&);
 };
 
 #endif   // __JUCE_DRAWABLEBUTTON_JUCEHEADER__
@@ -19906,7 +19906,7 @@ private:
 	const Font getFontToUse() const;
 
 	HyperlinkButton (const HyperlinkButton&);
-	const HyperlinkButton& operator= (const HyperlinkButton&);
+	HyperlinkButton& operator= (const HyperlinkButton&);
 };
 
 #endif   // __JUCE_HYPERLINKBUTTON_JUCEHEADER__
@@ -19971,7 +19971,7 @@ private:
 	void deleteImages();
 
 	ImageButton (const ImageButton&);
-	const ImageButton& operator= (const ImageButton&);
+	ImageButton& operator= (const ImageButton&);
 };
 
 #endif   // __JUCE_IMAGEBUTTON_JUCEHEADER__
@@ -20023,7 +20023,7 @@ private:
 	float outlineWidth;
 
 	ShapeButton (const ShapeButton&);
-	const ShapeButton& operator= (const ShapeButton&);
+	ShapeButton& operator= (const ShapeButton&);
 };
 
 #endif   // __JUCE_SHAPEBUTTON_JUCEHEADER__
@@ -20067,7 +20067,7 @@ protected:
 private:
 
 	ToggleButton (const ToggleButton&);
-	const ToggleButton& operator= (const ToggleButton&);
+	ToggleButton& operator= (const ToggleButton&);
 };
 
 #endif   // __JUCE_TOGGLEBUTTON_JUCEHEADER__
@@ -20337,7 +20337,7 @@ private:
 	ToolbarItemComponent* getNextActiveComponent (int index, const int delta) const;
 
 	Toolbar (const Toolbar&);
-	const Toolbar& operator= (const Toolbar&);
+	Toolbar& operator= (const Toolbar&);
 };
 
 #endif   // __JUCE_TOOLBAR_JUCEHEADER__
@@ -20409,7 +20409,7 @@ private:
 	Rectangle<int> contentArea;
 
 	ToolbarItemComponent (const ToolbarItemComponent&);
-	const ToolbarItemComponent& operator= (const ToolbarItemComponent&);
+	ToolbarItemComponent& operator= (const ToolbarItemComponent&);
 };
 
 #endif   // __JUCE_TOOLBARITEMCOMPONENT_JUCEHEADER__
@@ -20437,7 +20437,7 @@ private:
 	ScopedPointer <Drawable> normalImage, toggledOnImage;
 
 	ToolbarButton (const ToolbarButton&);
-	const ToolbarButton& operator= (const ToolbarButton&);
+	ToolbarButton& operator= (const ToolbarButton&);
 };
 
 #endif   // __JUCE_TOOLBARBUTTON_JUCEHEADER__
@@ -20475,7 +20475,7 @@ public:
 
 		~Position() throw();
 
-		const Position& operator= (const Position& other) throw();
+		Position& operator= (const Position& other) throw();
 		bool operator== (const Position& other) const throw();
 		bool operator!= (const Position& other) const throw();
 
@@ -20570,7 +20570,7 @@ public:
 	public:
 		Iterator (CodeDocument* const document);
 		Iterator (const Iterator& other);
-		const Iterator& operator= (const Iterator& other) throw();
+		Iterator& operator= (const Iterator& other) throw();
 		~Iterator() throw();
 
 		juce_wchar nextChar();
@@ -20618,7 +20618,7 @@ private:
 	void checkLastLineStatus();
 
 	CodeDocument (const CodeDocument&);
-	const CodeDocument& operator= (const CodeDocument&);
+	CodeDocument& operator= (const CodeDocument&);
 };
 
 #endif   // __JUCE_CODEDOCUMENT_JUCEHEADER__
@@ -20819,7 +20819,7 @@ private:
 	int columnToIndex (int line, int column) const throw();
 
 	CodeEditorComponent (const CodeEditorComponent&);
-	const CodeEditorComponent& operator= (const CodeEditorComponent&);
+	CodeEditorComponent& operator= (const CodeEditorComponent&);
 };
 
 #endif   // __JUCE_CODEEDITORCOMPONENT_JUCEHEADER__
@@ -20924,7 +20924,7 @@ private:
 	void timerCallback();
 
 	ProgressBar (const ProgressBar&);
-	const ProgressBar& operator= (const ProgressBar&);
+	ProgressBar& operator= (const ProgressBar&);
 };
 
 #endif   // __JUCE_PROGRESSBAR_JUCEHEADER__
@@ -21240,7 +21240,7 @@ private:
 	bool incDecDragDirectionIsHorizontal() const;
 
 	Slider (const Slider&);
-	const Slider& operator= (const Slider&);
+	Slider& operator= (const Slider&);
 };
 
 #endif   // __JUCE_SLIDER_JUCEHEADER__
@@ -21418,7 +21418,7 @@ private:
 	void resizeColumnsToFit (int firstColumnIndex, int targetTotalWidth);
 
 	TableHeaderComponent (const TableHeaderComponent&);
-	const TableHeaderComponent operator= (const TableHeaderComponent&);
+	TableHeaderComponent operator= (const TableHeaderComponent&);
 };
 
 #endif   // __JUCE_TABLEHEADERCOMPONENT_JUCEHEADER__
@@ -21539,7 +21539,7 @@ private:
 	void updateColumnComponents() const;
 
 	TableListBox (const TableListBox&);
-	const TableListBox& operator= (const TableListBox&);
+	TableListBox& operator= (const TableListBox&);
 };
 
 #endif   // __JUCE_TABLELISTBOX_JUCEHEADER__
@@ -21621,7 +21621,7 @@ private:
 	void replaceComponent (ToolbarItemComponent* const comp);
 
 	ToolbarItemPalette (const ToolbarItemPalette&);
-	const ToolbarItemPalette& operator= (const ToolbarItemPalette&);
+	ToolbarItemPalette& operator= (const ToolbarItemPalette&);
 };
 
 #endif   // __JUCE_TOOLBARITEMPALETTE_JUCEHEADER__
@@ -21787,7 +21787,7 @@ private:
 	TreeViewItem* findItemFromIdentifierString (const String& identifierString);
 
 	TreeViewItem (const TreeViewItem&);
-	const TreeViewItem& operator= (const TreeViewItem&);
+	TreeViewItem& operator= (const TreeViewItem&);
 };
 
 class JUCE_API  TreeView  : public Component,
@@ -21903,7 +21903,7 @@ private:
 									 Component* sourceComponent) const throw();
 
 	TreeView (const TreeView&);
-	const TreeView& operator= (const TreeView&);
+	TreeView& operator= (const TreeView&);
 };
 
 #endif   // __JUCE_TREEVIEW_JUCEHEADER__
@@ -22028,7 +22028,7 @@ public:
 
 	private:
 		BitmapData (const BitmapData&);
-		const BitmapData& operator= (const BitmapData&);
+		BitmapData& operator= (const BitmapData&);
 	};
 
 	virtual void setPixelData (int destX, int destY, int destW, int destH,
@@ -22060,7 +22060,7 @@ protected:
 
 private:
 
-	const Image& operator= (const Image&);
+	Image& operator= (const Image&);
 };
 
 #endif   // __JUCE_IMAGE_JUCEHEADER__
@@ -22143,7 +22143,7 @@ private:
 				  const Time& creationTime, const bool isReadOnly);
 
 	DirectoryContentsList (const DirectoryContentsList&);
-	const DirectoryContentsList& operator= (const DirectoryContentsList&);
+	DirectoryContentsList& operator= (const DirectoryContentsList&);
 };
 
 #endif   // __JUCE_DIRECTORYCONTENTSLIST_JUCEHEADER__
@@ -22205,7 +22205,7 @@ protected:
 	SortedSet <void*> listeners;
 
 	DirectoryContentsDisplayComponent (const DirectoryContentsDisplayComponent&);
-	const DirectoryContentsDisplayComponent& operator= (const DirectoryContentsDisplayComponent&);
+	DirectoryContentsDisplayComponent& operator= (const DirectoryContentsDisplayComponent&);
 };
 
 #endif   // __JUCE_DIRECTORYCONTENTSDISPLAYCOMPONENT_JUCEHEADER__
@@ -22241,7 +22241,7 @@ public:
 
 private:
 	FilePreviewComponent (const FilePreviewComponent&);
-	const FilePreviewComponent& operator= (const FilePreviewComponent&);
+	FilePreviewComponent& operator= (const FilePreviewComponent&);
 };
 
 #endif   // __JUCE_FILEPREVIEWCOMPONENT_JUCEHEADER__
@@ -22346,7 +22346,7 @@ private:
 	bool isFileOrDirSuitable (const File& f) const;
 
 	FileBrowserComponent (const FileBrowserComponent&);
-	const FileBrowserComponent& operator= (const FileBrowserComponent&);
+	FileBrowserComponent& operator= (const FileBrowserComponent&);
 };
 
 #endif   // __JUCE_FILEBROWSERCOMPONENT_JUCEHEADER__
@@ -22482,7 +22482,7 @@ private:
 	void deleteShadowWindows();
 
 	DropShadower (const DropShadower&);
-	const DropShadower& operator= (const DropShadower&);
+	DropShadower& operator= (const DropShadower&);
 };
 
 #endif   // __JUCE_DROPSHADOWER_JUCEHEADER__
@@ -22536,7 +22536,7 @@ private:
 	void setWindowActive (const bool isNowActive) throw();
 
 	TopLevelWindow (const TopLevelWindow&);
-	const TopLevelWindow& operator= (const TopLevelWindow&);
+	TopLevelWindow& operator= (const TopLevelWindow&);
 };
 
 #endif   // __JUCE_TOPLEVELWINDOW_JUCEHEADER__
@@ -22628,7 +22628,7 @@ private:
 	double aspectRatio;
 
 	ComponentBoundsConstrainer (const ComponentBoundsConstrainer&);
-	const ComponentBoundsConstrainer& operator= (const ComponentBoundsConstrainer&);
+	ComponentBoundsConstrainer& operator= (const ComponentBoundsConstrainer&);
 };
 
 #endif   // __JUCE_COMPONENTBOUNDSCONSTRAINER_JUCEHEADER__
@@ -22697,7 +22697,7 @@ private:
 	void updateMouseZone (const MouseEvent& e) throw();
 
 	ResizableBorderComponent (const ResizableBorderComponent&);
-	const ResizableBorderComponent& operator= (const ResizableBorderComponent&);
+	ResizableBorderComponent& operator= (const ResizableBorderComponent&);
 };
 
 #endif   // __JUCE_RESIZABLEBORDERCOMPONENT_JUCEHEADER__
@@ -22733,7 +22733,7 @@ private:
 	int originalX, originalY, originalW, originalH;
 
 	ResizableCornerComponent (const ResizableCornerComponent&);
-	const ResizableCornerComponent& operator= (const ResizableCornerComponent&);
+	ResizableCornerComponent& operator= (const ResizableCornerComponent&);
 };
 
 #endif   // __JUCE_RESIZABLECORNERCOMPONENT_JUCEHEADER__
@@ -22839,7 +22839,7 @@ private:
 	void updateLastPos();
 
 	ResizableWindow (const ResizableWindow&);
-	const ResizableWindow& operator= (const ResizableWindow&);
+	ResizableWindow& operator= (const ResizableWindow&);
 
 	// (xxx remove these eventually)
 	// temporarily here to stop old code compiling, as the parameters for these methods have changed..
@@ -22901,7 +22901,7 @@ public:
 
 	GlyphArrangement (const GlyphArrangement& other);
 
-	const GlyphArrangement& operator= (const GlyphArrangement& other);
+	GlyphArrangement& operator= (const GlyphArrangement& other);
 
 	~GlyphArrangement();
 
@@ -23037,7 +23037,7 @@ private:
 	const bool warnAboutOverwritingExistingFiles;
 
 	FileChooserDialogBox (const FileChooserDialogBox&);
-	const FileChooserDialogBox& operator= (const FileChooserDialogBox&);
+	FileChooserDialogBox& operator= (const FileChooserDialogBox&);
 };
 
 #endif   // __JUCE_FILECHOOSERDIALOGBOX_JUCEHEADER__
@@ -23083,7 +23083,7 @@ public:
 
 private:
 	FileListComponent (const FileListComponent&);
-	const FileListComponent& operator= (const FileListComponent&);
+	FileListComponent& operator= (const FileListComponent&);
 
 	File lastDirectory;
 };
@@ -23181,7 +23181,7 @@ private:
 	void handleAsyncUpdate();
 
 	FilenameComponent (const FilenameComponent&);
-	const FilenameComponent& operator= (const FilenameComponent&);
+	FilenameComponent& operator= (const FilenameComponent&);
 };
 
 #endif   // __JUCE_FILENAMECOMPONENT_JUCEHEADER__
@@ -23252,7 +23252,7 @@ private:
 	void updateButtons() throw();
 
 	FileSearchPathListComponent (const FileSearchPathListComponent&);
-	const FileSearchPathListComponent& operator= (const FileSearchPathListComponent&);
+	FileSearchPathListComponent& operator= (const FileSearchPathListComponent&);
 };
 
 #endif   // __JUCE_FILESEARCHPATHLISTCOMPONENT_JUCEHEADER__
@@ -23291,7 +23291,7 @@ private:
 	String dragAndDropDescription;
 
 	FileTreeComponent (const FileTreeComponent&);
-	const FileTreeComponent& operator= (const FileTreeComponent&);
+	FileTreeComponent& operator= (const FileTreeComponent&);
 };
 
 #endif   // __JUCE_FILETREECOMPONENT_JUCEHEADER__
@@ -23328,7 +23328,7 @@ private:
 	void getThumbSize (int& w, int& h) const;
 
 	ImagePreviewComponent (const ImagePreviewComponent&);
-	const ImagePreviewComponent& operator= (const ImagePreviewComponent&);
+	ImagePreviewComponent& operator= (const ImagePreviewComponent&);
 };
 
 #endif   // __JUCE_IMAGEPREVIEWCOMPONENT_JUCEHEADER__
@@ -23476,7 +23476,7 @@ private:
 						const int millisecsSinceKeyPressed,
 						Component* const originatingComponent) const;
 
-	const KeyPressMappingSet& operator= (const KeyPressMappingSet&);
+	KeyPressMappingSet& operator= (const KeyPressMappingSet&);
 };
 
 #endif   // __JUCE_KEYPRESSMAPPINGSET_JUCEHEADER__
@@ -23533,7 +23533,7 @@ private:
 	void assignNewKey (const CommandID commandID, int index);
 
 	KeyMappingEditorComponent (const KeyMappingEditorComponent&);
-	const KeyMappingEditorComponent& operator= (const KeyMappingEditorComponent&);
+	KeyMappingEditorComponent& operator= (const KeyMappingEditorComponent&);
 };
 
 #endif   // __JUCE_KEYMAPPINGEDITORCOMPONENT_JUCEHEADER__
@@ -23597,7 +23597,7 @@ private:
 	void registerWithParentComps() throw();
 
 	ComponentMovementWatcher (const ComponentMovementWatcher&);
-	const ComponentMovementWatcher& operator= (const ComponentMovementWatcher&);
+	ComponentMovementWatcher& operator= (const ComponentMovementWatcher&);
 };
 
 #endif   // __JUCE_COMPONENTMOVEMENTWATCHER_JUCEHEADER__
@@ -23643,7 +23643,7 @@ private:
 	Justification justification;
 
 	GroupComponent (const GroupComponent&);
-	const GroupComponent& operator= (const GroupComponent&);
+	GroupComponent& operator= (const GroupComponent&);
 };
 
 #endif   // __JUCE_GROUPCOMPONENT_JUCEHEADER__
@@ -23697,7 +23697,7 @@ protected:
 
 private:
 	TabBarButton (const TabBarButton&);
-	const TabBarButton& operator= (const TabBarButton&);
+	TabBarButton& operator= (const TabBarButton&);
 };
 
 class JUCE_API  TabbedButtonBar  : public Component,
@@ -23790,7 +23790,7 @@ private:
 	Button* extraTabsButton;
 
 	TabbedButtonBar (const TabbedButtonBar&);
-	const TabbedButtonBar& operator= (const TabbedButtonBar&);
+	TabbedButtonBar& operator= (const TabbedButtonBar&);
 };
 
 #endif   // __JUCE_TABBEDBUTTONBAR_JUCEHEADER__
@@ -23886,7 +23886,7 @@ private:
 	void changeCallback (const int newCurrentTabIndex, const String& newTabName);
 
 	TabbedComponent (const TabbedComponent&);
-	const TabbedComponent& operator= (const TabbedComponent&);
+	TabbedComponent& operator= (const TabbedComponent&);
 };
 
 #endif   // __JUCE_TABBEDCOMPONENT_JUCEHEADER__
@@ -23964,7 +23964,7 @@ private:
 	SortedSet <void*> listeners;
 
 	MenuBarModel (const MenuBarModel&);
-	const MenuBarModel& operator= (const MenuBarModel&);
+	MenuBarModel& operator= (const MenuBarModel&);
 };
 
 #endif   // __JUCE_MENUBARMODEL_JUCEHEADER__
@@ -24018,7 +24018,7 @@ private:
 	void repaintMenuItem (int index);
 
 	MenuBarComponent (const MenuBarComponent&);
-	const MenuBarComponent& operator= (const MenuBarComponent&);
+	MenuBarComponent& operator= (const MenuBarComponent&);
 };
 
 #endif   // __JUCE_MENUBARCOMPONENT_JUCEHEADER__
@@ -24107,7 +24107,7 @@ private:
 	void repaintTitleBar();
 
 	DocumentWindow (const DocumentWindow&);
-	const DocumentWindow& operator= (const DocumentWindow&);
+	DocumentWindow& operator= (const DocumentWindow&);
 };
 
 #endif   // __JUCE_DOCUMENTWINDOW_JUCEHEADER__
@@ -24295,7 +24295,7 @@ private:
 	void updatePrefSizesToMatchCurrentPositions();
 
 	StretchableLayoutManager (const StretchableLayoutManager&);
-	const StretchableLayoutManager& operator= (const StretchableLayoutManager&);
+	StretchableLayoutManager& operator= (const StretchableLayoutManager&);
 };
 
 #endif   // __JUCE_STRETCHABLELAYOUTMANAGER_JUCEHEADER__
@@ -24333,7 +24333,7 @@ private:
 	bool isVertical;
 
 	StretchableLayoutResizerBar (const StretchableLayoutResizerBar&);
-	const StretchableLayoutResizerBar& operator= (const StretchableLayoutResizerBar&);
+	StretchableLayoutResizerBar& operator= (const StretchableLayoutResizerBar&);
 };
 
 #endif   // __JUCE_STRETCHABLELAYOUTRESIZERBAR_JUCEHEADER__
@@ -24380,7 +24380,7 @@ private:
 	OwnedArray <Item> items;
 
 	StretchableObjectResizer (const StretchableObjectResizer&);
-	const StretchableObjectResizer& operator= (const StretchableObjectResizer&);
+	StretchableObjectResizer& operator= (const StretchableObjectResizer&);
 };
 
 #endif   // __JUCE_STRETCHABLEOBJECTRESIZER_JUCEHEADER__
@@ -24427,7 +24427,7 @@ public:
 
 	~TextLayout() throw();
 
-	const TextLayout& operator= (const TextLayout& layoutToCopy) throw();
+	TextLayout& operator= (const TextLayout& layoutToCopy) throw();
 
 	void clear() throw();
 
@@ -24594,7 +24594,7 @@ private:
 
 	// disable copy constructor
 	AlertWindow (const AlertWindow&);
-	const AlertWindow& operator= (const AlertWindow&);
+	AlertWindow& operator= (const AlertWindow&);
 };
 
 #endif   // __JUCE_ALERTWINDOW_JUCEHEADER__
@@ -25073,7 +25073,7 @@ private:
 							   const bool flatOnBottom) throw();
 
 	LookAndFeel (const LookAndFeel&);
-	const LookAndFeel& operator= (const LookAndFeel&);
+	LookAndFeel& operator= (const LookAndFeel&);
 };
 
 #endif   // __JUCE_LOOKANDFEEL_JUCEHEADER__
@@ -25192,7 +25192,7 @@ private:
 	DropShadowEffect scrollbarShadow;
 
 	OldSchoolLookAndFeel (const OldSchoolLookAndFeel&);
-	const OldSchoolLookAndFeel& operator= (const OldSchoolLookAndFeel&);
+	OldSchoolLookAndFeel& operator= (const OldSchoolLookAndFeel&);
 };
 
 #endif   // __JUCE_OLDSCHOOLLOOKANDFEEL_JUCEHEADER__
@@ -25288,7 +25288,7 @@ public:
 	{
 	}
 
-	const SelectedItemSet& operator= (const SelectedItemSet& other)
+	SelectedItemSet& operator= (const SelectedItemSet& other)
 	{
 		if (selectedItems != other.selectedItems)
 		{
@@ -25617,7 +25617,7 @@ private:
 	void checkJustHoveredCallback();
 
 	MouseHoverDetector (const MouseHoverDetector&);
-	const MouseHoverDetector& operator= (const MouseHoverDetector&);
+	MouseHoverDetector& operator= (const MouseHoverDetector&);
 };
 
 #endif   // __JUCE_MOUSEHOVERDETECTOR_JUCEHEADER__
@@ -25670,7 +25670,7 @@ private:
 	void createButton();
 
 	BooleanPropertyComponent (const BooleanPropertyComponent&);
-	const BooleanPropertyComponent& operator= (const BooleanPropertyComponent&);
+	BooleanPropertyComponent& operator= (const BooleanPropertyComponent&);
 };
 
 #endif   // __JUCE_BOOLEANPROPERTYCOMPONENT_JUCEHEADER__
@@ -25707,7 +25707,7 @@ private:
 	TextButton* button;
 
 	ButtonPropertyComponent (const ButtonPropertyComponent&);
-	const ButtonPropertyComponent& operator= (const ButtonPropertyComponent&);
+	ButtonPropertyComponent& operator= (const ButtonPropertyComponent&);
 };
 
 #endif   // __JUCE_BUTTONPROPERTYCOMPONENT_JUCEHEADER__
@@ -25755,7 +25755,7 @@ private:
 	void createComboBox (const Array <int>* choiceIDs);
 
 	ChoicePropertyComponent (const ChoicePropertyComponent&);
-	const ChoicePropertyComponent& operator= (const ChoicePropertyComponent&);
+	ChoicePropertyComponent& operator= (const ChoicePropertyComponent&);
 };
 
 #endif   // __JUCE_CHOICEPROPERTYCOMPONENT_JUCEHEADER__
@@ -25812,7 +25812,7 @@ protected:
 	Slider* slider;
 
 	SliderPropertyComponent (const SliderPropertyComponent&);
-	const SliderPropertyComponent& operator= (const SliderPropertyComponent&);
+	SliderPropertyComponent& operator= (const SliderPropertyComponent&);
 };
 
 #endif   // __JUCE_SLIDERPROPERTYCOMPONENT_JUCEHEADER__
@@ -25857,7 +25857,7 @@ private:
 	void createEditor (const int maxNumChars, const bool isMultiLine);
 
 	TextPropertyComponent (const TextPropertyComponent&);
-	const TextPropertyComponent& operator= (const TextPropertyComponent&);
+	TextPropertyComponent& operator= (const TextPropertyComponent&);
 };
 
 #endif   // __JUCE_TEXTPROPERTYCOMPONENT_JUCEHEADER__
@@ -25968,7 +25968,7 @@ private:
 	Label* midiOutputLabel;
 
 	AudioDeviceSelectorComponent (const AudioDeviceSelectorComponent&);
-	const AudioDeviceSelectorComponent& operator= (const AudioDeviceSelectorComponent&);
+	AudioDeviceSelectorComponent& operator= (const AudioDeviceSelectorComponent&);
 };
 
 #endif   // __JUCE_AUDIODEVICESELECTORCOMPONENT_JUCEHEADER__
@@ -26027,7 +26027,7 @@ private:
 	DropShadowEffect shadow;
 
 	BubbleComponent (const BubbleComponent&);
-	const BubbleComponent& operator= (const BubbleComponent&);
+	BubbleComponent& operator= (const BubbleComponent&);
 };
 
 #endif   // __JUCE_BUBBLECOMPONENT_JUCEHEADER__
@@ -26079,7 +26079,7 @@ private:
 			   const bool deleteSelfAfterUse);
 
 	BubbleMessageComponent (const BubbleMessageComponent&);
-	const BubbleMessageComponent& operator= (const BubbleMessageComponent&);
+	BubbleMessageComponent& operator= (const BubbleMessageComponent&);
 };
 
 #endif   // __JUCE_BUBBLEMESSAGECOMPONENT_JUCEHEADER__
@@ -26154,7 +26154,7 @@ private:
 	void resized();
 
 	ColourSelector (const ColourSelector&);
-	const ColourSelector& operator= (const ColourSelector&);
+	ColourSelector& operator= (const ColourSelector&);
 
 	// this constructor is here temporarily to prevent old code compiling, because the parameters
 	// have changed - if you get an error here, update your code to use the new constructor instead..
@@ -26217,7 +26217,7 @@ private:
 	int scaleInt (const int n) const;
 
 	MagnifierComponent (const MagnifierComponent&);
-	const MagnifierComponent& operator= (const MagnifierComponent&);
+	MagnifierComponent& operator= (const MagnifierComponent&);
 };
 
 #endif   // __JUCE_MAGNIFIERCOMPONENT_JUCEHEADER__
@@ -26390,7 +26390,7 @@ private:
 	void repaintNote (const int midiNoteNumber);
 
 	MidiKeyboardComponent (const MidiKeyboardComponent&);
-	const MidiKeyboardComponent& operator= (const MidiKeyboardComponent&);
+	MidiKeyboardComponent& operator= (const MidiKeyboardComponent&);
 };
 
 #endif   // __JUCE_MIDIKEYBOARDCOMPONENT_JUCEHEADER__
@@ -26431,7 +26431,7 @@ private:
 	ScopedPointer <NSViewComponentInternal> info;
 
 	NSViewComponent (const NSViewComponent&);
-	const NSViewComponent& operator= (const NSViewComponent&);
+	NSViewComponent& operator= (const NSViewComponent&);
 };
 
 #endif
@@ -26575,7 +26575,7 @@ private:
 	void internalRepaint (int x, int y, int w, int h);
 
 	OpenGLComponent (const OpenGLComponent&);
-	const OpenGLComponent& operator= (const OpenGLComponent&);
+	OpenGLComponent& operator= (const OpenGLComponent&);
 };
 
 #endif
@@ -26630,7 +26630,7 @@ private:
 	int buttonSize;
 
 	PreferencesPanel (const PreferencesPanel&);
-	const PreferencesPanel& operator= (const PreferencesPanel&);
+	PreferencesPanel& operator= (const PreferencesPanel&);
 };
 
 #endif   // __JUCE_PREFERENCESPANEL_JUCEHEADER__
@@ -26733,7 +26733,7 @@ private:
 #endif
 
 	QuickTimeMovieComponent (const QuickTimeMovieComponent&);
-	const QuickTimeMovieComponent& operator= (const QuickTimeMovieComponent&);
+	QuickTimeMovieComponent& operator= (const QuickTimeMovieComponent&);
 };
 
 #endif
@@ -26771,7 +26771,7 @@ public:
 private:
 
 	SystemTrayIconComponent (const SystemTrayIconComponent&);
-	const SystemTrayIconComponent& operator= (const SystemTrayIconComponent&);
+	SystemTrayIconComponent& operator= (const SystemTrayIconComponent&);
 };
 
 #endif
@@ -26832,7 +26832,7 @@ private:
 	void checkWindowAssociation();
 
 	WebBrowserComponent (const WebBrowserComponent&);
-	const WebBrowserComponent& operator= (const WebBrowserComponent&);
+	WebBrowserComponent& operator= (const WebBrowserComponent&);
 };
 
 #endif
@@ -26881,7 +26881,7 @@ private:
 	bool escapeKeyTriggersCloseButton;
 
 	DialogWindow (const DialogWindow&);
-	const DialogWindow& operator= (const DialogWindow&);
+	DialogWindow& operator= (const DialogWindow&);
 };
 
 #endif   // __JUCE_DIALOGWINDOW_JUCEHEADER__
@@ -26935,7 +26935,7 @@ private:
 	int originalClickCounter;
 
 	SplashScreen (const SplashScreen&);
-	const SplashScreen& operator= (const SplashScreen&);
+	SplashScreen& operator= (const SplashScreen&);
 };
 
 #endif   // __JUCE_SPLASHSCREEN_JUCEHEADER__
@@ -26982,7 +26982,7 @@ private:
 	const int timeOutMsWhenCancelling;
 
 	ThreadWithProgressWindow (const ThreadWithProgressWindow&);
-	const ThreadWithProgressWindow& operator= (const ThreadWithProgressWindow&);
+	ThreadWithProgressWindow& operator= (const ThreadWithProgressWindow&);
 };
 
 #endif   // __JUCE_THREADWITHPROGRESSWINDOW_JUCEHEADER__
@@ -27148,7 +27148,7 @@ protected:
 		Font font;
 
 	private:
-		const SavedState& operator= (const SavedState&);
+		SavedState& operator= (const SavedState&);
 	};
 
 	OwnedArray <SavedState> stateStack;
@@ -27161,7 +27161,7 @@ protected:
 	void writeImage (const Image& im, const int sx, const int sy, const int maxW, const int maxH) const;
 
 	LowLevelGraphicsPostScriptRenderer (const LowLevelGraphicsPostScriptRenderer& other);
-	const LowLevelGraphicsPostScriptRenderer& operator= (const LowLevelGraphicsPostScriptRenderer&);
+	LowLevelGraphicsPostScriptRenderer& operator= (const LowLevelGraphicsPostScriptRenderer&);
 };
 
 #endif   // __JUCE_LOWLEVELGRAPHICSPOSTSCRIPTRENDERER_JUCEHEADER__
@@ -27231,7 +27231,7 @@ protected:
 	OwnedArray <LLGCSavedState> stateStack;
 
 	LowLevelGraphicsSoftwareRenderer (const LowLevelGraphicsSoftwareRenderer& other);
-	const LowLevelGraphicsSoftwareRenderer& operator= (const LowLevelGraphicsSoftwareRenderer&);
+	LowLevelGraphicsSoftwareRenderer& operator= (const LowLevelGraphicsSoftwareRenderer&);
 };
 
 #endif   // __JUCE_LOWLEVELGRAPHICSSOFTWARERENDERER_JUCEHEADER__
@@ -27291,7 +27291,7 @@ private:
 	OwnedArray <AffineTransform> transforms;
 
 	DrawableComposite (const DrawableComposite&);
-	const DrawableComposite& operator= (const DrawableComposite&);
+	DrawableComposite& operator= (const DrawableComposite&);
 };
 
 #endif   // __JUCE_DRAWABLECOMPOSITE_JUCEHEADER__
@@ -27346,7 +27346,7 @@ private:
 	Colour overlayColour;
 
 	DrawableImage (const DrawableImage&);
-	const DrawableImage& operator= (const DrawableImage&);
+	DrawableImage& operator= (const DrawableImage&);
 };
 
 #endif   // __JUCE_DRAWABLEIMAGE_JUCEHEADER__
@@ -27403,7 +27403,7 @@ private:
 	void updateOutline();
 
 	DrawablePath (const DrawablePath&);
-	const DrawablePath& operator= (const DrawablePath&);
+	DrawablePath& operator= (const DrawablePath&);
 };
 
 #endif   // __JUCE_DRAWABLEPATH_JUCEHEADER__
@@ -27449,7 +27449,7 @@ private:
 	Colour colour;
 
 	DrawableText (const DrawableText&);
-	const DrawableText& operator= (const DrawableText&);
+	DrawableText& operator= (const DrawableText&);
 };
 
 #endif   // __JUCE_DRAWABLETEXT_JUCEHEADER__
@@ -27592,7 +27592,7 @@ private:
 	int index, stackSize;
 
 	PathFlatteningIterator (const PathFlatteningIterator&);
-	const PathFlatteningIterator& operator= (const PathFlatteningIterator&);
+	PathFlatteningIterator& operator= (const PathFlatteningIterator&);
 };
 
 #endif   // __JUCE_PATHITERATOR_JUCEHEADER__
@@ -27622,7 +27622,7 @@ public:
 
 	PositionedRectangle (const PositionedRectangle& other) throw();
 
-	const PositionedRectangle& operator= (const PositionedRectangle& other) throw();
+	PositionedRectangle& operator= (const PositionedRectangle& other) throw();
 
 	~PositionedRectangle() throw();
 
@@ -27707,9 +27707,9 @@ public:
 
 	bool isPositionAbsolute() const throw();
 
-	const bool operator== (const PositionedRectangle& other) const throw();
+	bool operator== (const PositionedRectangle& other) const throw();
 
-	const bool operator!= (const PositionedRectangle& other) const throw();
+	bool operator!= (const PositionedRectangle& other) const throw();
 
 	juce_UseDebuggingNewOperator
 
@@ -27795,7 +27795,7 @@ private:
 	String name;
 
 	CameraDevice (const CameraDevice&);
-	const CameraDevice& operator= (const CameraDevice&);
+	CameraDevice& operator= (const CameraDevice&);
 };
 
 #endif
@@ -27849,7 +27849,7 @@ private:
 
 	ImageCache();
 	ImageCache (const ImageCache&);
-	const ImageCache& operator= (const ImageCache&);
+	ImageCache& operator= (const ImageCache&);
 	~ImageCache();
 
 	void timerCallback();
@@ -27905,7 +27905,7 @@ private:
 
 	// no reason not to implement these one day..
 	ImageConvolutionKernel (const ImageConvolutionKernel&);
-	const ImageConvolutionKernel& operator= (const ImageConvolutionKernel&);
+	ImageConvolutionKernel& operator= (const ImageConvolutionKernel&);
 };
 
 #endif   // __JUCE_IMAGECONVOLUTIONKERNEL_JUCEHEADER__
@@ -28065,7 +28065,7 @@ private:
 	String fileExtension, fileWildcard, openFileDialogTitle, saveFileDialogTitle;
 
 	FileBasedDocument (const FileBasedDocument&);
-	const FileBasedDocument& operator= (const FileBasedDocument&);
+	FileBasedDocument& operator= (const FileBasedDocument&);
 };
 
 #endif   // __JUCE_FILEBASEDDOCUMENT_JUCEHEADER__
diff --git a/src/application/juce_Application.h b/src/application/juce_Application.h
index 05d72d439a..dfe550b16c 100644
--- a/src/application/juce_Application.h
+++ b/src/application/juce_Application.h
@@ -292,7 +292,7 @@ private:
     ScopedPointer<InterProcessLock> appLock;
 
     JUCEApplication (const JUCEApplication&);
-    const JUCEApplication& operator= (const JUCEApplication&);
+    JUCEApplication& operator= (const JUCEApplication&);
 
 public:
     /** @internal */
diff --git a/src/application/juce_ApplicationCommandTarget.h b/src/application/juce_ApplicationCommandTarget.h
index 39c80ece60..4819fe5b1e 100644
--- a/src/application/juce_ApplicationCommandTarget.h
+++ b/src/application/juce_ApplicationCommandTarget.h
@@ -251,7 +251,7 @@ private:
         ApplicationCommandTarget* const owner;
 
         CommandTargetMessageInvoker (const CommandTargetMessageInvoker&);
-        const CommandTargetMessageInvoker& operator= (const CommandTargetMessageInvoker&);
+        CommandTargetMessageInvoker& operator= (const CommandTargetMessageInvoker&);
     };
 
     ScopedPointer <CommandTargetMessageInvoker> messageInvoker;
@@ -260,7 +260,7 @@ private:
     bool tryToInvoke (const InvocationInfo& info, const bool async);
 
     ApplicationCommandTarget (const ApplicationCommandTarget&);
-    const ApplicationCommandTarget& operator= (const ApplicationCommandTarget&);
+    ApplicationCommandTarget& operator= (const ApplicationCommandTarget&);
 };
 
 
diff --git a/src/application/juce_ApplicationProperties.h b/src/application/juce_ApplicationProperties.h
index ae625a7b2c..e44e95af23 100644
--- a/src/application/juce_ApplicationProperties.h
+++ b/src/application/juce_ApplicationProperties.h
@@ -156,7 +156,7 @@ private:
     int commonSettingsAreReadOnly;
 
     ApplicationProperties (const ApplicationProperties&);
-    const ApplicationProperties& operator= (const ApplicationProperties&);
+    ApplicationProperties& operator= (const ApplicationProperties&);
 
     void openFiles() throw();
 };
diff --git a/src/audio/audio_file_formats/juce_AiffAudioFormat.cpp b/src/audio/audio_file_formats/juce_AiffAudioFormat.cpp
index c1951d49b7..83fe3eba20 100644
--- a/src/audio/audio_file_formats/juce_AiffAudioFormat.cpp
+++ b/src/audio/audio_file_formats/juce_AiffAudioFormat.cpp
@@ -501,7 +501,7 @@ public:
 
 private:
     AiffAudioFormatReader (const AiffAudioFormatReader&);
-    const AiffAudioFormatReader& operator= (const AiffAudioFormatReader&);
+    AiffAudioFormatReader& operator= (const AiffAudioFormatReader&);
 
     static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 };
@@ -517,7 +517,7 @@ class AiffAudioFormatWriter  : public AudioFormatWriter
     static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 
     AiffAudioFormatWriter (const AiffAudioFormatWriter&);
-    const AiffAudioFormatWriter& operator= (const AiffAudioFormatWriter&);
+    AiffAudioFormatWriter& operator= (const AiffAudioFormatWriter&);
 
     void writeHeader()
     {
diff --git a/src/audio/audio_file_formats/juce_AudioCDReader.h b/src/audio/audio_file_formats/juce_AudioCDReader.h
index 915e071316..49542d6f23 100644
--- a/src/audio/audio_file_formats/juce_AudioCDReader.h
+++ b/src/audio/audio_file_formats/juce_AudioCDReader.h
@@ -178,7 +178,7 @@ private:
 #endif
 
     AudioCDReader (const AudioCDReader&);
-    const AudioCDReader& operator= (const AudioCDReader&);
+    AudioCDReader& operator= (const AudioCDReader&);
 };
 
 #endif
diff --git a/src/audio/audio_file_formats/juce_AudioFormatReader.h b/src/audio/audio_file_formats/juce_AudioFormatReader.h
index 8ea1d12f9f..5dcf2c232c 100644
--- a/src/audio/audio_file_formats/juce_AudioFormatReader.h
+++ b/src/audio/audio_file_formats/juce_AudioFormatReader.h
@@ -222,7 +222,7 @@ private:
     String formatName;
 
     AudioFormatReader (const AudioFormatReader&);
-    const AudioFormatReader& operator= (const AudioFormatReader&);
+    AudioFormatReader& operator= (const AudioFormatReader&);
 };
 
 
diff --git a/src/audio/audio_file_formats/juce_AudioSubsectionReader.h b/src/audio/audio_file_formats/juce_AudioSubsectionReader.h
index 60642bca0b..63bd525c61 100644
--- a/src/audio/audio_file_formats/juce_AudioSubsectionReader.h
+++ b/src/audio/audio_file_formats/juce_AudioSubsectionReader.h
@@ -87,7 +87,7 @@ private:
     const bool deleteSourceWhenDeleted;
 
     AudioSubsectionReader (const AudioSubsectionReader&);
-    const AudioSubsectionReader& operator= (const AudioSubsectionReader&);
+    AudioSubsectionReader& operator= (const AudioSubsectionReader&);
 };
 
 #endif   // __JUCE_AUDIOSUBSECTIONREADER_JUCEHEADER__
diff --git a/src/audio/audio_file_formats/juce_WavAudioFormat.cpp b/src/audio/audio_file_formats/juce_WavAudioFormat.cpp
index 055730066d..2a225d0138 100644
--- a/src/audio/audio_file_formats/juce_WavAudioFormat.cpp
+++ b/src/audio/audio_file_formats/juce_WavAudioFormat.cpp
@@ -264,7 +264,7 @@ class WavAudioFormatReader  : public AudioFormatReader
     static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 
     WavAudioFormatReader (const WavAudioFormatReader&);
-    const WavAudioFormatReader& operator= (const WavAudioFormatReader&);
+    WavAudioFormatReader& operator= (const WavAudioFormatReader&);
 
 public:
     int64 bwavChunkStart, bwavSize;
@@ -619,7 +619,7 @@ class WavAudioFormatWriter  : public AudioFormatWriter
     static inline int chunkName (const char* const name)   { return (int) ByteOrder::littleEndianInt (name); }
 
     WavAudioFormatWriter (const WavAudioFormatWriter&);
-    const WavAudioFormatWriter& operator= (const WavAudioFormatWriter&);
+    WavAudioFormatWriter& operator= (const WavAudioFormatWriter&);
 
     void writeHeader()
     {
diff --git a/src/audio/audio_sources/juce_AudioFormatReaderSource.h b/src/audio/audio_sources/juce_AudioFormatReaderSource.h
index b2b2defb0a..36e5d981a0 100644
--- a/src/audio/audio_sources/juce_AudioFormatReaderSource.h
+++ b/src/audio/audio_sources/juce_AudioFormatReaderSource.h
@@ -105,7 +105,7 @@ private:
     void readBufferSection (int start, int length, AudioSampleBuffer& buffer, int startSample);
 
     AudioFormatReaderSource (const AudioFormatReaderSource&);
-    const AudioFormatReaderSource& operator= (const AudioFormatReaderSource&);
+    AudioFormatReaderSource& operator= (const AudioFormatReaderSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_AudioSourcePlayer.h b/src/audio/audio_sources/juce_AudioSourcePlayer.h
index 81bca29a6c..377a989bfd 100644
--- a/src/audio/audio_sources/juce_AudioSourcePlayer.h
+++ b/src/audio/audio_sources/juce_AudioSourcePlayer.h
@@ -107,7 +107,7 @@ private:
     float lastGain, gain;
 
     AudioSourcePlayer (const AudioSourcePlayer&);
-    const AudioSourcePlayer& operator= (const AudioSourcePlayer&);
+    AudioSourcePlayer& operator= (const AudioSourcePlayer&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_AudioTransportSource.h b/src/audio/audio_sources/juce_AudioTransportSource.h
index 21c91f32f7..64f6bd2a5f 100644
--- a/src/audio/audio_sources/juce_AudioTransportSource.h
+++ b/src/audio/audio_sources/juce_AudioTransportSource.h
@@ -174,7 +174,7 @@ private:
     bool isPrepared, inputStreamEOF;
 
     AudioTransportSource (const AudioTransportSource&);
-    const AudioTransportSource& operator= (const AudioTransportSource&);
+    AudioTransportSource& operator= (const AudioTransportSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_BufferingAudioSource.cpp b/src/audio/audio_sources/juce_BufferingAudioSource.cpp
index 810229d033..f2aa94f818 100644
--- a/src/audio/audio_sources/juce_BufferingAudioSource.cpp
+++ b/src/audio/audio_sources/juce_BufferingAudioSource.cpp
@@ -115,7 +115,7 @@ private:
     }
 
     SharedBufferingAudioSourceThread (const SharedBufferingAudioSourceThread&);
-    const SharedBufferingAudioSourceThread& operator= (const SharedBufferingAudioSourceThread&);
+    SharedBufferingAudioSourceThread& operator= (const SharedBufferingAudioSourceThread&);
 };
 
 juce_ImplementSingleton (SharedBufferingAudioSourceThread)
diff --git a/src/audio/audio_sources/juce_BufferingAudioSource.h b/src/audio/audio_sources/juce_BufferingAudioSource.h
index 7e33c665a1..17bc1192b4 100644
--- a/src/audio/audio_sources/juce_BufferingAudioSource.h
+++ b/src/audio/audio_sources/juce_BufferingAudioSource.h
@@ -105,7 +105,7 @@ private:
     void readBufferSection (int start, int length, int bufferOffset);
 
     BufferingAudioSource (const BufferingAudioSource&);
-    const BufferingAudioSource& operator= (const BufferingAudioSource&);
+    BufferingAudioSource& operator= (const BufferingAudioSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_ChannelRemappingAudioSource.h b/src/audio/audio_sources/juce_ChannelRemappingAudioSource.h
index b2f750b8ed..87ac8e6cb8 100644
--- a/src/audio/audio_sources/juce_ChannelRemappingAudioSource.h
+++ b/src/audio/audio_sources/juce_ChannelRemappingAudioSource.h
@@ -149,7 +149,7 @@ private:
     CriticalSection lock;
 
     ChannelRemappingAudioSource (const ChannelRemappingAudioSource&);
-    const ChannelRemappingAudioSource& operator= (const ChannelRemappingAudioSource&);
+    ChannelRemappingAudioSource& operator= (const ChannelRemappingAudioSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_IIRFilterAudioSource.h b/src/audio/audio_sources/juce_IIRFilterAudioSource.h
index cd642d4f7d..b6af48ad10 100644
--- a/src/audio/audio_sources/juce_IIRFilterAudioSource.h
+++ b/src/audio/audio_sources/juce_IIRFilterAudioSource.h
@@ -72,7 +72,7 @@ private:
     OwnedArray <IIRFilter> iirFilters;
 
     IIRFilterAudioSource (const IIRFilterAudioSource&);
-    const IIRFilterAudioSource& operator= (const IIRFilterAudioSource&);
+    IIRFilterAudioSource& operator= (const IIRFilterAudioSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_MixerAudioSource.h b/src/audio/audio_sources/juce_MixerAudioSource.h
index dfd4ff582d..17f5b23a20 100644
--- a/src/audio/audio_sources/juce_MixerAudioSource.h
+++ b/src/audio/audio_sources/juce_MixerAudioSource.h
@@ -119,7 +119,7 @@ private:
     int bufferSizeExpected;
 
     MixerAudioSource (const MixerAudioSource&);
-    const MixerAudioSource& operator= (const MixerAudioSource&);
+    MixerAudioSource& operator= (const MixerAudioSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_ResamplingAudioSource.h b/src/audio/audio_sources/juce_ResamplingAudioSource.h
index 00b777b97d..75d5a57929 100644
--- a/src/audio/audio_sources/juce_ResamplingAudioSource.h
+++ b/src/audio/audio_sources/juce_ResamplingAudioSource.h
@@ -99,7 +99,7 @@ private:
     void applyFilter (float* samples, int num, FilterState& fs);
 
     ResamplingAudioSource (const ResamplingAudioSource&);
-    const ResamplingAudioSource& operator= (const ResamplingAudioSource&);
+    ResamplingAudioSource& operator= (const ResamplingAudioSource&);
 };
 
 
diff --git a/src/audio/audio_sources/juce_ToneGeneratorAudioSource.h b/src/audio/audio_sources/juce_ToneGeneratorAudioSource.h
index 94c45dfbc0..a0eda9d045 100644
--- a/src/audio/audio_sources/juce_ToneGeneratorAudioSource.h
+++ b/src/audio/audio_sources/juce_ToneGeneratorAudioSource.h
@@ -73,7 +73,7 @@ private:
     float amplitude;
 
     ToneGeneratorAudioSource (const ToneGeneratorAudioSource&);
-    const ToneGeneratorAudioSource& operator= (const ToneGeneratorAudioSource&);
+    ToneGeneratorAudioSource& operator= (const ToneGeneratorAudioSource&);
 };
 
 
diff --git a/src/audio/devices/juce_AudioDeviceManager.h b/src/audio/devices/juce_AudioDeviceManager.h
index 8edd489422..61cbeed89e 100644
--- a/src/audio/devices/juce_AudioDeviceManager.h
+++ b/src/audio/devices/juce_AudioDeviceManager.h
@@ -494,7 +494,7 @@ private:
     AudioIODeviceType* findType (const String& inputName, const String& outputName);
 
     AudioDeviceManager (const AudioDeviceManager&);
-    const AudioDeviceManager& operator= (const AudioDeviceManager&);
+    AudioDeviceManager& operator= (const AudioDeviceManager&);
 };
 
 #endif   // __JUCE_AUDIODEVICEMANAGER_JUCEHEADER__
diff --git a/src/audio/devices/juce_AudioIODeviceType.h b/src/audio/devices/juce_AudioIODeviceType.h
index 0debb1ed0d..86cc4ba495 100644
--- a/src/audio/devices/juce_AudioIODeviceType.h
+++ b/src/audio/devices/juce_AudioIODeviceType.h
@@ -138,7 +138,7 @@ private:
     String typeName;
 
     AudioIODeviceType (const AudioIODeviceType&);
-    const AudioIODeviceType& operator= (const AudioIODeviceType&);
+    AudioIODeviceType& operator= (const AudioIODeviceType&);
 };
 
 
diff --git a/src/audio/dsp/juce_AudioSampleBuffer.cpp b/src/audio/dsp/juce_AudioSampleBuffer.cpp
index 3941249fb4..e525fbc99e 100644
--- a/src/audio/dsp/juce_AudioSampleBuffer.cpp
+++ b/src/audio/dsp/juce_AudioSampleBuffer.cpp
@@ -122,7 +122,7 @@ void AudioSampleBuffer::allocateChannels (float** const dataToReferTo)
     channels [numChannels] = 0;
 }
 
-const AudioSampleBuffer& AudioSampleBuffer::operator= (const AudioSampleBuffer& other) throw()
+AudioSampleBuffer& AudioSampleBuffer::operator= (const AudioSampleBuffer& other) throw()
 {
     if (this != &other)
     {
diff --git a/src/audio/dsp/juce_AudioSampleBuffer.h b/src/audio/dsp/juce_AudioSampleBuffer.h
index 5b1920e207..f57b588143 100644
--- a/src/audio/dsp/juce_AudioSampleBuffer.h
+++ b/src/audio/dsp/juce_AudioSampleBuffer.h
@@ -82,7 +82,7 @@ public:
 
         This buffer's size will be changed to that of the other buffer.
     */
-    const AudioSampleBuffer& operator= (const AudioSampleBuffer& other) throw();
+    AudioSampleBuffer& operator= (const AudioSampleBuffer& other) throw();
 
     /** Destructor.
 
diff --git a/src/audio/dsp/juce_IIRFilter.h b/src/audio/dsp/juce_IIRFilter.h
index 03462ecd1b..334fb1857b 100644
--- a/src/audio/dsp/juce_IIRFilter.h
+++ b/src/audio/dsp/juce_IIRFilter.h
@@ -146,7 +146,7 @@ protected:
     float x1, x2, y1, y2;
 
     // (use the copyCoefficientsFrom() method instead of this operator)
-    const IIRFilter& operator= (const IIRFilter&);
+    IIRFilter& operator= (const IIRFilter&);
 };
 
 
diff --git a/src/audio/midi/juce_MidiBuffer.cpp b/src/audio/midi/juce_MidiBuffer.cpp
index 4b93aa4f28..74c2f343e2 100644
--- a/src/audio/midi/juce_MidiBuffer.cpp
+++ b/src/audio/midi/juce_MidiBuffer.cpp
@@ -48,7 +48,7 @@ MidiBuffer::MidiBuffer (const MidiBuffer& other) throw()
 {
 }
 
-const MidiBuffer& MidiBuffer::operator= (const MidiBuffer& other) throw()
+MidiBuffer& MidiBuffer::operator= (const MidiBuffer& other) throw()
 {
     bytesUsed = other.bytesUsed;
     data = other.data;
diff --git a/src/audio/midi/juce_MidiBuffer.h b/src/audio/midi/juce_MidiBuffer.h
index 223dae6a6f..0b230c016b 100644
--- a/src/audio/midi/juce_MidiBuffer.h
+++ b/src/audio/midi/juce_MidiBuffer.h
@@ -53,7 +53,7 @@ public:
     MidiBuffer (const MidiBuffer& other) throw();
 
     /** Makes a copy of another MidiBuffer. */
-    const MidiBuffer& operator= (const MidiBuffer& other) throw();
+    MidiBuffer& operator= (const MidiBuffer& other) throw();
 
     /** Destructor */
     ~MidiBuffer() throw();
@@ -217,7 +217,7 @@ public:
         const uint8* data;
 
         Iterator (const Iterator&);
-        const Iterator& operator= (const Iterator&);
+        Iterator& operator= (const Iterator&);
     };
 
 
diff --git a/src/audio/midi/juce_MidiFile.h b/src/audio/midi/juce_MidiFile.h
index 5bbab8a5c0..51ee16c977 100644
--- a/src/audio/midi/juce_MidiFile.h
+++ b/src/audio/midi/juce_MidiFile.h
@@ -186,7 +186,7 @@ private:
     short timeFormat;
 
     MidiFile (const MidiFile&);
-    const MidiFile& operator= (const MidiFile&);
+    MidiFile& operator= (const MidiFile&);
 
     void readNextTrack (const char* data, int size);
     void writeTrack (OutputStream& mainOut, const int trackNum);
diff --git a/src/audio/midi/juce_MidiKeyboardState.h b/src/audio/midi/juce_MidiKeyboardState.h
index 307820f997..cc1944d7ba 100644
--- a/src/audio/midi/juce_MidiKeyboardState.h
+++ b/src/audio/midi/juce_MidiKeyboardState.h
@@ -207,7 +207,7 @@ private:
     void noteOffInternal  (const int midiChannel, const int midiNoteNumber);
 
     MidiKeyboardState (const MidiKeyboardState&);
-    const MidiKeyboardState& operator= (const MidiKeyboardState&);
+    MidiKeyboardState& operator= (const MidiKeyboardState&);
 };
 
 
diff --git a/src/audio/midi/juce_MidiMessage.cpp b/src/audio/midi/juce_MidiMessage.cpp
index 5d38de20e7..ffc90d6550 100644
--- a/src/audio/midi/juce_MidiMessage.cpp
+++ b/src/audio/midi/juce_MidiMessage.cpp
@@ -252,7 +252,7 @@ MidiMessage::MidiMessage (const uint8* src,
     }
 }
 
-const MidiMessage& MidiMessage::operator= (const MidiMessage& other) throw()
+MidiMessage& MidiMessage::operator= (const MidiMessage& other) throw()
 {
     if (this != &other)
     {
diff --git a/src/audio/midi/juce_MidiMessage.h b/src/audio/midi/juce_MidiMessage.h
index a83793fe3c..4a79a48826 100644
--- a/src/audio/midi/juce_MidiMessage.h
+++ b/src/audio/midi/juce_MidiMessage.h
@@ -111,7 +111,7 @@ public:
     ~MidiMessage() throw();
 
     /** Copies this message from another one. */
-    const MidiMessage& operator= (const MidiMessage& other) throw();
+    MidiMessage& operator= (const MidiMessage& other) throw();
 
     //==============================================================================
     /** Returns a pointer to the raw midi data.
diff --git a/src/audio/midi/juce_MidiMessageCollector.h b/src/audio/midi/juce_MidiMessageCollector.h
index 6ec010726e..bf06045dd3 100644
--- a/src/audio/midi/juce_MidiMessageCollector.h
+++ b/src/audio/midi/juce_MidiMessageCollector.h
@@ -102,7 +102,7 @@ private:
     double sampleRate;
 
     MidiMessageCollector (const MidiMessageCollector&);
-    const MidiMessageCollector& operator= (const MidiMessageCollector&);
+    MidiMessageCollector& operator= (const MidiMessageCollector&);
 };
 
 
diff --git a/src/audio/plugins/formats/juce_AudioUnitPluginFormat.h b/src/audio/plugins/formats/juce_AudioUnitPluginFormat.h
index f8b6b69fc8..7848904033 100644
--- a/src/audio/plugins/formats/juce_AudioUnitPluginFormat.h
+++ b/src/audio/plugins/formats/juce_AudioUnitPluginFormat.h
@@ -56,7 +56,7 @@ public:
 
 private:
     AudioUnitPluginFormat (const AudioUnitPluginFormat&);
-    const AudioUnitPluginFormat& operator= (const AudioUnitPluginFormat&);
+    AudioUnitPluginFormat& operator= (const AudioUnitPluginFormat&);
 };
 
 #endif
diff --git a/src/audio/plugins/formats/juce_VSTPluginFormat.h b/src/audio/plugins/formats/juce_VSTPluginFormat.h
index 54993c1d90..00f0f3f489 100644
--- a/src/audio/plugins/formats/juce_VSTPluginFormat.h
+++ b/src/audio/plugins/formats/juce_VSTPluginFormat.h
@@ -57,7 +57,7 @@ public:
 
 private:
     VSTPluginFormat (const VSTPluginFormat&);
-    const VSTPluginFormat& operator= (const VSTPluginFormat&);
+    VSTPluginFormat& operator= (const VSTPluginFormat&);
 
     void recursiveFileSearch (StringArray& results, const File& dir, const bool recursive);
 };
diff --git a/src/audio/plugins/juce_AudioPluginFormat.h b/src/audio/plugins/juce_AudioPluginFormat.h
index 38cb9ba580..1e20c8eb27 100644
--- a/src/audio/plugins/juce_AudioPluginFormat.h
+++ b/src/audio/plugins/juce_AudioPluginFormat.h
@@ -113,7 +113,7 @@ protected:
     AudioPluginFormat() throw();
 
     AudioPluginFormat (const AudioPluginFormat&);
-    const AudioPluginFormat& operator= (const AudioPluginFormat&);
+    AudioPluginFormat& operator= (const AudioPluginFormat&);
 };
 
 
diff --git a/src/audio/plugins/juce_AudioPluginFormatManager.h b/src/audio/plugins/juce_AudioPluginFormatManager.h
index 6ad4aad547..b56300d23d 100644
--- a/src/audio/plugins/juce_AudioPluginFormatManager.h
+++ b/src/audio/plugins/juce_AudioPluginFormatManager.h
@@ -99,7 +99,7 @@ private:
     OwnedArray <AudioPluginFormat> formats;
 
     AudioPluginFormatManager (const AudioPluginFormatManager&);
-    const AudioPluginFormatManager& operator= (const AudioPluginFormatManager&);
+    AudioPluginFormatManager& operator= (const AudioPluginFormatManager&);
 };
 
 
diff --git a/src/audio/plugins/juce_AudioPluginInstance.h b/src/audio/plugins/juce_AudioPluginInstance.h
index 8c91c9119d..1156601404 100644
--- a/src/audio/plugins/juce_AudioPluginInstance.h
+++ b/src/audio/plugins/juce_AudioPluginInstance.h
@@ -63,7 +63,7 @@ protected:
     AudioPluginInstance();
 
     AudioPluginInstance (const AudioPluginInstance&);
-    const AudioPluginInstance& operator= (const AudioPluginInstance&);
+    AudioPluginInstance& operator= (const AudioPluginInstance&);
 };
 
 
diff --git a/src/audio/plugins/juce_KnownPluginList.h b/src/audio/plugins/juce_KnownPluginList.h
index 3f24797543..2a8371f5e1 100644
--- a/src/audio/plugins/juce_KnownPluginList.h
+++ b/src/audio/plugins/juce_KnownPluginList.h
@@ -164,7 +164,7 @@ private:
     OwnedArray <PluginDescription> types;
 
     KnownPluginList (const KnownPluginList&);
-    const KnownPluginList& operator= (const KnownPluginList&);
+    KnownPluginList& operator= (const KnownPluginList&);
 };
 
 
diff --git a/src/audio/plugins/juce_PluginDescription.cpp b/src/audio/plugins/juce_PluginDescription.cpp
index 6f6c3677eb..4a8c3c39b3 100644
--- a/src/audio/plugins/juce_PluginDescription.cpp
+++ b/src/audio/plugins/juce_PluginDescription.cpp
@@ -59,7 +59,7 @@ PluginDescription::PluginDescription (const PluginDescription& other) throw()
 {
 }
 
-const PluginDescription& PluginDescription::operator= (const PluginDescription& other) throw()
+PluginDescription& PluginDescription::operator= (const PluginDescription& other) throw()
 {
     name = other.name;
     pluginFormatName = other.pluginFormatName;
diff --git a/src/audio/plugins/juce_PluginDescription.h b/src/audio/plugins/juce_PluginDescription.h
index ffe0b2b03d..d9849aa466 100644
--- a/src/audio/plugins/juce_PluginDescription.h
+++ b/src/audio/plugins/juce_PluginDescription.h
@@ -47,7 +47,7 @@ public:
     //==============================================================================
     PluginDescription() throw();
     PluginDescription (const PluginDescription& other) throw();
-    const PluginDescription& operator= (const PluginDescription& other) throw();
+    PluginDescription& operator= (const PluginDescription& other) throw();
     ~PluginDescription() throw();
 
     //==============================================================================
diff --git a/src/audio/plugins/juce_PluginDirectoryScanner.h b/src/audio/plugins/juce_PluginDirectoryScanner.h
index f7c1f79c25..da7f9b3363 100644
--- a/src/audio/plugins/juce_PluginDirectoryScanner.h
+++ b/src/audio/plugins/juce_PluginDirectoryScanner.h
@@ -116,7 +116,7 @@ private:
     void setDeadMansPedalFile (const StringArray& newContents) throw();
 
     PluginDirectoryScanner (const PluginDirectoryScanner&);
-    const PluginDirectoryScanner& operator= (const PluginDirectoryScanner&);
+    PluginDirectoryScanner& operator= (const PluginDirectoryScanner&);
 };
 
 
diff --git a/src/audio/plugins/juce_PluginListComponent.h b/src/audio/plugins/juce_PluginListComponent.h
index 3a5143d0d0..96a065c5bc 100644
--- a/src/audio/plugins/juce_PluginListComponent.h
+++ b/src/audio/plugins/juce_PluginListComponent.h
@@ -94,7 +94,7 @@ private:
     void scanFor (AudioPluginFormat* format);
 
     PluginListComponent (const PluginListComponent&);
-    const PluginListComponent& operator= (const PluginListComponent&);
+    PluginListComponent& operator= (const PluginListComponent&);
 };
 
 
diff --git a/src/audio/processors/juce_AudioProcessor.h b/src/audio/processors/juce_AudioProcessor.h
index c83cb23554..2d9ef3e1c6 100644
--- a/src/audio/processors/juce_AudioProcessor.h
+++ b/src/audio/processors/juce_AudioProcessor.h
@@ -583,7 +583,7 @@ private:
 #endif
 
     AudioProcessor (const AudioProcessor&);
-    const AudioProcessor& operator= (const AudioProcessor&);
+    AudioProcessor& operator= (const AudioProcessor&);
 };
 
 
diff --git a/src/audio/processors/juce_AudioProcessorGraph.cpp b/src/audio/processors/juce_AudioProcessorGraph.cpp
index a115b0d62f..ec3a210d93 100644
--- a/src/audio/processors/juce_AudioProcessorGraph.cpp
+++ b/src/audio/processors/juce_AudioProcessorGraph.cpp
@@ -375,7 +375,7 @@ private:
     const int channelNum;
 
     ClearChannelOp (const ClearChannelOp&);
-    const ClearChannelOp& operator= (const ClearChannelOp&);
+    ClearChannelOp& operator= (const ClearChannelOp&);
 };
 
 //==============================================================================
@@ -398,7 +398,7 @@ private:
     const int srcChannelNum, dstChannelNum;
 
     CopyChannelOp (const CopyChannelOp&);
-    const CopyChannelOp& operator= (const CopyChannelOp&);
+    CopyChannelOp& operator= (const CopyChannelOp&);
 };
 
 //==============================================================================
@@ -421,7 +421,7 @@ private:
     const int srcChannelNum, dstChannelNum;
 
     AddChannelOp (const AddChannelOp&);
-    const AddChannelOp& operator= (const AddChannelOp&);
+    AddChannelOp& operator= (const AddChannelOp&);
 };
 
 //==============================================================================
@@ -443,7 +443,7 @@ private:
     const int bufferNum;
 
     ClearMidiBufferOp (const ClearMidiBufferOp&);
-    const ClearMidiBufferOp& operator= (const ClearMidiBufferOp&);
+    ClearMidiBufferOp& operator= (const ClearMidiBufferOp&);
 };
 
 //==============================================================================
@@ -466,7 +466,7 @@ private:
     const int srcBufferNum, dstBufferNum;
 
     CopyMidiBufferOp (const CopyMidiBufferOp&);
-    const CopyMidiBufferOp& operator= (const CopyMidiBufferOp&);
+    CopyMidiBufferOp& operator= (const CopyMidiBufferOp&);
 };
 
 //==============================================================================
@@ -490,7 +490,7 @@ private:
     const int srcBufferNum, dstBufferNum;
 
     AddMidiBufferOp (const AddMidiBufferOp&);
-    const AddMidiBufferOp& operator= (const AddMidiBufferOp&);
+    AddMidiBufferOp& operator= (const AddMidiBufferOp&);
 };
 
 //==============================================================================
@@ -537,7 +537,7 @@ private:
     int midiBufferToUse;
 
     ProcessBufferOp (const ProcessBufferOp&);
-    const ProcessBufferOp& operator= (const ProcessBufferOp&);
+    ProcessBufferOp& operator= (const ProcessBufferOp&);
 };
 
 //==============================================================================
@@ -957,7 +957,7 @@ private:
     }
 
     RenderingOpSequenceCalculator (const RenderingOpSequenceCalculator&);
-    const RenderingOpSequenceCalculator& operator= (const RenderingOpSequenceCalculator&);
+    RenderingOpSequenceCalculator& operator= (const RenderingOpSequenceCalculator&);
 };
 
 }
diff --git a/src/audio/processors/juce_AudioProcessorGraph.h b/src/audio/processors/juce_AudioProcessorGraph.h
index f9cbd0a77b..80592a6c55 100644
--- a/src/audio/processors/juce_AudioProcessorGraph.h
+++ b/src/audio/processors/juce_AudioProcessorGraph.h
@@ -112,7 +112,7 @@ public:
         void unprepare();
 
         Node (const Node&);
-        const Node& operator= (const Node&);
+        Node& operator= (const Node&);
     };
 
     //==============================================================================
@@ -363,7 +363,7 @@ public:
         AudioProcessorGraph* graph;
 
         AudioGraphIOProcessor (const AudioGraphIOProcessor&);
-        const AudioGraphIOProcessor& operator= (const AudioGraphIOProcessor&);
+        AudioGraphIOProcessor& operator= (const AudioGraphIOProcessor&);
     };
 
     //==============================================================================
@@ -430,7 +430,7 @@ private:
                       const int recursionCheck) const;
 
     AudioProcessorGraph (const AudioProcessorGraph&);
-    const AudioProcessorGraph& operator= (const AudioProcessorGraph&);
+    AudioProcessorGraph& operator= (const AudioProcessorGraph&);
 };
 
 
diff --git a/src/audio/processors/juce_AudioProcessorPlayer.h b/src/audio/processors/juce_AudioProcessorPlayer.h
index 1808b048e7..2937ab7e5d 100644
--- a/src/audio/processors/juce_AudioProcessorPlayer.h
+++ b/src/audio/processors/juce_AudioProcessorPlayer.h
@@ -106,7 +106,7 @@ private:
     MidiMessageCollector messageCollector;
 
     AudioProcessorPlayer (const AudioProcessorPlayer&);
-    const AudioProcessorPlayer& operator= (const AudioProcessorPlayer&);
+    AudioProcessorPlayer& operator= (const AudioProcessorPlayer&);
 };
 
 
diff --git a/src/audio/processors/juce_GenericAudioProcessorEditor.cpp b/src/audio/processors/juce_GenericAudioProcessorEditor.cpp
index db1e715279..e83f38003c 100644
--- a/src/audio/processors/juce_GenericAudioProcessorEditor.cpp
+++ b/src/audio/processors/juce_GenericAudioProcessorEditor.cpp
@@ -121,11 +121,11 @@ private:
         const int index;
 
         ParamSlider (const ParamSlider&);
-        const ParamSlider& operator= (const ParamSlider&);
+        ParamSlider& operator= (const ParamSlider&);
     };
 
     ProcessorParameterPropertyComp (const ProcessorParameterPropertyComp&);
-    const ProcessorParameterPropertyComp& operator= (const ProcessorParameterPropertyComp&);
+    ProcessorParameterPropertyComp& operator= (const ProcessorParameterPropertyComp&);
 };
 
 
diff --git a/src/audio/processors/juce_GenericAudioProcessorEditor.h b/src/audio/processors/juce_GenericAudioProcessorEditor.h
index 125d6aac06..0a874f4262 100644
--- a/src/audio/processors/juce_GenericAudioProcessorEditor.h
+++ b/src/audio/processors/juce_GenericAudioProcessorEditor.h
@@ -59,7 +59,7 @@ private:
     PropertyPanel* panel;
 
     GenericAudioProcessorEditor (const GenericAudioProcessorEditor&);
-    const GenericAudioProcessorEditor& operator= (const GenericAudioProcessorEditor&);
+    GenericAudioProcessorEditor& operator= (const GenericAudioProcessorEditor&);
 };
 
 
diff --git a/src/audio/synthesisers/juce_Synthesiser.h b/src/audio/synthesisers/juce_Synthesiser.h
index a917014899..aaf3f23452 100644
--- a/src/audio/synthesisers/juce_Synthesiser.h
+++ b/src/audio/synthesisers/juce_Synthesiser.h
@@ -477,7 +477,7 @@ private:
     bool shouldStealNotes;
 
     Synthesiser (const Synthesiser&);
-    const Synthesiser& operator= (const Synthesiser&);
+    Synthesiser& operator= (const Synthesiser&);
 };
 
 
diff --git a/src/containers/juce_HeapBlock.h b/src/containers/juce_HeapBlock.h
index 8216857584..6c289668dd 100644
--- a/src/containers/juce_HeapBlock.h
+++ b/src/containers/juce_HeapBlock.h
@@ -235,7 +235,7 @@ private:
     ElementType* data;
 
     HeapBlock (const HeapBlock&);
-    const HeapBlock& operator= (const HeapBlock&);
+    HeapBlock& operator= (const HeapBlock&);
 };
 
 
diff --git a/src/containers/juce_PropertySet.cpp b/src/containers/juce_PropertySet.cpp
index ee2ae6db72..c71692db91 100644
--- a/src/containers/juce_PropertySet.cpp
+++ b/src/containers/juce_PropertySet.cpp
@@ -48,7 +48,7 @@ PropertySet::PropertySet (const PropertySet& other) throw()
 {
 }
 
-const PropertySet& PropertySet::operator= (const PropertySet& other) throw()
+PropertySet& PropertySet::operator= (const PropertySet& other) throw()
 {
     properties = other.properties;
     fallbackProperties = other.fallbackProperties;
diff --git a/src/containers/juce_PropertySet.h b/src/containers/juce_PropertySet.h
index 466e273ab0..5176154948 100644
--- a/src/containers/juce_PropertySet.h
+++ b/src/containers/juce_PropertySet.h
@@ -57,7 +57,7 @@ public:
 
     /** Copies another PropertySet over this one.
     */
-    const PropertySet& operator= (const PropertySet& other) throw();
+    PropertySet& operator= (const PropertySet& other) throw();
 
     /** Destructor. */
     virtual ~PropertySet();
diff --git a/src/containers/juce_ReferenceCountedObject.h b/src/containers/juce_ReferenceCountedObject.h
index 6590a253d0..9b6a692188 100644
--- a/src/containers/juce_ReferenceCountedObject.h
+++ b/src/containers/juce_ReferenceCountedObject.h
@@ -163,7 +163,7 @@ public:
         The reference count of the old object is decremented, and it might be
         deleted if it hits zero. The new object's count is incremented.
     */
-    const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& other)
+    ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& other)
     {
         ReferenceCountedObjectClass* const newObject = other.referencedObject;
 
@@ -187,7 +187,7 @@ public:
         The reference count of the old object is decremented, and it might be
         deleted if it hits zero. The new object's count is incremented.
     */
-    const ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (ReferenceCountedObjectClass* const newObject)
+    ReferenceCountedObjectPtr<ReferenceCountedObjectClass>& operator= (ReferenceCountedObjectClass* const newObject)
     {
         if (referencedObject != newObject)
         {
diff --git a/src/containers/juce_ScopedPointer.h b/src/containers/juce_ScopedPointer.h
index 9ee1f8ccc6..eb9783ba58 100644
--- a/src/containers/juce_ScopedPointer.h
+++ b/src/containers/juce_ScopedPointer.h
@@ -86,7 +86,7 @@ public:
         If this ScopedPointer already points to an object, that object
         will first be deleted.
     */
-    const ScopedPointer& operator= (ScopedPointer& objectToTransferFrom)
+    ScopedPointer& operator= (ScopedPointer& objectToTransferFrom)
     {
         if (this != objectToTransferFrom.getAddress())
         {
@@ -110,7 +110,7 @@ public:
 
         The pointer that you pass is may be null.
     */
-    const ScopedPointer& operator= (ObjectType* const newObjectToTakePossessionOf)
+    ScopedPointer& operator= (ObjectType* const newObjectToTakePossessionOf)
     {
         if (object != newObjectToTakePossessionOf)
         {
diff --git a/src/containers/juce_Value.cpp b/src/containers/juce_Value.cpp
index 2884542c75..90fd94a4bc 100644
--- a/src/containers/juce_Value.cpp
+++ b/src/containers/juce_Value.cpp
@@ -96,7 +96,7 @@ private:
     var value;
 
     SimpleValueSource (const SimpleValueSource&);
-    const SimpleValueSource& operator= (const SimpleValueSource&);
+    SimpleValueSource& operator= (const SimpleValueSource&);
 };
 
 
@@ -122,7 +122,7 @@ Value::Value (const Value& other)
 {
 }
 
-const Value& Value::operator= (const Value& other)
+Value& Value::operator= (const Value& other)
 {
     value = other.value;
     return *this;
@@ -150,7 +150,7 @@ const String Value::toString() const
     return value->getValue().toString();
 }
 
-const Value& Value::operator= (const var& newValue)
+Value& Value::operator= (const var& newValue)
 {
     value->setValue (newValue);
     return *this;
diff --git a/src/containers/juce_Value.h b/src/containers/juce_Value.h
index f96c0d1cbb..a30d230b1f 100644
--- a/src/containers/juce_Value.h
+++ b/src/containers/juce_Value.h
@@ -98,7 +98,7 @@ public:
         If there are any listeners registered, they will be notified of the
         change asynchronously.
     */
-    const Value& operator= (const var& newValue);
+    Value& operator= (const var& newValue);
 
     /** Makes this object refer to the same underlying ValueSource as another one.
 
@@ -202,7 +202,7 @@ public:
         void handleAsyncUpdate();
 
         ValueSource (const ValueSource&);
-        const ValueSource& operator= (const ValueSource&);
+        ValueSource& operator= (const ValueSource&);
     };
 
 
@@ -223,7 +223,7 @@ private:
 
     // This is disallowed to avoid confusion about whether it should
     // do a by-value or by-reference copy.
-    const Value& operator= (const Value& other);
+    Value& operator= (const Value& other);
 };
 
 
diff --git a/src/containers/juce_ValueTree.cpp b/src/containers/juce_ValueTree.cpp
index 0063739b55..e689d86580 100644
--- a/src/containers/juce_ValueTree.cpp
+++ b/src/containers/juce_ValueTree.cpp
@@ -81,7 +81,7 @@ private:
     const bool isAddingNewProperty, isDeletingProperty;
 
     ValueTreeSetPropertyAction (const ValueTreeSetPropertyAction&);
-    const ValueTreeSetPropertyAction& operator= (const ValueTreeSetPropertyAction&);
+    ValueTreeSetPropertyAction& operator= (const ValueTreeSetPropertyAction&);
 };
 
 //==============================================================================
@@ -131,7 +131,7 @@ private:
     const bool isDeleting;
 
     ValueTreeChildChangeAction (const ValueTreeChildChangeAction&);
-    const ValueTreeChildChangeAction& operator= (const ValueTreeChildChangeAction&);
+    ValueTreeChildChangeAction& operator= (const ValueTreeChildChangeAction&);
 };
 
 
@@ -437,7 +437,7 @@ ValueTree::ValueTree (const ValueTree& other)
 {
 }
 
-const ValueTree& ValueTree::operator= (const ValueTree& other)
+ValueTree& ValueTree::operator= (const ValueTree& other)
 {
     if (listeners.size() > 0)
     {
@@ -579,7 +579,7 @@ private:
     const var::identifier property;
     UndoManager* const undoManager;
 
-    const ValueTreePropertyValueSource& operator= (const ValueTreePropertyValueSource&);
+    ValueTreePropertyValueSource& operator= (const ValueTreePropertyValueSource&);
 };
 
 Value ValueTree::getPropertyAsValue (const var::identifier& name, UndoManager* const undoManager) const
diff --git a/src/containers/juce_ValueTree.h b/src/containers/juce_ValueTree.h
index 4ad181b1e9..521382077e 100644
--- a/src/containers/juce_ValueTree.h
+++ b/src/containers/juce_ValueTree.h
@@ -82,7 +82,7 @@ public:
     ValueTree (const ValueTree& other);
 
     /** Makes this object reference another node. */
-    const ValueTree& operator= (const ValueTree& other);
+    ValueTree& operator= (const ValueTree& other);
 
     /** Destructor. */
     ~ValueTree();
@@ -417,7 +417,7 @@ private:
         juce_UseDebuggingNewOperator
 
     private:
-        const SharedObject& operator= (const SharedObject&);
+        SharedObject& operator= (const SharedObject&);
     };
 
     template <typename ElementComparator>
diff --git a/src/core/juce_FileLogger.h b/src/core/juce_FileLogger.h
index 8d477a9028..c8ef044f6d 100644
--- a/src/core/juce_FileLogger.h
+++ b/src/core/juce_FileLogger.h
@@ -105,7 +105,7 @@ private:
     void trimFileSize (int maxFileSizeBytes) const;
 
     FileLogger (const FileLogger&);
-    const FileLogger& operator= (const FileLogger&);
+    FileLogger& operator= (const FileLogger&);
 };
 
 
diff --git a/src/core/juce_PlatformUtilities.h b/src/core/juce_PlatformUtilities.h
index cda33d6e58..6674d5f5e3 100644
--- a/src/core/juce_PlatformUtilities.h
+++ b/src/core/juce_PlatformUtilities.h
@@ -213,7 +213,7 @@ private:
     void* pool;
 
     ScopedAutoReleasePool (const ScopedAutoReleasePool&);
-    const ScopedAutoReleasePool& operator= (const ScopedAutoReleasePool&);
+    ScopedAutoReleasePool& operator= (const ScopedAutoReleasePool&);
 };
 
 #endif
@@ -327,7 +327,7 @@ private:
     bool open (const bool openInExclusiveMode);
 
     AppleRemoteDevice (const AppleRemoteDevice&);
-    const AppleRemoteDevice& operator= (const AppleRemoteDevice&);
+    AppleRemoteDevice& operator= (const AppleRemoteDevice&);
 };
 
 #endif
diff --git a/src/core/juce_RelativeTime.cpp b/src/core/juce_RelativeTime.cpp
index ac7cec9544..7c26a7e3f6 100644
--- a/src/core/juce_RelativeTime.cpp
+++ b/src/core/juce_RelativeTime.cpp
@@ -178,7 +178,7 @@ const String RelativeTime::getDescription (const String& returnValueForZeroTime)
 }
 
 //==============================================================================
-const RelativeTime& RelativeTime::operator= (const RelativeTime& other) throw()
+RelativeTime& RelativeTime::operator= (const RelativeTime& other) throw()
 {
     seconds = other.seconds;
     return *this;
diff --git a/src/core/juce_RelativeTime.h b/src/core/juce_RelativeTime.h
index 40a0d5b4b0..d0287506a9 100644
--- a/src/core/juce_RelativeTime.h
+++ b/src/core/juce_RelativeTime.h
@@ -52,7 +52,7 @@ public:
     RelativeTime (const RelativeTime& other) throw();
 
     /** Copies another relative time. */
-    const RelativeTime& operator= (const RelativeTime& other) throw();
+    RelativeTime& operator= (const RelativeTime& other) throw();
 
     /** Destructor. */
     ~RelativeTime() throw();
diff --git a/src/core/juce_Time.cpp b/src/core/juce_Time.cpp
index 23e9c84921..1112027a48 100644
--- a/src/core/juce_Time.cpp
+++ b/src/core/juce_Time.cpp
@@ -173,7 +173,7 @@ Time::~Time() throw()
 {
 }
 
-const Time& Time::operator= (const Time& other) throw()
+Time& Time::operator= (const Time& other) throw()
 {
     millisSinceEpoch = other.millisSinceEpoch;
     return *this;
diff --git a/src/core/juce_Time.h b/src/core/juce_Time.h
index 7fc7bf3bba..2f19f7c9f1 100644
--- a/src/core/juce_Time.h
+++ b/src/core/juce_Time.h
@@ -93,7 +93,7 @@ public:
     ~Time() throw();
 
     /** Copies this time from another one. */
-    const Time& operator= (const Time& other) throw();
+    Time& operator= (const Time& other) throw();
 
     //==============================================================================
     /** Returns a Time object that is set to the current system time.
diff --git a/src/cryptography/juce_BlowFish.cpp b/src/cryptography/juce_BlowFish.cpp
index c787eeab41..7272c1bbb7 100644
--- a/src/cryptography/juce_BlowFish.cpp
+++ b/src/cryptography/juce_BlowFish.cpp
@@ -360,7 +360,7 @@ BlowFish::BlowFish (const BlowFish& other)
     operator= (other);
 }
 
-const BlowFish& BlowFish::operator= (const BlowFish& other)
+BlowFish& BlowFish::operator= (const BlowFish& other)
 {
     memcpy (p, other.p, sizeof (p));
 
diff --git a/src/cryptography/juce_BlowFish.h b/src/cryptography/juce_BlowFish.h
index eaa8d03641..293c2f256b 100644
--- a/src/cryptography/juce_BlowFish.h
+++ b/src/cryptography/juce_BlowFish.h
@@ -48,7 +48,7 @@ public:
     BlowFish (const BlowFish& other);
 
     /** Copies another blowfish object. */
-    const BlowFish& operator= (const BlowFish& other);
+    BlowFish& operator= (const BlowFish& other);
 
     /** Destructor. */
     ~BlowFish();
diff --git a/src/cryptography/juce_MD5.cpp b/src/cryptography/juce_MD5.cpp
index 34cf645bde..5273f393be 100644
--- a/src/cryptography/juce_MD5.cpp
+++ b/src/cryptography/juce_MD5.cpp
@@ -44,7 +44,7 @@ MD5::MD5 (const MD5& other)
     memcpy (result, other.result, sizeof (result));
 }
 
-const MD5& MD5::operator= (const MD5& other)
+MD5& MD5::operator= (const MD5& other)
 {
     memcpy (result, other.result, sizeof (result));
     return *this;
diff --git a/src/cryptography/juce_MD5.h b/src/cryptography/juce_MD5.h
index c4220eefc0..bf4424d156 100644
--- a/src/cryptography/juce_MD5.h
+++ b/src/cryptography/juce_MD5.h
@@ -51,7 +51,7 @@ public:
     MD5 (const MD5& other);
 
     /** Copies another MD5. */
-    const MD5& operator= (const MD5& other);
+    MD5& operator= (const MD5& other);
 
     //==============================================================================
     /** Creates a checksum for a block of binary data. */
diff --git a/src/events/juce_ActionBroadcaster.h b/src/events/juce_ActionBroadcaster.h
index b231c88b69..2648faf079 100644
--- a/src/events/juce_ActionBroadcaster.h
+++ b/src/events/juce_ActionBroadcaster.h
@@ -76,7 +76,7 @@ private:
     ActionListenerList actionListenerList;
 
     ActionBroadcaster (const ActionBroadcaster&);
-    const ActionBroadcaster& operator= (const ActionBroadcaster&);
+    ActionBroadcaster& operator= (const ActionBroadcaster&);
 };
 
 
diff --git a/src/events/juce_ActionListenerList.cpp b/src/events/juce_ActionListenerList.cpp
index 4e221e0882..8bbd0cca61 100644
--- a/src/events/juce_ActionListenerList.cpp
+++ b/src/events/juce_ActionListenerList.cpp
@@ -52,7 +52,7 @@ public:
 
 private:
     ActionMessage (const ActionMessage&);
-    const ActionMessage& operator= (const ActionMessage&);
+    ActionMessage& operator= (const ActionMessage&);
 };
 
 //==============================================================================
diff --git a/src/events/juce_ActionListenerList.h b/src/events/juce_ActionListenerList.h
index bbf49baceb..d32151ffe7 100644
--- a/src/events/juce_ActionListenerList.h
+++ b/src/events/juce_ActionListenerList.h
@@ -89,7 +89,7 @@ private:
     CriticalSection actionListenerLock_;
 
     ActionListenerList (const ActionListenerList&);
-    const ActionListenerList& operator= (const ActionListenerList&);
+    ActionListenerList& operator= (const ActionListenerList&);
 };
 
 
diff --git a/src/events/juce_AsyncUpdater.h b/src/events/juce_AsyncUpdater.h
index b7da432b5c..486d32f827 100644
--- a/src/events/juce_AsyncUpdater.h
+++ b/src/events/juce_AsyncUpdater.h
@@ -105,7 +105,7 @@ private:
 
     private:
         AsyncUpdaterInternal (const AsyncUpdaterInternal&);
-        const AsyncUpdaterInternal& operator= (const AsyncUpdaterInternal&);
+        AsyncUpdaterInternal& operator= (const AsyncUpdaterInternal&);
     };
 
     AsyncUpdaterInternal internalAsyncHandler;
diff --git a/src/events/juce_CallbackMessage.h b/src/events/juce_CallbackMessage.h
index 88c0f2bd8f..b2f88f0b69 100644
--- a/src/events/juce_CallbackMessage.h
+++ b/src/events/juce_CallbackMessage.h
@@ -75,7 +75,7 @@ public:
 
 private:
     CallbackMessage (const CallbackMessage&);
-    const CallbackMessage& operator= (const CallbackMessage&);
+    CallbackMessage& operator= (const CallbackMessage&);
 };
 
 
diff --git a/src/events/juce_ChangeBroadcaster.h b/src/events/juce_ChangeBroadcaster.h
index f8c577fc34..041aab7288 100644
--- a/src/events/juce_ChangeBroadcaster.h
+++ b/src/events/juce_ChangeBroadcaster.h
@@ -91,7 +91,7 @@ private:
     ChangeListenerList changeListenerList;
 
     ChangeBroadcaster (const ChangeBroadcaster&);
-    const ChangeBroadcaster& operator= (const ChangeBroadcaster&);
+    ChangeBroadcaster& operator= (const ChangeBroadcaster&);
 };
 
 
diff --git a/src/events/juce_ChangeListenerList.h b/src/events/juce_ChangeListenerList.h
index 737df5b793..c2245e216c 100644
--- a/src/events/juce_ChangeListenerList.h
+++ b/src/events/juce_ChangeListenerList.h
@@ -112,7 +112,7 @@ private:
     bool messagePending;
 
     ChangeListenerList (const ChangeListenerList&);
-    const ChangeListenerList& operator= (const ChangeListenerList&);
+    ChangeListenerList& operator= (const ChangeListenerList&);
 };
 
 
diff --git a/src/events/juce_InterprocessConnection.h b/src/events/juce_InterprocessConnection.h
index 62e47fdd52..cf9e273fff 100644
--- a/src/events/juce_InterprocessConnection.h
+++ b/src/events/juce_InterprocessConnection.h
@@ -210,7 +210,7 @@ private:
     void run();
 
     InterprocessConnection (const InterprocessConnection&);
-    const InterprocessConnection& operator= (const InterprocessConnection&);
+    InterprocessConnection& operator= (const InterprocessConnection&);
 };
 
 #endif   // __JUCE_INTERPROCESSCONNECTION_JUCEHEADER__
diff --git a/src/events/juce_InterprocessConnectionServer.h b/src/events/juce_InterprocessConnectionServer.h
index f01cfde6ae..9ff4c92ceb 100644
--- a/src/events/juce_InterprocessConnectionServer.h
+++ b/src/events/juce_InterprocessConnectionServer.h
@@ -93,7 +93,7 @@ private:
     void run();
 
     InterprocessConnectionServer (const InterprocessConnectionServer&);
-    const InterprocessConnectionServer& operator= (const InterprocessConnectionServer&);
+    InterprocessConnectionServer& operator= (const InterprocessConnectionServer&);
 };
 
 
diff --git a/src/events/juce_Message.h b/src/events/juce_Message.h
index ea59a390d5..decfd0690e 100644
--- a/src/events/juce_Message.h
+++ b/src/events/juce_Message.h
@@ -80,7 +80,7 @@ private:
     MessageListener* messageRecipient;
 
     Message (const Message&);
-    const Message& operator= (const Message&);
+    Message& operator= (const Message&);
 };
 
 
diff --git a/src/events/juce_MessageManager.h b/src/events/juce_MessageManager.h
index c4307e0ae7..90cf4ba3ed 100644
--- a/src/events/juce_MessageManager.h
+++ b/src/events/juce_MessageManager.h
@@ -196,7 +196,7 @@ private:
     CriticalSection lockingLock;
 
     MessageManager (const MessageManager&);
-    const MessageManager& operator= (const MessageManager&);
+    MessageManager& operator= (const MessageManager&);
 };
 
 
diff --git a/src/events/juce_MultiTimer.h b/src/events/juce_MultiTimer.h
index 1a9d9f8530..410f29bf19 100644
--- a/src/events/juce_MultiTimer.h
+++ b/src/events/juce_MultiTimer.h
@@ -126,7 +126,7 @@ private:
     CriticalSection timerListLock;
     OwnedArray <MultiTimerCallback> timers;
 
-    const MultiTimer& operator= (const MultiTimer&);
+    MultiTimer& operator= (const MultiTimer&);
 };
 
 #endif   // __JUCE_MULTITIMER_JUCEHEADER__
diff --git a/src/events/juce_Timer.h b/src/events/juce_Timer.h
index bbe61ccbef..ff7622079c 100644
--- a/src/events/juce_Timer.h
+++ b/src/events/juce_Timer.h
@@ -124,7 +124,7 @@ private:
     Timer* previous;
     Timer* next;
 
-    const Timer& operator= (const Timer&);
+    Timer& operator= (const Timer&);
 };
 
 #endif   // __JUCE_TIMER_JUCEHEADER__
diff --git a/src/gui/components/buttons/juce_ArrowButton.h b/src/gui/components/buttons/juce_ArrowButton.h
index 8a3755bd5f..33815fef38 100644
--- a/src/gui/components/buttons/juce_ArrowButton.h
+++ b/src/gui/components/buttons/juce_ArrowButton.h
@@ -75,7 +75,7 @@ private:
     int offset;
 
     ArrowButton (const ArrowButton&);
-    const ArrowButton& operator= (const ArrowButton&);
+    ArrowButton& operator= (const ArrowButton&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_Button.h b/src/gui/components/buttons/juce_Button.h
index 67c776a958..8e476538b5 100644
--- a/src/gui/components/buttons/juce_Button.h
+++ b/src/gui/components/buttons/juce_Button.h
@@ -503,7 +503,7 @@ private:
     void sendStateMessage();
 
     Button (const Button&);
-    const Button& operator= (const Button&);
+    Button& operator= (const Button&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_DrawableButton.h b/src/gui/components/buttons/juce_DrawableButton.h
index 649730a5d6..dcca5f8d85 100644
--- a/src/gui/components/buttons/juce_DrawableButton.h
+++ b/src/gui/components/buttons/juce_DrawableButton.h
@@ -172,7 +172,7 @@ private:
 
     void deleteImages();
     DrawableButton (const DrawableButton&);
-    const DrawableButton& operator= (const DrawableButton&);
+    DrawableButton& operator= (const DrawableButton&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_HyperlinkButton.h b/src/gui/components/buttons/juce_HyperlinkButton.h
index 9b0b7127b6..f3687ab9d8 100644
--- a/src/gui/components/buttons/juce_HyperlinkButton.h
+++ b/src/gui/components/buttons/juce_HyperlinkButton.h
@@ -114,7 +114,7 @@ private:
     const Font getFontToUse() const;
 
     HyperlinkButton (const HyperlinkButton&);
-    const HyperlinkButton& operator= (const HyperlinkButton&);
+    HyperlinkButton& operator= (const HyperlinkButton&);
 };
 
 #endif   // __JUCE_HYPERLINKBUTTON_JUCEHEADER__
diff --git a/src/gui/components/buttons/juce_ImageButton.h b/src/gui/components/buttons/juce_ImageButton.h
index 2ed5cd5d9a..6b6f7e8f46 100644
--- a/src/gui/components/buttons/juce_ImageButton.h
+++ b/src/gui/components/buttons/juce_ImageButton.h
@@ -163,7 +163,7 @@ private:
     void deleteImages();
 
     ImageButton (const ImageButton&);
-    const ImageButton& operator= (const ImageButton&);
+    ImageButton& operator= (const ImageButton&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_ShapeButton.h b/src/gui/components/buttons/juce_ShapeButton.h
index e7b8f2055f..b76ec3c2c1 100644
--- a/src/gui/components/buttons/juce_ShapeButton.h
+++ b/src/gui/components/buttons/juce_ShapeButton.h
@@ -106,7 +106,7 @@ private:
     float outlineWidth;
 
     ShapeButton (const ShapeButton&);
-    const ShapeButton& operator= (const ShapeButton&);
+    ShapeButton& operator= (const ShapeButton&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_TextButton.h b/src/gui/components/buttons/juce_TextButton.h
index c6bdb66946..352248f511 100644
--- a/src/gui/components/buttons/juce_TextButton.h
+++ b/src/gui/components/buttons/juce_TextButton.h
@@ -101,7 +101,7 @@ protected:
 
 private:
     TextButton (const TextButton&);
-    const TextButton& operator= (const TextButton&);
+    TextButton& operator= (const TextButton&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_ToggleButton.h b/src/gui/components/buttons/juce_ToggleButton.h
index def0f011a8..51df63f4b2 100644
--- a/src/gui/components/buttons/juce_ToggleButton.h
+++ b/src/gui/components/buttons/juce_ToggleButton.h
@@ -88,7 +88,7 @@ protected:
 private:
     //==============================================================================
     ToggleButton (const ToggleButton&);
-    const ToggleButton& operator= (const ToggleButton&);
+    ToggleButton& operator= (const ToggleButton&);
 };
 
 
diff --git a/src/gui/components/buttons/juce_ToolbarButton.h b/src/gui/components/buttons/juce_ToolbarButton.h
index a2dd73cfb7..daffbd5aad 100644
--- a/src/gui/components/buttons/juce_ToolbarButton.h
+++ b/src/gui/components/buttons/juce_ToolbarButton.h
@@ -84,7 +84,7 @@ private:
     ScopedPointer <Drawable> normalImage, toggledOnImage;
 
     ToolbarButton (const ToolbarButton&);
-    const ToolbarButton& operator= (const ToolbarButton&);
+    ToolbarButton& operator= (const ToolbarButton&);
 };
 
 
diff --git a/src/gui/components/code_editor/juce_CodeDocument.cpp b/src/gui/components/code_editor/juce_CodeDocument.cpp
index 150658c1c8..44308bcc96 100644
--- a/src/gui/components/code_editor/juce_CodeDocument.cpp
+++ b/src/gui/components/code_editor/juce_CodeDocument.cpp
@@ -130,7 +130,7 @@ CodeDocument::Iterator::Iterator (const CodeDocument::Iterator& other)
 {
 }
 
-const CodeDocument::Iterator& CodeDocument::Iterator::operator= (const CodeDocument::Iterator& other) throw()
+CodeDocument::Iterator& CodeDocument::Iterator::operator= (const CodeDocument::Iterator& other) throw()
 {
     document = other.document;
     currentLine = other.currentLine;
@@ -241,7 +241,7 @@ CodeDocument::Position::~Position() throw()
     setPositionMaintained (false);
 }
 
-const CodeDocument::Position& CodeDocument::Position::operator= (const Position& other) throw()
+CodeDocument::Position& CodeDocument::Position::operator= (const Position& other) throw()
 {
     if (this != &other)
     {
@@ -733,7 +733,7 @@ class CodeDocumentInsertAction   : public UndoableAction
     int insertPos;
 
     CodeDocumentInsertAction (const CodeDocumentInsertAction&);
-    const CodeDocumentInsertAction& operator= (const CodeDocumentInsertAction&);
+    CodeDocumentInsertAction& operator= (const CodeDocumentInsertAction&);
 
 public:
     CodeDocumentInsertAction (CodeDocument& owner_, const String& text_, const int insertPos_) throw()
@@ -839,7 +839,7 @@ class CodeDocumentDeleteAction  : public UndoableAction
     String removedText;
 
     CodeDocumentDeleteAction (const CodeDocumentDeleteAction&);
-    const CodeDocumentDeleteAction& operator= (const CodeDocumentDeleteAction&);
+    CodeDocumentDeleteAction& operator= (const CodeDocumentDeleteAction&);
 
 public:
     CodeDocumentDeleteAction (CodeDocument& owner_, const int startPos_, const int endPos_) throw()
diff --git a/src/gui/components/code_editor/juce_CodeDocument.h b/src/gui/components/code_editor/juce_CodeDocument.h
index edd9776e70..9bada18011 100644
--- a/src/gui/components/code_editor/juce_CodeDocument.h
+++ b/src/gui/components/code_editor/juce_CodeDocument.h
@@ -105,7 +105,7 @@ public:
         /** Destructor. */
         ~Position() throw();
 
-        const Position& operator= (const Position& other) throw();
+        Position& operator= (const Position& other) throw();
         bool operator== (const Position& other) const throw();
         bool operator!= (const Position& other) const throw();
 
@@ -341,7 +341,7 @@ public:
     public:
         Iterator (CodeDocument* const document);
         Iterator (const Iterator& other);
-        const Iterator& operator= (const Iterator& other) throw();
+        Iterator& operator= (const Iterator& other) throw();
         ~Iterator() throw();
 
         /** Reads the next character and returns it.
@@ -402,7 +402,7 @@ private:
     void checkLastLineStatus();
 
     CodeDocument (const CodeDocument&);
-    const CodeDocument& operator= (const CodeDocument&);
+    CodeDocument& operator= (const CodeDocument&);
 };
 
 
diff --git a/src/gui/components/code_editor/juce_CodeEditorComponent.h b/src/gui/components/code_editor/juce_CodeEditorComponent.h
index 0e81a77d32..781eaa4175 100644
--- a/src/gui/components/code_editor/juce_CodeEditorComponent.h
+++ b/src/gui/components/code_editor/juce_CodeEditorComponent.h
@@ -297,7 +297,7 @@ private:
     int columnToIndex (int line, int column) const throw();
 
     CodeEditorComponent (const CodeEditorComponent&);
-    const CodeEditorComponent& operator= (const CodeEditorComponent&);
+    CodeEditorComponent& operator= (const CodeEditorComponent&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ComboBox.h b/src/gui/components/controls/juce_ComboBox.h
index 852d852b4d..67ee48536f 100644
--- a/src/gui/components/controls/juce_ComboBox.h
+++ b/src/gui/components/controls/juce_ComboBox.h
@@ -402,7 +402,7 @@ private:
     ItemInfo* getItemForIndex (const int index) const throw();
 
     ComboBox (const ComboBox&);
-    const ComboBox& operator= (const ComboBox&);
+    ComboBox& operator= (const ComboBox&);
 };
 
 #endif   // __JUCE_COMBOBOX_JUCEHEADER__
diff --git a/src/gui/components/controls/juce_Label.h b/src/gui/components/controls/juce_Label.h
index f1e74817ca..9b15c07022 100644
--- a/src/gui/components/controls/juce_Label.h
+++ b/src/gui/components/controls/juce_Label.h
@@ -342,7 +342,7 @@ private:
     void callChangeListeners();
 
     Label (const Label&);
-    const Label& operator= (const Label&);
+    Label& operator= (const Label&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ListBox.cpp b/src/gui/components/controls/juce_ListBox.cpp
index cde341f4ca..0aa46f08b3 100644
--- a/src/gui/components/controls/juce_ListBox.cpp
+++ b/src/gui/components/controls/juce_ListBox.cpp
@@ -167,7 +167,7 @@ private:
     bool selected, isDragging, selectRowOnMouseUp;
 
     ListBoxRowComponent (const ListBoxRowComponent&);
-    const ListBoxRowComponent& operator= (const ListBoxRowComponent&);
+    ListBoxRowComponent& operator= (const ListBoxRowComponent&);
 };
 
 
@@ -325,7 +325,7 @@ private:
     ListBox& owner;
 
     ListViewport (const ListViewport&);
-    const ListViewport& operator= (const ListViewport&);
+    ListViewport& operator= (const ListViewport&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ListBox.h b/src/gui/components/controls/juce_ListBox.h
index 08c14766b5..08d3ea9b3d 100644
--- a/src/gui/components/controls/juce_ListBox.h
+++ b/src/gui/components/controls/juce_ListBox.h
@@ -582,7 +582,7 @@ private:
                             bool isMouseClick);
 
     ListBox (const ListBox&);
-    const ListBox& operator= (const ListBox&);
+    ListBox& operator= (const ListBox&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ProgressBar.h b/src/gui/components/controls/juce_ProgressBar.h
index 761c957f4e..5bddd72ff7 100644
--- a/src/gui/components/controls/juce_ProgressBar.h
+++ b/src/gui/components/controls/juce_ProgressBar.h
@@ -118,7 +118,7 @@ private:
     void timerCallback();
 
     ProgressBar (const ProgressBar&);
-    const ProgressBar& operator= (const ProgressBar&);
+    ProgressBar& operator= (const ProgressBar&);
 };
 
 
diff --git a/src/gui/components/controls/juce_Slider.cpp b/src/gui/components/controls/juce_Slider.cpp
index f179b757fb..36ee4d5e6a 100644
--- a/src/gui/components/controls/juce_Slider.cpp
+++ b/src/gui/components/controls/juce_Slider.cpp
@@ -85,7 +85,7 @@ private:
     String text;
 
     SliderPopupDisplayComponent (const SliderPopupDisplayComponent&);
-    const SliderPopupDisplayComponent& operator= (const SliderPopupDisplayComponent&);
+    SliderPopupDisplayComponent& operator= (const SliderPopupDisplayComponent&);
 };
 
 //==============================================================================
diff --git a/src/gui/components/controls/juce_Slider.h b/src/gui/components/controls/juce_Slider.h
index 293b4b4d7d..ebf974b1a0 100644
--- a/src/gui/components/controls/juce_Slider.h
+++ b/src/gui/components/controls/juce_Slider.h
@@ -792,7 +792,7 @@ private:
     bool incDecDragDirectionIsHorizontal() const;
 
     Slider (const Slider&);
-    const Slider& operator= (const Slider&);
+    Slider& operator= (const Slider&);
 };
 
 
diff --git a/src/gui/components/controls/juce_TableHeaderComponent.cpp b/src/gui/components/controls/juce_TableHeaderComponent.cpp
index 4e7e063d01..23232041c6 100644
--- a/src/gui/components/controls/juce_TableHeaderComponent.cpp
+++ b/src/gui/components/controls/juce_TableHeaderComponent.cpp
@@ -58,7 +58,7 @@ private:
     ScopedPointer <Image> image;
 
     DragOverlayComp (const DragOverlayComp&);
-    const DragOverlayComp& operator= (const DragOverlayComp&);
+    DragOverlayComp& operator= (const DragOverlayComp&);
 };
 
 
diff --git a/src/gui/components/controls/juce_TableHeaderComponent.h b/src/gui/components/controls/juce_TableHeaderComponent.h
index 35e0557272..59de80600d 100644
--- a/src/gui/components/controls/juce_TableHeaderComponent.h
+++ b/src/gui/components/controls/juce_TableHeaderComponent.h
@@ -430,7 +430,7 @@ private:
     void resizeColumnsToFit (int firstColumnIndex, int targetTotalWidth);
 
     TableHeaderComponent (const TableHeaderComponent&);
-    const TableHeaderComponent operator= (const TableHeaderComponent&);
+    TableHeaderComponent operator= (const TableHeaderComponent&);
 };
 
 
diff --git a/src/gui/components/controls/juce_TableListBox.cpp b/src/gui/components/controls/juce_TableListBox.cpp
index 5b440ee993..cb9e3fcf98 100644
--- a/src/gui/components/controls/juce_TableListBox.cpp
+++ b/src/gui/components/controls/juce_TableListBox.cpp
@@ -259,7 +259,7 @@ private:
     }
 
     TableListRowComp (const TableListRowComp&);
-    const TableListRowComp& operator= (const TableListRowComp&);
+    TableListRowComp& operator= (const TableListRowComp&);
 };
 
 
@@ -310,7 +310,7 @@ private:
     TableListBox& owner;
 
     TableListBoxHeader (const TableListBoxHeader&);
-    const TableListBoxHeader& operator= (const TableListBoxHeader&);
+    TableListBoxHeader& operator= (const TableListBoxHeader&);
 };
 
 //==============================================================================
diff --git a/src/gui/components/controls/juce_TableListBox.h b/src/gui/components/controls/juce_TableListBox.h
index 64c6aa9bf3..69d6887796 100644
--- a/src/gui/components/controls/juce_TableListBox.h
+++ b/src/gui/components/controls/juce_TableListBox.h
@@ -319,7 +319,7 @@ private:
     void updateColumnComponents() const;
 
     TableListBox (const TableListBox&);
-    const TableListBox& operator= (const TableListBox&);
+    TableListBox& operator= (const TableListBox&);
 };
 
 
diff --git a/src/gui/components/controls/juce_TextEditor.cpp b/src/gui/components/controls/juce_TextEditor.cpp
index 7b06fc5bf7..7ae40440b7 100644
--- a/src/gui/components/controls/juce_TextEditor.cpp
+++ b/src/gui/components/controls/juce_TextEditor.cpp
@@ -328,7 +328,7 @@ private:
         }
     }
 
-    const UniformTextSection& operator= (const UniformTextSection& other);
+    UniformTextSection& operator= (const UniformTextSection& other);
 };
 
 //==============================================================================
@@ -732,7 +732,7 @@ private:
     const tchar passwordCharacter;
     TextAtom tempAtom;
 
-    const TextEditorIterator& operator= (const TextEditorIterator&);
+    TextEditorIterator& operator= (const TextEditorIterator&);
 
     void moveToEndOfLastAtom()
     {
@@ -765,7 +765,7 @@ class TextEditorInsertAction  : public UndoableAction
     const Colour colour;
 
     TextEditorInsertAction (const TextEditorInsertAction&);
-    const TextEditorInsertAction& operator= (const TextEditorInsertAction&);
+    TextEditorInsertAction& operator= (const TextEditorInsertAction&);
 
 public:
     TextEditorInsertAction (TextEditor& owner_,
@@ -816,7 +816,7 @@ class TextEditorRemoveAction  : public UndoableAction
     VoidArray removedSections;
 
     TextEditorRemoveAction (const TextEditorRemoveAction&);
-    const TextEditorRemoveAction& operator= (const TextEditorRemoveAction&);
+    TextEditorRemoveAction& operator= (const TextEditorRemoveAction&);
 
 public:
     TextEditorRemoveAction (TextEditor& owner_,
@@ -877,7 +877,7 @@ class TextHolderComponent  : public Component,
     TextEditor& owner;
 
     TextHolderComponent (const TextHolderComponent&);
-    const TextHolderComponent& operator= (const TextHolderComponent&);
+    TextHolderComponent& operator= (const TextHolderComponent&);
 
 public:
     TextHolderComponent (TextEditor& owner_)
@@ -922,7 +922,7 @@ class TextEditorViewport  : public Viewport
     float lastWordWrapWidth;
 
     TextEditorViewport (const TextEditorViewport&);
-    const TextEditorViewport& operator= (const TextEditorViewport&);
+    TextEditorViewport& operator= (const TextEditorViewport&);
 
 public:
     TextEditorViewport (TextEditor* const owner_)
diff --git a/src/gui/components/controls/juce_TextEditor.h b/src/gui/components/controls/juce_TextEditor.h
index 50db9fc494..5b3672479f 100644
--- a/src/gui/components/controls/juce_TextEditor.h
+++ b/src/gui/components/controls/juce_TextEditor.h
@@ -700,7 +700,7 @@ private:
     void repaintText (const Range<int>& range);
 
     TextEditor (const TextEditor&);
-    const TextEditor& operator= (const TextEditor&);
+    TextEditor& operator= (const TextEditor&);
 };
 
 #endif   // __JUCE_TEXTEDITOR_JUCEHEADER__
diff --git a/src/gui/components/controls/juce_Toolbar.cpp b/src/gui/components/controls/juce_Toolbar.cpp
index 727b2bc340..dfeb4b30b4 100644
--- a/src/gui/components/controls/juce_Toolbar.cpp
+++ b/src/gui/components/controls/juce_Toolbar.cpp
@@ -168,7 +168,7 @@ private:
     const bool drawBar;
 
     ToolbarSpacerComp (const ToolbarSpacerComp&);
-    const ToolbarSpacerComp& operator= (const ToolbarSpacerComp&);
+    ToolbarSpacerComp& operator= (const ToolbarSpacerComp&);
 };
 
 //==============================================================================
@@ -263,7 +263,7 @@ private:
     Array <int> oldIndexes;
 
     MissingItemsComponent (const MissingItemsComponent&);
-    const MissingItemsComponent& operator= (const MissingItemsComponent&);
+    MissingItemsComponent& operator= (const MissingItemsComponent&);
 };
 
 
diff --git a/src/gui/components/controls/juce_Toolbar.h b/src/gui/components/controls/juce_Toolbar.h
index ca57ff2215..85f7a3b5ee 100644
--- a/src/gui/components/controls/juce_Toolbar.h
+++ b/src/gui/components/controls/juce_Toolbar.h
@@ -310,7 +310,7 @@ private:
     ToolbarItemComponent* getNextActiveComponent (int index, const int delta) const;
 
     Toolbar (const Toolbar&);
-    const Toolbar& operator= (const Toolbar&);
+    Toolbar& operator= (const Toolbar&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ToolbarItemComponent.cpp b/src/gui/components/controls/juce_ToolbarItemComponent.cpp
index 79f9e5f67a..f78c2bc81a 100644
--- a/src/gui/components/controls/juce_ToolbarItemComponent.cpp
+++ b/src/gui/components/controls/juce_ToolbarItemComponent.cpp
@@ -141,7 +141,7 @@ private:
     bool isDragging;
 
     ItemDragAndDropOverlayComponent (const ItemDragAndDropOverlayComponent&);
-    const ItemDragAndDropOverlayComponent& operator= (const ItemDragAndDropOverlayComponent&);
+    ItemDragAndDropOverlayComponent& operator= (const ItemDragAndDropOverlayComponent&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ToolbarItemComponent.h b/src/gui/components/controls/juce_ToolbarItemComponent.h
index 07a5ccc8e3..f76bdcd565 100644
--- a/src/gui/components/controls/juce_ToolbarItemComponent.h
+++ b/src/gui/components/controls/juce_ToolbarItemComponent.h
@@ -206,7 +206,7 @@ private:
     Rectangle<int> contentArea;
 
     ToolbarItemComponent (const ToolbarItemComponent&);
-    const ToolbarItemComponent& operator= (const ToolbarItemComponent&);
+    ToolbarItemComponent& operator= (const ToolbarItemComponent&);
 };
 
 
diff --git a/src/gui/components/controls/juce_ToolbarItemPalette.h b/src/gui/components/controls/juce_ToolbarItemPalette.h
index bba1a04e9d..11657ed459 100644
--- a/src/gui/components/controls/juce_ToolbarItemPalette.h
+++ b/src/gui/components/controls/juce_ToolbarItemPalette.h
@@ -74,7 +74,7 @@ private:
     void replaceComponent (ToolbarItemComponent* const comp);
 
     ToolbarItemPalette (const ToolbarItemPalette&);
-    const ToolbarItemPalette& operator= (const ToolbarItemPalette&);
+    ToolbarItemPalette& operator= (const ToolbarItemPalette&);
 };
 
 
diff --git a/src/gui/components/controls/juce_TreeView.cpp b/src/gui/components/controls/juce_TreeView.cpp
index d647b3de14..0e3880e940 100644
--- a/src/gui/components/controls/juce_TreeView.cpp
+++ b/src/gui/components/controls/juce_TreeView.cpp
@@ -328,7 +328,7 @@ private:
     bool isDragging, needSelectionOnMouseUp;
 
     TreeViewContentComponent (const TreeViewContentComponent&);
-    const TreeViewContentComponent& operator= (const TreeViewContentComponent&);
+    TreeViewContentComponent& operator= (const TreeViewContentComponent&);
 
     void selectBasedOnModifiers (TreeViewItem* const item, const ModifierKeys& modifiers)
     {
@@ -396,7 +396,7 @@ public:
 
 private:
     TreeViewport (const TreeViewport&);
-    const TreeViewport& operator= (const TreeViewport&);
+    TreeViewport& operator= (const TreeViewport&);
 };
 
 
diff --git a/src/gui/components/controls/juce_TreeView.h b/src/gui/components/controls/juce_TreeView.h
index 44b4010bac..150e423724 100644
--- a/src/gui/components/controls/juce_TreeView.h
+++ b/src/gui/components/controls/juce_TreeView.h
@@ -493,7 +493,7 @@ private:
     TreeViewItem* findItemFromIdentifierString (const String& identifierString);
 
     TreeViewItem (const TreeViewItem&);
-    const TreeViewItem& operator= (const TreeViewItem&);
+    TreeViewItem& operator= (const TreeViewItem&);
 };
 
 
@@ -778,7 +778,7 @@ private:
                                      Component* sourceComponent) const throw();
 
     TreeView (const TreeView&);
-    const TreeView& operator= (const TreeView&);
+    TreeView& operator= (const TreeView&);
 };
 
 #endif   // __JUCE_TREEVIEW_JUCEHEADER__
diff --git a/src/gui/components/filebrowser/juce_DirectoryContentsDisplayComponent.h b/src/gui/components/filebrowser/juce_DirectoryContentsDisplayComponent.h
index dd1e710cc8..6ea066221c 100644
--- a/src/gui/components/filebrowser/juce_DirectoryContentsDisplayComponent.h
+++ b/src/gui/components/filebrowser/juce_DirectoryContentsDisplayComponent.h
@@ -106,7 +106,7 @@ protected:
     SortedSet <void*> listeners;
 
     DirectoryContentsDisplayComponent (const DirectoryContentsDisplayComponent&);
-    const DirectoryContentsDisplayComponent& operator= (const DirectoryContentsDisplayComponent&);
+    DirectoryContentsDisplayComponent& operator= (const DirectoryContentsDisplayComponent&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_DirectoryContentsList.h b/src/gui/components/filebrowser/juce_DirectoryContentsList.h
index 54a7294612..8e2fb99c91 100644
--- a/src/gui/components/filebrowser/juce_DirectoryContentsList.h
+++ b/src/gui/components/filebrowser/juce_DirectoryContentsList.h
@@ -213,7 +213,7 @@ private:
                   const Time& creationTime, const bool isReadOnly);
 
     DirectoryContentsList (const DirectoryContentsList&);
-    const DirectoryContentsList& operator= (const DirectoryContentsList&);
+    DirectoryContentsList& operator= (const DirectoryContentsList&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_FileBrowserComponent.h b/src/gui/components/filebrowser/juce_FileBrowserComponent.h
index 68f207d0fa..bc93df2ebd 100644
--- a/src/gui/components/filebrowser/juce_FileBrowserComponent.h
+++ b/src/gui/components/filebrowser/juce_FileBrowserComponent.h
@@ -227,7 +227,7 @@ private:
     bool isFileOrDirSuitable (const File& f) const;
 
     FileBrowserComponent (const FileBrowserComponent&);
-    const FileBrowserComponent& operator= (const FileBrowserComponent&);
+    FileBrowserComponent& operator= (const FileBrowserComponent&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_FileChooserDialogBox.h b/src/gui/components/filebrowser/juce_FileChooserDialogBox.h
index a94db6b4e5..f360974f7b 100644
--- a/src/gui/components/filebrowser/juce_FileChooserDialogBox.h
+++ b/src/gui/components/filebrowser/juce_FileChooserDialogBox.h
@@ -156,7 +156,7 @@ private:
     const bool warnAboutOverwritingExistingFiles;
 
     FileChooserDialogBox (const FileChooserDialogBox&);
-    const FileChooserDialogBox& operator= (const FileChooserDialogBox&);
+    FileChooserDialogBox& operator= (const FileChooserDialogBox&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_FileListComponent.h b/src/gui/components/filebrowser/juce_FileListComponent.h
index ef2c8152e9..cae6b60876 100644
--- a/src/gui/components/filebrowser/juce_FileListComponent.h
+++ b/src/gui/components/filebrowser/juce_FileListComponent.h
@@ -94,7 +94,7 @@ public:
 
 private:
     FileListComponent (const FileListComponent&);
-    const FileListComponent& operator= (const FileListComponent&);
+    FileListComponent& operator= (const FileListComponent&);
 
     File lastDirectory;
 };
diff --git a/src/gui/components/filebrowser/juce_FilePreviewComponent.h b/src/gui/components/filebrowser/juce_FilePreviewComponent.h
index e1b3aaebb8..9887fd6c73 100644
--- a/src/gui/components/filebrowser/juce_FilePreviewComponent.h
+++ b/src/gui/components/filebrowser/juce_FilePreviewComponent.h
@@ -65,7 +65,7 @@ public:
 
 private:
     FilePreviewComponent (const FilePreviewComponent&);
-    const FilePreviewComponent& operator= (const FilePreviewComponent&);
+    FilePreviewComponent& operator= (const FilePreviewComponent&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_FileSearchPathListComponent.h b/src/gui/components/filebrowser/juce_FileSearchPathListComponent.h
index 220ec31ff4..c4552875b7 100644
--- a/src/gui/components/filebrowser/juce_FileSearchPathListComponent.h
+++ b/src/gui/components/filebrowser/juce_FileSearchPathListComponent.h
@@ -124,7 +124,7 @@ private:
     void updateButtons() throw();
 
     FileSearchPathListComponent (const FileSearchPathListComponent&);
-    const FileSearchPathListComponent& operator= (const FileSearchPathListComponent&);
+    FileSearchPathListComponent& operator= (const FileSearchPathListComponent&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_FileTreeComponent.h b/src/gui/components/filebrowser/juce_FileTreeComponent.h
index e32073782a..b0d0717256 100644
--- a/src/gui/components/filebrowser/juce_FileTreeComponent.h
+++ b/src/gui/components/filebrowser/juce_FileTreeComponent.h
@@ -87,7 +87,7 @@ private:
     String dragAndDropDescription;
 
     FileTreeComponent (const FileTreeComponent&);
-    const FileTreeComponent& operator= (const FileTreeComponent&);
+    FileTreeComponent& operator= (const FileTreeComponent&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_FilenameComponent.h b/src/gui/components/filebrowser/juce_FilenameComponent.h
index a2bb5d42d1..25f81b1ffd 100644
--- a/src/gui/components/filebrowser/juce_FilenameComponent.h
+++ b/src/gui/components/filebrowser/juce_FilenameComponent.h
@@ -217,7 +217,7 @@ private:
     void handleAsyncUpdate();
 
     FilenameComponent (const FilenameComponent&);
-    const FilenameComponent& operator= (const FilenameComponent&);
+    FilenameComponent& operator= (const FilenameComponent&);
 };
 
 
diff --git a/src/gui/components/filebrowser/juce_ImagePreviewComponent.h b/src/gui/components/filebrowser/juce_ImagePreviewComponent.h
index e02c1f07ef..01829c4e52 100644
--- a/src/gui/components/filebrowser/juce_ImagePreviewComponent.h
+++ b/src/gui/components/filebrowser/juce_ImagePreviewComponent.h
@@ -66,7 +66,7 @@ private:
     void getThumbSize (int& w, int& h) const;
 
     ImagePreviewComponent (const ImagePreviewComponent&);
-    const ImagePreviewComponent& operator= (const ImagePreviewComponent&);
+    ImagePreviewComponent& operator= (const ImagePreviewComponent&);
 };
 
 
diff --git a/src/gui/components/juce_Component.cpp b/src/gui/components/juce_Component.cpp
index 732bfdf5ea..851099ef6d 100644
--- a/src/gui/components/juce_Component.cpp
+++ b/src/gui/components/juce_Component.cpp
@@ -345,7 +345,7 @@ private:
     float scale, scaleChangePerMs;
 
     FadeOutProxyComponent (const FadeOutProxyComponent&);
-    const FadeOutProxyComponent& operator= (const FadeOutProxyComponent&);
+    FadeOutProxyComponent& operator= (const FadeOutProxyComponent&);
 };
 
 void Component::fadeOutComponent (const int millisecondsToFade,
diff --git a/src/gui/components/juce_Component.h b/src/gui/components/juce_Component.h
index 6ff7f12569..cbdef12ff1 100644
--- a/src/gui/components/juce_Component.h
+++ b/src/gui/components/juce_Component.h
@@ -2020,7 +2020,7 @@ private:
     // this one to avoid compiler warnings.
     Component (const Component&);
 
-    const Component& operator= (const Component&);
+    Component& operator= (const Component&);
 
     // (dummy method to cause a deliberate compile error - if you hit this, you need to update your
     // subclass to use the new parameters to keyStateChanged)
diff --git a/src/gui/components/juce_ComponentDeletionWatcher.h b/src/gui/components/juce_ComponentDeletionWatcher.h
index 7b317391ba..e846624414 100644
--- a/src/gui/components/juce_ComponentDeletionWatcher.h
+++ b/src/gui/components/juce_ComponentDeletionWatcher.h
@@ -67,7 +67,7 @@ private:
     const uint32 componentUID;
 
     ComponentDeletionWatcher (const ComponentDeletionWatcher&);
-    const ComponentDeletionWatcher& operator= (const ComponentDeletionWatcher&);
+    ComponentDeletionWatcher& operator= (const ComponentDeletionWatcher&);
 };
 
 
diff --git a/src/gui/components/juce_Desktop.h b/src/gui/components/juce_Desktop.h
index 187ee658d2..80e3d42f04 100644
--- a/src/gui/components/juce_Desktop.h
+++ b/src/gui/components/juce_Desktop.h
@@ -287,7 +287,7 @@ private:
     void handleAsyncUpdate();
 
     Desktop (const Desktop&);
-    const Desktop& operator= (const Desktop&);
+    Desktop& operator= (const Desktop&);
 };
 
 
diff --git a/src/gui/components/keyboard/juce_KeyMappingEditorComponent.cpp b/src/gui/components/keyboard/juce_KeyMappingEditorComponent.cpp
index 059dfad1aa..9127fef16a 100644
--- a/src/gui/components/keyboard/juce_KeyMappingEditorComponent.cpp
+++ b/src/gui/components/keyboard/juce_KeyMappingEditorComponent.cpp
@@ -121,7 +121,7 @@ private:
     const int keyNum;
 
     KeyMappingChangeButton (const KeyMappingChangeButton&);
-    const KeyMappingChangeButton& operator= (const KeyMappingChangeButton&);
+    KeyMappingChangeButton& operator= (const KeyMappingChangeButton&);
 };
 
 //==============================================================================
@@ -192,7 +192,7 @@ private:
     const CommandID commandID;
 
     KeyMappingItemComponent (const KeyMappingItemComponent&);
-    const KeyMappingItemComponent& operator= (const KeyMappingItemComponent&);
+    KeyMappingItemComponent& operator= (const KeyMappingItemComponent&);
 };
 
 //==============================================================================
@@ -226,7 +226,7 @@ private:
     const CommandID commandID;
 
     KeyMappingTreeViewItem (const KeyMappingTreeViewItem&);
-    const KeyMappingTreeViewItem& operator= (const KeyMappingTreeViewItem&);
+    KeyMappingTreeViewItem& operator= (const KeyMappingTreeViewItem&);
 };
 
 
@@ -287,7 +287,7 @@ private:
     String categoryName;
 
     KeyCategoryTreeViewItem (const KeyCategoryTreeViewItem&);
-    const KeyCategoryTreeViewItem& operator= (const KeyCategoryTreeViewItem&);
+    KeyCategoryTreeViewItem& operator= (const KeyCategoryTreeViewItem&);
 };
 
 
@@ -462,7 +462,7 @@ private:
     KeyMappingEditorComponent* owner;
 
     KeyEntryWindow (const KeyEntryWindow&);
-    const KeyEntryWindow& operator= (const KeyEntryWindow&);
+    KeyEntryWindow& operator= (const KeyEntryWindow&);
 };
 
 
diff --git a/src/gui/components/keyboard/juce_KeyMappingEditorComponent.h b/src/gui/components/keyboard/juce_KeyMappingEditorComponent.h
index a4fd5b05df..e39067310a 100644
--- a/src/gui/components/keyboard/juce_KeyMappingEditorComponent.h
+++ b/src/gui/components/keyboard/juce_KeyMappingEditorComponent.h
@@ -144,7 +144,7 @@ private:
     void assignNewKey (const CommandID commandID, int index);
 
     KeyMappingEditorComponent (const KeyMappingEditorComponent&);
-    const KeyMappingEditorComponent& operator= (const KeyMappingEditorComponent&);
+    KeyMappingEditorComponent& operator= (const KeyMappingEditorComponent&);
 };
 
 
diff --git a/src/gui/components/keyboard/juce_KeyPress.cpp b/src/gui/components/keyboard/juce_KeyPress.cpp
index 5223c754ee..72a20e5df7 100644
--- a/src/gui/components/keyboard/juce_KeyPress.cpp
+++ b/src/gui/components/keyboard/juce_KeyPress.cpp
@@ -61,7 +61,7 @@ KeyPress::KeyPress (const KeyPress& other) throw()
 {
 }
 
-const KeyPress& KeyPress::operator= (const KeyPress& other) throw()
+KeyPress& KeyPress::operator= (const KeyPress& other) throw()
 {
     keyCode = other.keyCode;
     mods = other.mods;
diff --git a/src/gui/components/keyboard/juce_KeyPress.h b/src/gui/components/keyboard/juce_KeyPress.h
index ce5e3782ba..62502fba05 100644
--- a/src/gui/components/keyboard/juce_KeyPress.h
+++ b/src/gui/components/keyboard/juce_KeyPress.h
@@ -79,7 +79,7 @@ public:
     KeyPress (const KeyPress& other) throw();
 
     /** Copies this KeyPress from another one. */
-    const KeyPress& operator= (const KeyPress& other) throw();
+    KeyPress& operator= (const KeyPress& other) throw();
 
     /** Compares two KeyPress objects. */
     bool operator== (const KeyPress& other) const throw();
diff --git a/src/gui/components/keyboard/juce_KeyPressMappingSet.h b/src/gui/components/keyboard/juce_KeyPressMappingSet.h
index f7644a3715..5ba08fe5ed 100644
--- a/src/gui/components/keyboard/juce_KeyPressMappingSet.h
+++ b/src/gui/components/keyboard/juce_KeyPressMappingSet.h
@@ -262,7 +262,7 @@ private:
                         const int millisecsSinceKeyPressed,
                         Component* const originatingComponent) const;
 
-    const KeyPressMappingSet& operator= (const KeyPressMappingSet&);
+    KeyPressMappingSet& operator= (const KeyPressMappingSet&);
 };
 
 
diff --git a/src/gui/components/keyboard/juce_ModifierKeys.cpp b/src/gui/components/keyboard/juce_ModifierKeys.cpp
index 5407e23a75..f4d3294de5 100644
--- a/src/gui/components/keyboard/juce_ModifierKeys.cpp
+++ b/src/gui/components/keyboard/juce_ModifierKeys.cpp
@@ -41,7 +41,7 @@ ModifierKeys::ModifierKeys (const ModifierKeys& other) throw()
 {
 }
 
-const ModifierKeys& ModifierKeys::operator= (const ModifierKeys& other) throw()
+ModifierKeys& ModifierKeys::operator= (const ModifierKeys& other) throw()
 {
     flags = other.flags;
     return *this;
diff --git a/src/gui/components/keyboard/juce_ModifierKeys.h b/src/gui/components/keyboard/juce_ModifierKeys.h
index d21ce80197..47d4418d73 100644
--- a/src/gui/components/keyboard/juce_ModifierKeys.h
+++ b/src/gui/components/keyboard/juce_ModifierKeys.h
@@ -52,7 +52,7 @@ public:
     ModifierKeys (const ModifierKeys& other) throw();
 
     /** Copies this object from another one. */
-    const ModifierKeys& operator= (const ModifierKeys& other) throw();
+    ModifierKeys& operator= (const ModifierKeys& other) throw();
 
     //==============================================================================
     /** Checks whether the 'command' key flag is set (or 'ctrl' on Windows/Linux).
diff --git a/src/gui/components/layout/juce_ComponentBoundsConstrainer.h b/src/gui/components/layout/juce_ComponentBoundsConstrainer.h
index b1a304bc65..9133499e2c 100644
--- a/src/gui/components/layout/juce_ComponentBoundsConstrainer.h
+++ b/src/gui/components/layout/juce_ComponentBoundsConstrainer.h
@@ -186,7 +186,7 @@ private:
     double aspectRatio;
 
     ComponentBoundsConstrainer (const ComponentBoundsConstrainer&);
-    const ComponentBoundsConstrainer& operator= (const ComponentBoundsConstrainer&);
+    ComponentBoundsConstrainer& operator= (const ComponentBoundsConstrainer&);
 };
 
 
diff --git a/src/gui/components/layout/juce_ComponentMovementWatcher.h b/src/gui/components/layout/juce_ComponentMovementWatcher.h
index a5c906da59..5b00690e11 100644
--- a/src/gui/components/layout/juce_ComponentMovementWatcher.h
+++ b/src/gui/components/layout/juce_ComponentMovementWatcher.h
@@ -90,7 +90,7 @@ private:
     void registerWithParentComps() throw();
 
     ComponentMovementWatcher (const ComponentMovementWatcher&);
-    const ComponentMovementWatcher& operator= (const ComponentMovementWatcher&);
+    ComponentMovementWatcher& operator= (const ComponentMovementWatcher&);
 };
 
 
diff --git a/src/gui/components/layout/juce_GroupComponent.h b/src/gui/components/layout/juce_GroupComponent.h
index 894d9e6ba8..48abe8a71e 100644
--- a/src/gui/components/layout/juce_GroupComponent.h
+++ b/src/gui/components/layout/juce_GroupComponent.h
@@ -98,7 +98,7 @@ private:
     Justification justification;
 
     GroupComponent (const GroupComponent&);
-    const GroupComponent& operator= (const GroupComponent&);
+    GroupComponent& operator= (const GroupComponent&);
 };
 
 
diff --git a/src/gui/components/layout/juce_ResizableBorderComponent.h b/src/gui/components/layout/juce_ResizableBorderComponent.h
index c895cc7f37..bf60f2f940 100644
--- a/src/gui/components/layout/juce_ResizableBorderComponent.h
+++ b/src/gui/components/layout/juce_ResizableBorderComponent.h
@@ -116,7 +116,7 @@ private:
     void updateMouseZone (const MouseEvent& e) throw();
 
     ResizableBorderComponent (const ResizableBorderComponent&);
-    const ResizableBorderComponent& operator= (const ResizableBorderComponent&);
+    ResizableBorderComponent& operator= (const ResizableBorderComponent&);
 };
 
 
diff --git a/src/gui/components/layout/juce_ResizableCornerComponent.h b/src/gui/components/layout/juce_ResizableCornerComponent.h
index b44f265468..e5ea5bb620 100644
--- a/src/gui/components/layout/juce_ResizableCornerComponent.h
+++ b/src/gui/components/layout/juce_ResizableCornerComponent.h
@@ -90,7 +90,7 @@ private:
     int originalX, originalY, originalW, originalH;
 
     ResizableCornerComponent (const ResizableCornerComponent&);
-    const ResizableCornerComponent& operator= (const ResizableCornerComponent&);
+    ResizableCornerComponent& operator= (const ResizableCornerComponent&);
 };
 
 
diff --git a/src/gui/components/layout/juce_ScrollBar.cpp b/src/gui/components/layout/juce_ScrollBar.cpp
index dd9a554bd0..822315189b 100644
--- a/src/gui/components/layout/juce_ScrollBar.cpp
+++ b/src/gui/components/layout/juce_ScrollBar.cpp
@@ -75,7 +75,7 @@ private:
     ScrollBar& owner;
 
     ScrollbarButton (const ScrollbarButton&);
-    const ScrollbarButton& operator= (const ScrollbarButton&);
+    ScrollbarButton& operator= (const ScrollbarButton&);
 };
 
 
diff --git a/src/gui/components/layout/juce_ScrollBar.h b/src/gui/components/layout/juce_ScrollBar.h
index cf196e07fd..da2aa6f0c2 100644
--- a/src/gui/components/layout/juce_ScrollBar.h
+++ b/src/gui/components/layout/juce_ScrollBar.h
@@ -299,7 +299,7 @@ private:
     void timerCallback();
 
     ScrollBar (const ScrollBar&);
-    const ScrollBar& operator= (const ScrollBar&);
+    ScrollBar& operator= (const ScrollBar&);
 };
 
 
diff --git a/src/gui/components/layout/juce_StretchableLayoutManager.h b/src/gui/components/layout/juce_StretchableLayoutManager.h
index d5fe565d7a..57314aa3a4 100644
--- a/src/gui/components/layout/juce_StretchableLayoutManager.h
+++ b/src/gui/components/layout/juce_StretchableLayoutManager.h
@@ -267,7 +267,7 @@ private:
     void updatePrefSizesToMatchCurrentPositions();
 
     StretchableLayoutManager (const StretchableLayoutManager&);
-    const StretchableLayoutManager& operator= (const StretchableLayoutManager&);
+    StretchableLayoutManager& operator= (const StretchableLayoutManager&);
 };
 
 
diff --git a/src/gui/components/layout/juce_StretchableLayoutResizerBar.h b/src/gui/components/layout/juce_StretchableLayoutResizerBar.h
index b11b39c455..e74f6c06cb 100644
--- a/src/gui/components/layout/juce_StretchableLayoutResizerBar.h
+++ b/src/gui/components/layout/juce_StretchableLayoutResizerBar.h
@@ -94,7 +94,7 @@ private:
     bool isVertical;
 
     StretchableLayoutResizerBar (const StretchableLayoutResizerBar&);
-    const StretchableLayoutResizerBar& operator= (const StretchableLayoutResizerBar&);
+    StretchableLayoutResizerBar& operator= (const StretchableLayoutResizerBar&);
 };
 
 
diff --git a/src/gui/components/layout/juce_StretchableObjectResizer.h b/src/gui/components/layout/juce_StretchableObjectResizer.h
index ed559674dc..c7642043f4 100644
--- a/src/gui/components/layout/juce_StretchableObjectResizer.h
+++ b/src/gui/components/layout/juce_StretchableObjectResizer.h
@@ -100,7 +100,7 @@ private:
     OwnedArray <Item> items;
 
     StretchableObjectResizer (const StretchableObjectResizer&);
-    const StretchableObjectResizer& operator= (const StretchableObjectResizer&);
+    StretchableObjectResizer& operator= (const StretchableObjectResizer&);
 };
 
 
diff --git a/src/gui/components/layout/juce_TabbedButtonBar.cpp b/src/gui/components/layout/juce_TabbedButtonBar.cpp
index d1fcf41bc5..3b7b6872f4 100644
--- a/src/gui/components/layout/juce_TabbedButtonBar.cpp
+++ b/src/gui/components/layout/juce_TabbedButtonBar.cpp
@@ -169,7 +169,7 @@ private:
     TabbedButtonBar* const owner;
 
     TabAreaBehindFrontButtonComponent (const TabAreaBehindFrontButtonComponent&);
-    const TabAreaBehindFrontButtonComponent& operator= (const TabAreaBehindFrontButtonComponent&);
+    TabAreaBehindFrontButtonComponent& operator= (const TabAreaBehindFrontButtonComponent&);
 };
 
 
diff --git a/src/gui/components/layout/juce_TabbedButtonBar.h b/src/gui/components/layout/juce_TabbedButtonBar.h
index 05c055dd9b..67f8602bca 100644
--- a/src/gui/components/layout/juce_TabbedButtonBar.h
+++ b/src/gui/components/layout/juce_TabbedButtonBar.h
@@ -85,7 +85,7 @@ protected:
 
 private:
     TabBarButton (const TabBarButton&);
-    const TabBarButton& operator= (const TabBarButton&);
+    TabBarButton& operator= (const TabBarButton&);
 };
 
 
@@ -289,7 +289,7 @@ private:
     Button* extraTabsButton;
 
     TabbedButtonBar (const TabbedButtonBar&);
-    const TabbedButtonBar& operator= (const TabbedButtonBar&);
+    TabbedButtonBar& operator= (const TabbedButtonBar&);
 };
 
 
diff --git a/src/gui/components/layout/juce_TabbedComponent.cpp b/src/gui/components/layout/juce_TabbedComponent.cpp
index 7971378e1c..40a860aaa3 100644
--- a/src/gui/components/layout/juce_TabbedComponent.cpp
+++ b/src/gui/components/layout/juce_TabbedComponent.cpp
@@ -74,7 +74,7 @@ private:
     TabbedComponent* const owner;
 
     TabCompButtonBar (const TabCompButtonBar&);
-    const TabCompButtonBar& operator= (const TabCompButtonBar&);
+    TabCompButtonBar& operator= (const TabCompButtonBar&);
 };
 
 
diff --git a/src/gui/components/layout/juce_TabbedComponent.h b/src/gui/components/layout/juce_TabbedComponent.h
index 304773b4cd..e380fb62f7 100644
--- a/src/gui/components/layout/juce_TabbedComponent.h
+++ b/src/gui/components/layout/juce_TabbedComponent.h
@@ -239,7 +239,7 @@ private:
     void changeCallback (const int newCurrentTabIndex, const String& newTabName);
 
     TabbedComponent (const TabbedComponent&);
-    const TabbedComponent& operator= (const TabbedComponent&);
+    TabbedComponent& operator= (const TabbedComponent&);
 };
 
 
diff --git a/src/gui/components/layout/juce_Viewport.h b/src/gui/components/layout/juce_Viewport.h
index 01fe2fae70..12027935db 100644
--- a/src/gui/components/layout/juce_Viewport.h
+++ b/src/gui/components/layout/juce_Viewport.h
@@ -253,7 +253,7 @@ private:
 
     void updateVisibleRegion();
     Viewport (const Viewport&);
-    const Viewport& operator= (const Viewport&);
+    Viewport& operator= (const Viewport&);
 };
 
 
diff --git a/src/gui/components/lookandfeel/juce_LookAndFeel.cpp b/src/gui/components/lookandfeel/juce_LookAndFeel.cpp
index d7d0544cb9..0c708bfe9e 100644
--- a/src/gui/components/lookandfeel/juce_LookAndFeel.cpp
+++ b/src/gui/components/lookandfeel/juce_LookAndFeel.cpp
@@ -1891,7 +1891,7 @@ private:
     Path normalShape, toggledShape;
 
     GlassWindowButton (const GlassWindowButton&);
-    const GlassWindowButton& operator= (const GlassWindowButton&);
+    GlassWindowButton& operator= (const GlassWindowButton&);
 };
 
 Button* LookAndFeel::createDocumentWindowButton (int buttonType)
diff --git a/src/gui/components/lookandfeel/juce_LookAndFeel.h b/src/gui/components/lookandfeel/juce_LookAndFeel.h
index 42694e4c1c..4df25e1b70 100644
--- a/src/gui/components/lookandfeel/juce_LookAndFeel.h
+++ b/src/gui/components/lookandfeel/juce_LookAndFeel.h
@@ -655,7 +655,7 @@ private:
                                const bool flatOnBottom) throw();
 
     LookAndFeel (const LookAndFeel&);
-    const LookAndFeel& operator= (const LookAndFeel&);
+    LookAndFeel& operator= (const LookAndFeel&);
 };
 
 
diff --git a/src/gui/components/lookandfeel/juce_OldSchoolLookAndFeel.h b/src/gui/components/lookandfeel/juce_OldSchoolLookAndFeel.h
index e3cc4c2a50..d55df2d203 100644
--- a/src/gui/components/lookandfeel/juce_OldSchoolLookAndFeel.h
+++ b/src/gui/components/lookandfeel/juce_OldSchoolLookAndFeel.h
@@ -155,7 +155,7 @@ private:
     DropShadowEffect scrollbarShadow;
 
     OldSchoolLookAndFeel (const OldSchoolLookAndFeel&);
-    const OldSchoolLookAndFeel& operator= (const OldSchoolLookAndFeel&);
+    OldSchoolLookAndFeel& operator= (const OldSchoolLookAndFeel&);
 };
 
 
diff --git a/src/gui/components/menus/juce_MenuBarComponent.cpp b/src/gui/components/menus/juce_MenuBarComponent.cpp
index 13cb1929ce..c7b80b7df6 100644
--- a/src/gui/components/menus/juce_MenuBarComponent.cpp
+++ b/src/gui/components/menus/juce_MenuBarComponent.cpp
@@ -36,7 +36,7 @@ BEGIN_JUCE_NAMESPACE
 class DummyMenuComponent  : public Component
 {
     DummyMenuComponent (const DummyMenuComponent&);
-    const DummyMenuComponent& operator= (const DummyMenuComponent&);
+    DummyMenuComponent& operator= (const DummyMenuComponent&);
 
 public:
     DummyMenuComponent()    {}
diff --git a/src/gui/components/menus/juce_MenuBarComponent.h b/src/gui/components/menus/juce_MenuBarComponent.h
index 69e5b0454c..f7f17b16d3 100644
--- a/src/gui/components/menus/juce_MenuBarComponent.h
+++ b/src/gui/components/menus/juce_MenuBarComponent.h
@@ -118,7 +118,7 @@ private:
     void repaintMenuItem (int index);
 
     MenuBarComponent (const MenuBarComponent&);
-    const MenuBarComponent& operator= (const MenuBarComponent&);
+    MenuBarComponent& operator= (const MenuBarComponent&);
 };
 
 #endif   // __JUCE_MENUBARCOMPONENT_JUCEHEADER__
diff --git a/src/gui/components/menus/juce_MenuBarModel.h b/src/gui/components/menus/juce_MenuBarModel.h
index dd9cfeb7ae..dc3966e0d7 100644
--- a/src/gui/components/menus/juce_MenuBarModel.h
+++ b/src/gui/components/menus/juce_MenuBarModel.h
@@ -175,7 +175,7 @@ private:
     SortedSet <void*> listeners;
 
     MenuBarModel (const MenuBarModel&);
-    const MenuBarModel& operator= (const MenuBarModel&);
+    MenuBarModel& operator= (const MenuBarModel&);
 };
 
 
diff --git a/src/gui/components/menus/juce_PopupMenu.cpp b/src/gui/components/menus/juce_PopupMenu.cpp
index 490bbd307b..789b3841bf 100644
--- a/src/gui/components/menus/juce_PopupMenu.cpp
+++ b/src/gui/components/menus/juce_PopupMenu.cpp
@@ -1285,7 +1285,7 @@ PopupMenu::PopupMenu (const PopupMenu& other)
         items.add (new Item (*other.items.getUnchecked(i)));
 }
 
-const PopupMenu& PopupMenu::operator= (const PopupMenu& other)
+PopupMenu& PopupMenu::operator= (const PopupMenu& other)
 {
     if (this != &other)
     {
@@ -1431,7 +1431,7 @@ private:
     const int width, height;
 
     NormalComponentWrapper (const NormalComponentWrapper&);
-    const NormalComponentWrapper& operator= (const NormalComponentWrapper&);
+    NormalComponentWrapper& operator= (const NormalComponentWrapper&);
 };
 
 void PopupMenu::addCustomItem (const int itemResultId,
diff --git a/src/gui/components/menus/juce_PopupMenu.h b/src/gui/components/menus/juce_PopupMenu.h
index 884aae67d5..4cfc9c50e7 100644
--- a/src/gui/components/menus/juce_PopupMenu.h
+++ b/src/gui/components/menus/juce_PopupMenu.h
@@ -92,7 +92,7 @@ public:
     ~PopupMenu();
 
     /** Copies this menu from another one. */
-    const PopupMenu& operator= (const PopupMenu& other);
+    PopupMenu& operator= (const PopupMenu& other);
 
     //==============================================================================
     /** Resets the menu, removing all its items. */
@@ -369,7 +369,7 @@ public:
         int index;
 
         MenuItemIterator (const MenuItemIterator&);
-        const MenuItemIterator& operator= (const MenuItemIterator&);
+        MenuItemIterator& operator= (const MenuItemIterator&);
     };
 
     //==============================================================================
diff --git a/src/gui/components/mouse/juce_MouseCursor.cpp b/src/gui/components/mouse/juce_MouseCursor.cpp
index 2a66ccb2ea..cacd575589 100644
--- a/src/gui/components/mouse/juce_MouseCursor.cpp
+++ b/src/gui/components/mouse/juce_MouseCursor.cpp
@@ -93,7 +93,7 @@ private:
     const MouseCursor::StandardCursorType standardType;
     const bool isStandard;
 
-    const SharedMouseCursorInternal& operator= (const SharedMouseCursorInternal&);
+    SharedMouseCursorInternal& operator= (const SharedMouseCursorInternal&);
 };
 
 
@@ -125,7 +125,7 @@ MouseCursor::~MouseCursor() throw()
 {
 }
 
-const MouseCursor& MouseCursor::operator= (const MouseCursor& other) throw()
+MouseCursor& MouseCursor::operator= (const MouseCursor& other) throw()
 {
     cursorHandle = other.cursorHandle;
     return *this;
diff --git a/src/gui/components/mouse/juce_MouseCursor.h b/src/gui/components/mouse/juce_MouseCursor.h
index 5813af3727..fe7bec2f58 100644
--- a/src/gui/components/mouse/juce_MouseCursor.h
+++ b/src/gui/components/mouse/juce_MouseCursor.h
@@ -98,7 +98,7 @@ public:
     MouseCursor (const MouseCursor& other) throw();
 
     /** Copies this cursor from another object. */
-    const MouseCursor& operator= (const MouseCursor& other) throw();
+    MouseCursor& operator= (const MouseCursor& other) throw();
 
     /** Destructor. */
     ~MouseCursor() throw();
diff --git a/src/gui/components/mouse/juce_MouseHoverDetector.h b/src/gui/components/mouse/juce_MouseHoverDetector.h
index 976c410224..c19873133b 100644
--- a/src/gui/components/mouse/juce_MouseHoverDetector.h
+++ b/src/gui/components/mouse/juce_MouseHoverDetector.h
@@ -125,7 +125,7 @@ private:
     void checkJustHoveredCallback();
 
     MouseHoverDetector (const MouseHoverDetector&);
-    const MouseHoverDetector& operator= (const MouseHoverDetector&);
+    MouseHoverDetector& operator= (const MouseHoverDetector&);
 };
 
 #endif   // __JUCE_MOUSEHOVERDETECTOR_JUCEHEADER__
diff --git a/src/gui/components/properties/juce_BooleanPropertyComponent.h b/src/gui/components/properties/juce_BooleanPropertyComponent.h
index 655028c1e8..fd3eb153a1 100644
--- a/src/gui/components/properties/juce_BooleanPropertyComponent.h
+++ b/src/gui/components/properties/juce_BooleanPropertyComponent.h
@@ -95,7 +95,7 @@ private:
     void createButton();
 
     BooleanPropertyComponent (const BooleanPropertyComponent&);
-    const BooleanPropertyComponent& operator= (const BooleanPropertyComponent&);
+    BooleanPropertyComponent& operator= (const BooleanPropertyComponent&);
 };
 
 
diff --git a/src/gui/components/properties/juce_ButtonPropertyComponent.h b/src/gui/components/properties/juce_ButtonPropertyComponent.h
index eab59293b6..a7fa949110 100644
--- a/src/gui/components/properties/juce_ButtonPropertyComponent.h
+++ b/src/gui/components/properties/juce_ButtonPropertyComponent.h
@@ -78,7 +78,7 @@ private:
     TextButton* button;
 
     ButtonPropertyComponent (const ButtonPropertyComponent&);
-    const ButtonPropertyComponent& operator= (const ButtonPropertyComponent&);
+    ButtonPropertyComponent& operator= (const ButtonPropertyComponent&);
 };
 
 
diff --git a/src/gui/components/properties/juce_ChoicePropertyComponent.h b/src/gui/components/properties/juce_ChoicePropertyComponent.h
index 56873c800b..3a514ef8fa 100644
--- a/src/gui/components/properties/juce_ChoicePropertyComponent.h
+++ b/src/gui/components/properties/juce_ChoicePropertyComponent.h
@@ -124,7 +124,7 @@ private:
     void createComboBox (const Array <int>* choiceIDs);
 
     ChoicePropertyComponent (const ChoicePropertyComponent&);
-    const ChoicePropertyComponent& operator= (const ChoicePropertyComponent&);
+    ChoicePropertyComponent& operator= (const ChoicePropertyComponent&);
 };
 
 
diff --git a/src/gui/components/properties/juce_SliderPropertyComponent.h b/src/gui/components/properties/juce_SliderPropertyComponent.h
index 1cb7491430..348fa9119c 100644
--- a/src/gui/components/properties/juce_SliderPropertyComponent.h
+++ b/src/gui/components/properties/juce_SliderPropertyComponent.h
@@ -105,7 +105,7 @@ protected:
     Slider* slider;
 
     SliderPropertyComponent (const SliderPropertyComponent&);
-    const SliderPropertyComponent& operator= (const SliderPropertyComponent&);
+    SliderPropertyComponent& operator= (const SliderPropertyComponent&);
 };
 
 
diff --git a/src/gui/components/properties/juce_TextPropertyComponent.h b/src/gui/components/properties/juce_TextPropertyComponent.h
index 5cdafef4a5..7e4ab0482b 100644
--- a/src/gui/components/properties/juce_TextPropertyComponent.h
+++ b/src/gui/components/properties/juce_TextPropertyComponent.h
@@ -94,7 +94,7 @@ private:
     void createEditor (const int maxNumChars, const bool isMultiLine);
 
     TextPropertyComponent (const TextPropertyComponent&);
-    const TextPropertyComponent& operator= (const TextPropertyComponent&);
+    TextPropertyComponent& operator= (const TextPropertyComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp b/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
index 546bee233f..7bdb6668ea 100644
--- a/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
+++ b/src/gui/components/special/juce_AudioDeviceSelectorComponent.cpp
@@ -198,7 +198,7 @@ private:
     }
 
     MidiInputSelectorComponentListBox (const MidiInputSelectorComponentListBox&);
-    const MidiInputSelectorComponentListBox& operator= (const MidiInputSelectorComponentListBox&);
+    MidiInputSelectorComponentListBox& operator= (const MidiInputSelectorComponentListBox&);
 };
 
 
@@ -928,7 +928,7 @@ public:
         }
 
         ChannelSelectorListBox (const ChannelSelectorListBox&);
-        const ChannelSelectorListBox& operator= (const ChannelSelectorListBox&);
+        ChannelSelectorListBox& operator= (const ChannelSelectorListBox&);
     };
 
 private:
@@ -936,7 +936,7 @@ private:
     ChannelSelectorListBox* outputChanList;
 
     AudioDeviceSettingsPanel (const AudioDeviceSettingsPanel&);
-    const AudioDeviceSettingsPanel& operator= (const AudioDeviceSettingsPanel&);
+    AudioDeviceSettingsPanel& operator= (const AudioDeviceSettingsPanel&);
 };
 
 
diff --git a/src/gui/components/special/juce_AudioDeviceSelectorComponent.h b/src/gui/components/special/juce_AudioDeviceSelectorComponent.h
index 16f4d56d9b..2ab38a3d50 100644
--- a/src/gui/components/special/juce_AudioDeviceSelectorComponent.h
+++ b/src/gui/components/special/juce_AudioDeviceSelectorComponent.h
@@ -110,7 +110,7 @@ private:
     Label* midiOutputLabel;
 
     AudioDeviceSelectorComponent (const AudioDeviceSelectorComponent&);
-    const AudioDeviceSelectorComponent& operator= (const AudioDeviceSelectorComponent&);
+    AudioDeviceSelectorComponent& operator= (const AudioDeviceSelectorComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_BubbleComponent.h b/src/gui/components/special/juce_BubbleComponent.h
index 6e1b13b8c8..0e0704fc29 100644
--- a/src/gui/components/special/juce_BubbleComponent.h
+++ b/src/gui/components/special/juce_BubbleComponent.h
@@ -157,7 +157,7 @@ private:
     DropShadowEffect shadow;
 
     BubbleComponent (const BubbleComponent&);
-    const BubbleComponent& operator= (const BubbleComponent&);
+    BubbleComponent& operator= (const BubbleComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_BubbleMessageComponent.h b/src/gui/components/special/juce_BubbleMessageComponent.h
index cba13789f6..c47f85d56b 100644
--- a/src/gui/components/special/juce_BubbleMessageComponent.h
+++ b/src/gui/components/special/juce_BubbleMessageComponent.h
@@ -131,7 +131,7 @@ private:
                const bool deleteSelfAfterUse);
 
     BubbleMessageComponent (const BubbleMessageComponent&);
-    const BubbleMessageComponent& operator= (const BubbleMessageComponent&);
+    BubbleMessageComponent& operator= (const BubbleMessageComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_ColourSelector.cpp b/src/gui/components/special/juce_ColourSelector.cpp
index d7066890e4..1a57be8209 100644
--- a/src/gui/components/special/juce_ColourSelector.cpp
+++ b/src/gui/components/special/juce_ColourSelector.cpp
@@ -61,7 +61,7 @@ public:
 
 private:
     ColourComponentSlider (const ColourComponentSlider&);
-    const ColourComponentSlider& operator= (const ColourComponentSlider&);
+    ColourComponentSlider& operator= (const ColourComponentSlider&);
 };
 
 //==============================================================================
@@ -87,7 +87,7 @@ public:
 
 private:
     ColourSpaceMarker (const ColourSpaceMarker&);
-    const ColourSpaceMarker& operator= (const ColourSpaceMarker&);
+    ColourSpaceMarker& operator= (const ColourSpaceMarker&);
 };
 
 //==============================================================================
@@ -191,7 +191,7 @@ private:
     }
 
     ColourSpaceView (const ColourSpaceView&);
-    const ColourSpaceView& operator= (const ColourSpaceView&);
+    ColourSpaceView& operator= (const ColourSpaceView&);
 };
 
 //==============================================================================
@@ -227,7 +227,7 @@ public:
 
 private:
     HueSelectorMarker (const HueSelectorMarker&);
-    const HueSelectorMarker& operator= (const HueSelectorMarker&);
+    HueSelectorMarker& operator= (const HueSelectorMarker&);
 };
 
 //==============================================================================
@@ -296,7 +296,7 @@ private:
     const int edge;
 
     HueSelectorComp (const HueSelectorComp&);
-    const HueSelectorComp& operator= (const HueSelectorComp&);
+    HueSelectorComp& operator= (const HueSelectorComp&);
 };
 
 //==============================================================================
@@ -351,7 +351,7 @@ private:
     const int index;
 
     SwatchComponent (const SwatchComponent&);
-    const SwatchComponent& operator= (const SwatchComponent&);
+    SwatchComponent& operator= (const SwatchComponent&);
 };
 
 //==============================================================================
diff --git a/src/gui/components/special/juce_ColourSelector.h b/src/gui/components/special/juce_ColourSelector.h
index b49ee0ede3..dce987e401 100644
--- a/src/gui/components/special/juce_ColourSelector.h
+++ b/src/gui/components/special/juce_ColourSelector.h
@@ -157,7 +157,7 @@ private:
     void resized();
 
     ColourSelector (const ColourSelector&);
-    const ColourSelector& operator= (const ColourSelector&);
+    ColourSelector& operator= (const ColourSelector&);
 
     // this constructor is here temporarily to prevent old code compiling, because the parameters
     // have changed - if you get an error here, update your code to use the new constructor instead..
diff --git a/src/gui/components/special/juce_DropShadower.cpp b/src/gui/components/special/juce_DropShadower.cpp
index 7e7641df3a..7a51284db2 100644
--- a/src/gui/components/special/juce_DropShadower.cpp
+++ b/src/gui/components/special/juce_DropShadower.cpp
@@ -116,7 +116,7 @@ public:
 
 private:
     ShadowWindow (const ShadowWindow&);
-    const ShadowWindow& operator= (const ShadowWindow&);
+    ShadowWindow& operator= (const ShadowWindow&);
 };
 
 
diff --git a/src/gui/components/special/juce_DropShadower.h b/src/gui/components/special/juce_DropShadower.h
index 0e7b8258a1..977b4aee63 100644
--- a/src/gui/components/special/juce_DropShadower.h
+++ b/src/gui/components/special/juce_DropShadower.h
@@ -101,7 +101,7 @@ private:
     void deleteShadowWindows();
 
     DropShadower (const DropShadower&);
-    const DropShadower& operator= (const DropShadower&);
+    DropShadower& operator= (const DropShadower&);
 };
 
 
diff --git a/src/gui/components/special/juce_MagnifierComponent.cpp b/src/gui/components/special/juce_MagnifierComponent.cpp
index 8efd5e02be..01336dc8cc 100644
--- a/src/gui/components/special/juce_MagnifierComponent.cpp
+++ b/src/gui/components/special/juce_MagnifierComponent.cpp
@@ -137,7 +137,7 @@ private:
     MagnifierComponent* const magnifierComp;
 
     MagnifyingPeer (const MagnifyingPeer&);
-    const MagnifyingPeer& operator= (const MagnifyingPeer&);
+    MagnifyingPeer& operator= (const MagnifyingPeer&);
 };
 
 
@@ -182,7 +182,7 @@ private:
     MagnifierComponent* const magnifierComp;
 
     PeerHolderComp (const PeerHolderComp&);
-    const PeerHolderComp& operator= (const PeerHolderComp&);
+    PeerHolderComp& operator= (const PeerHolderComp&);
 };
 
 
diff --git a/src/gui/components/special/juce_MagnifierComponent.h b/src/gui/components/special/juce_MagnifierComponent.h
index a025f6bac1..a1f4cdf196 100644
--- a/src/gui/components/special/juce_MagnifierComponent.h
+++ b/src/gui/components/special/juce_MagnifierComponent.h
@@ -114,7 +114,7 @@ private:
     int scaleInt (const int n) const;
 
     MagnifierComponent (const MagnifierComponent&);
-    const MagnifierComponent& operator= (const MagnifierComponent&);
+    MagnifierComponent& operator= (const MagnifierComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_MidiKeyboardComponent.cpp b/src/gui/components/special/juce_MidiKeyboardComponent.cpp
index e466f94a81..4819a2ea3d 100644
--- a/src/gui/components/special/juce_MidiKeyboardComponent.cpp
+++ b/src/gui/components/special/juce_MidiKeyboardComponent.cpp
@@ -73,7 +73,7 @@ private:
     const int delta;
 
     MidiKeyboardUpDownButton (const MidiKeyboardUpDownButton&);
-    const MidiKeyboardUpDownButton& operator= (const MidiKeyboardUpDownButton&);
+    MidiKeyboardUpDownButton& operator= (const MidiKeyboardUpDownButton&);
 };
 
 //==============================================================================
diff --git a/src/gui/components/special/juce_MidiKeyboardComponent.h b/src/gui/components/special/juce_MidiKeyboardComponent.h
index 6b9b1b2fb4..eefaca2aea 100644
--- a/src/gui/components/special/juce_MidiKeyboardComponent.h
+++ b/src/gui/components/special/juce_MidiKeyboardComponent.h
@@ -412,7 +412,7 @@ private:
     void repaintNote (const int midiNoteNumber);
 
     MidiKeyboardComponent (const MidiKeyboardComponent&);
-    const MidiKeyboardComponent& operator= (const MidiKeyboardComponent&);
+    MidiKeyboardComponent& operator= (const MidiKeyboardComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_NSViewComponent.h b/src/gui/components/special/juce_NSViewComponent.h
index 6006bec1d4..27e126ee86 100644
--- a/src/gui/components/special/juce_NSViewComponent.h
+++ b/src/gui/components/special/juce_NSViewComponent.h
@@ -82,7 +82,7 @@ private:
     ScopedPointer <NSViewComponentInternal> info;
 
     NSViewComponent (const NSViewComponent&);
-    const NSViewComponent& operator= (const NSViewComponent&);
+    NSViewComponent& operator= (const NSViewComponent&);
 };
 
 #endif
diff --git a/src/gui/components/special/juce_OpenGLComponent.h b/src/gui/components/special/juce_OpenGLComponent.h
index a9d978076f..32514df3fb 100644
--- a/src/gui/components/special/juce_OpenGLComponent.h
+++ b/src/gui/components/special/juce_OpenGLComponent.h
@@ -347,7 +347,7 @@ private:
     void internalRepaint (int x, int y, int w, int h);
 
     OpenGLComponent (const OpenGLComponent&);
-    const OpenGLComponent& operator= (const OpenGLComponent&);
+    OpenGLComponent& operator= (const OpenGLComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_PreferencesPanel.cpp b/src/gui/components/special/juce_PreferencesPanel.cpp
index 3749263cc2..3c3e4b06d0 100644
--- a/src/gui/components/special/juce_PreferencesPanel.cpp
+++ b/src/gui/components/special/juce_PreferencesPanel.cpp
@@ -103,7 +103,7 @@ public:
 
 private:
     PrefsDialogWindow (const PrefsDialogWindow&);
-    const PrefsDialogWindow& operator= (const PrefsDialogWindow&);
+    PrefsDialogWindow& operator= (const PrefsDialogWindow&);
 };
 
 //==============================================================================
diff --git a/src/gui/components/special/juce_PreferencesPanel.h b/src/gui/components/special/juce_PreferencesPanel.h
index 29804de89c..c9b4fbe2b1 100644
--- a/src/gui/components/special/juce_PreferencesPanel.h
+++ b/src/gui/components/special/juce_PreferencesPanel.h
@@ -141,7 +141,7 @@ private:
     int buttonSize;
 
     PreferencesPanel (const PreferencesPanel&);
-    const PreferencesPanel& operator= (const PreferencesPanel&);
+    PreferencesPanel& operator= (const PreferencesPanel&);
 };
 
 
diff --git a/src/gui/components/special/juce_QuickTimeMovieComponent.h b/src/gui/components/special/juce_QuickTimeMovieComponent.h
index 1abff381b7..598e03f79c 100644
--- a/src/gui/components/special/juce_QuickTimeMovieComponent.h
+++ b/src/gui/components/special/juce_QuickTimeMovieComponent.h
@@ -222,7 +222,7 @@ private:
 #endif
 
     QuickTimeMovieComponent (const QuickTimeMovieComponent&);
-    const QuickTimeMovieComponent& operator= (const QuickTimeMovieComponent&);
+    QuickTimeMovieComponent& operator= (const QuickTimeMovieComponent&);
 };
 
 #endif
diff --git a/src/gui/components/special/juce_SystemTrayIconComponent.h b/src/gui/components/special/juce_SystemTrayIconComponent.h
index 1b065a88e7..8abc0b690c 100644
--- a/src/gui/components/special/juce_SystemTrayIconComponent.h
+++ b/src/gui/components/special/juce_SystemTrayIconComponent.h
@@ -76,7 +76,7 @@ public:
 private:
     //==============================================================================
     SystemTrayIconComponent (const SystemTrayIconComponent&);
-    const SystemTrayIconComponent& operator= (const SystemTrayIconComponent&);
+    SystemTrayIconComponent& operator= (const SystemTrayIconComponent&);
 };
 
 
diff --git a/src/gui/components/special/juce_WebBrowserComponent.h b/src/gui/components/special/juce_WebBrowserComponent.h
index 7f1bf06b3a..3a2c574ad8 100644
--- a/src/gui/components/special/juce_WebBrowserComponent.h
+++ b/src/gui/components/special/juce_WebBrowserComponent.h
@@ -125,7 +125,7 @@ private:
     void checkWindowAssociation();
 
     WebBrowserComponent (const WebBrowserComponent&);
-    const WebBrowserComponent& operator= (const WebBrowserComponent&);
+    WebBrowserComponent& operator= (const WebBrowserComponent&);
 };
 
 
diff --git a/src/gui/components/windows/juce_AlertWindow.cpp b/src/gui/components/windows/juce_AlertWindow.cpp
index 1471f737fe..6051121f07 100644
--- a/src/gui/components/windows/juce_AlertWindow.cpp
+++ b/src/gui/components/windows/juce_AlertWindow.cpp
@@ -72,7 +72,7 @@ public:
 
 private:
     AlertWindowTextEditor (const AlertWindowTextEditor&);
-    const AlertWindowTextEditor& operator= (const AlertWindowTextEditor&);
+    AlertWindowTextEditor& operator= (const AlertWindowTextEditor&);
 };
 
 #if JUCE_LINUX
@@ -255,11 +255,6 @@ ComboBox* AlertWindow::getComboBoxComponent (const String& nameOfList) const
 //==============================================================================
 class AlertTextComp : public TextEditor
 {
-    AlertTextComp (const AlertTextComp&);
-    const AlertTextComp& operator= (const AlertTextComp&);
-
-    int bestWidth;
-
 public:
     AlertTextComp (const String& message,
                    const Font& font)
@@ -294,6 +289,12 @@ public:
         text.layout (width - 8, Justification::topLeft, true);
         setSize (width, jmin (width, text.getHeight() + (int) getFont().getHeight()));
     }
+
+private:
+    int bestWidth;
+
+    AlertTextComp (const AlertTextComp&);
+    AlertTextComp& operator= (const AlertTextComp&);
 };
 
 void AlertWindow::addTextBlock (const String& text)
diff --git a/src/gui/components/windows/juce_AlertWindow.h b/src/gui/components/windows/juce_AlertWindow.h
index b6ec7d9f1b..b0fc5bf4ad 100644
--- a/src/gui/components/windows/juce_AlertWindow.h
+++ b/src/gui/components/windows/juce_AlertWindow.h
@@ -369,7 +369,7 @@ private:
 
     // disable copy constructor
     AlertWindow (const AlertWindow&);
-    const AlertWindow& operator= (const AlertWindow&);
+    AlertWindow& operator= (const AlertWindow&);
 };
 
 #endif   // __JUCE_ALERTWINDOW_JUCEHEADER__
diff --git a/src/gui/components/windows/juce_ComponentPeer.h b/src/gui/components/windows/juce_ComponentPeer.h
index 579182bce1..76240225e6 100644
--- a/src/gui/components/windows/juce_ComponentPeer.h
+++ b/src/gui/components/windows/juce_ComponentPeer.h
@@ -389,7 +389,7 @@ private:
     void setLastDragDropTarget (Component* comp);
 
     ComponentPeer (const ComponentPeer&);
-    const ComponentPeer& operator= (const ComponentPeer&);
+    ComponentPeer& operator= (const ComponentPeer&);
 };
 
 
diff --git a/src/gui/components/windows/juce_DialogWindow.cpp b/src/gui/components/windows/juce_DialogWindow.cpp
index 3905d1e895..64aeb22fa1 100644
--- a/src/gui/components/windows/juce_DialogWindow.cpp
+++ b/src/gui/components/windows/juce_DialogWindow.cpp
@@ -81,7 +81,7 @@ public:
 
 private:
     TempDialogWindow (const TempDialogWindow&);
-    const TempDialogWindow& operator= (const TempDialogWindow&);
+    TempDialogWindow& operator= (const TempDialogWindow&);
 
 };
 
diff --git a/src/gui/components/windows/juce_DialogWindow.h b/src/gui/components/windows/juce_DialogWindow.h
index d5ffa9c7a7..a3bcf09deb 100644
--- a/src/gui/components/windows/juce_DialogWindow.h
+++ b/src/gui/components/windows/juce_DialogWindow.h
@@ -131,7 +131,7 @@ private:
     bool escapeKeyTriggersCloseButton;
 
     DialogWindow (const DialogWindow&);
-    const DialogWindow& operator= (const DialogWindow&);
+    DialogWindow& operator= (const DialogWindow&);
 };
 
 #endif   // __JUCE_DIALOGWINDOW_JUCEHEADER__
diff --git a/src/gui/components/windows/juce_DocumentWindow.h b/src/gui/components/windows/juce_DocumentWindow.h
index 41245451c6..5fabfc7910 100644
--- a/src/gui/components/windows/juce_DocumentWindow.h
+++ b/src/gui/components/windows/juce_DocumentWindow.h
@@ -260,7 +260,7 @@ private:
     void repaintTitleBar();
 
     DocumentWindow (const DocumentWindow&);
-    const DocumentWindow& operator= (const DocumentWindow&);
+    DocumentWindow& operator= (const DocumentWindow&);
 };
 
 
diff --git a/src/gui/components/windows/juce_ResizableWindow.h b/src/gui/components/windows/juce_ResizableWindow.h
index 5bd04bf6bc..b4da73d3fd 100644
--- a/src/gui/components/windows/juce_ResizableWindow.h
+++ b/src/gui/components/windows/juce_ResizableWindow.h
@@ -355,7 +355,7 @@ private:
     void updateLastPos();
 
     ResizableWindow (const ResizableWindow&);
-    const ResizableWindow& operator= (const ResizableWindow&);
+    ResizableWindow& operator= (const ResizableWindow&);
 
     // (xxx remove these eventually)
     // temporarily here to stop old code compiling, as the parameters for these methods have changed..
diff --git a/src/gui/components/windows/juce_SplashScreen.h b/src/gui/components/windows/juce_SplashScreen.h
index 7b7d77b181..5171c95a8e 100644
--- a/src/gui/components/windows/juce_SplashScreen.h
+++ b/src/gui/components/windows/juce_SplashScreen.h
@@ -146,7 +146,7 @@ private:
     int originalClickCounter;
 
     SplashScreen (const SplashScreen&);
-    const SplashScreen& operator= (const SplashScreen&);
+    SplashScreen& operator= (const SplashScreen&);
 };
 
 
diff --git a/src/gui/components/windows/juce_ThreadWithProgressWindow.h b/src/gui/components/windows/juce_ThreadWithProgressWindow.h
index ef6951e39f..32da58fd84 100644
--- a/src/gui/components/windows/juce_ThreadWithProgressWindow.h
+++ b/src/gui/components/windows/juce_ThreadWithProgressWindow.h
@@ -159,7 +159,7 @@ private:
     const int timeOutMsWhenCancelling;
 
     ThreadWithProgressWindow (const ThreadWithProgressWindow&);
-    const ThreadWithProgressWindow& operator= (const ThreadWithProgressWindow&);
+    ThreadWithProgressWindow& operator= (const ThreadWithProgressWindow&);
 };
 
 #endif   // __JUCE_THREADWITHPROGRESSWINDOW_JUCEHEADER__
diff --git a/src/gui/components/windows/juce_TooltipWindow.h b/src/gui/components/windows/juce_TooltipWindow.h
index 26b1a91ed0..fe250baf5c 100644
--- a/src/gui/components/windows/juce_TooltipWindow.h
+++ b/src/gui/components/windows/juce_TooltipWindow.h
@@ -116,7 +116,7 @@ private:
     void hide();
 
     TooltipWindow (const TooltipWindow&);
-    const TooltipWindow& operator= (const TooltipWindow&);
+    TooltipWindow& operator= (const TooltipWindow&);
 };
 
 
diff --git a/src/gui/components/windows/juce_TopLevelWindow.cpp b/src/gui/components/windows/juce_TopLevelWindow.cpp
index 3d928694d4..1b9a690aba 100644
--- a/src/gui/components/windows/juce_TopLevelWindow.cpp
+++ b/src/gui/components/windows/juce_TopLevelWindow.cpp
@@ -129,7 +129,7 @@ private:
     }
 
     TopLevelWindowManager (const TopLevelWindowManager&);
-    const TopLevelWindowManager& operator= (const TopLevelWindowManager&);
+    TopLevelWindowManager& operator= (const TopLevelWindowManager&);
 };
 
 juce_ImplementSingleton_SingleThreaded (TopLevelWindowManager)
diff --git a/src/gui/components/windows/juce_TopLevelWindow.h b/src/gui/components/windows/juce_TopLevelWindow.h
index bf3110c5ef..ca40aaa096 100644
--- a/src/gui/components/windows/juce_TopLevelWindow.h
+++ b/src/gui/components/windows/juce_TopLevelWindow.h
@@ -165,7 +165,7 @@ private:
     void setWindowActive (const bool isNowActive) throw();
 
     TopLevelWindow (const TopLevelWindow&);
-    const TopLevelWindow& operator= (const TopLevelWindow&);
+    TopLevelWindow& operator= (const TopLevelWindow&);
 };
 
 
diff --git a/src/gui/graphics/colour/juce_Colour.cpp b/src/gui/graphics/colour/juce_Colour.cpp
index 18bd7fbb35..eadaee2c38 100644
--- a/src/gui/graphics/colour/juce_Colour.cpp
+++ b/src/gui/graphics/colour/juce_Colour.cpp
@@ -50,7 +50,7 @@ Colour::Colour (const Colour& other) throw()
 {
 }
 
-const Colour& Colour::operator= (const Colour& other) throw()
+Colour& Colour::operator= (const Colour& other) throw()
 {
     argb = other.argb;
     return *this;
diff --git a/src/gui/graphics/colour/juce_Colour.h b/src/gui/graphics/colour/juce_Colour.h
index 92219a4c90..f0240e465f 100644
--- a/src/gui/graphics/colour/juce_Colour.h
+++ b/src/gui/graphics/colour/juce_Colour.h
@@ -131,7 +131,7 @@ public:
     ~Colour() throw();
 
     /** Copies another Colour object. */
-    const Colour& operator= (const Colour& other) throw();
+    Colour& operator= (const Colour& other) throw();
 
     /** Compares two colours. */
     bool operator== (const Colour& other) const throw();
diff --git a/src/gui/graphics/contexts/juce_EdgeTable.cpp b/src/gui/graphics/contexts/juce_EdgeTable.cpp
index fab42c4eca..e5121121fc 100644
--- a/src/gui/graphics/contexts/juce_EdgeTable.cpp
+++ b/src/gui/graphics/contexts/juce_EdgeTable.cpp
@@ -249,7 +249,7 @@ EdgeTable::EdgeTable (const EdgeTable& other) throw()
     operator= (other);
 }
 
-const EdgeTable& EdgeTable::operator= (const EdgeTable& other) throw()
+EdgeTable& EdgeTable::operator= (const EdgeTable& other) throw()
 {
     bounds = other.bounds;
     maxEdgesPerLine = other.maxEdgesPerLine;
diff --git a/src/gui/graphics/contexts/juce_EdgeTable.h b/src/gui/graphics/contexts/juce_EdgeTable.h
index 930a8d4d66..9380e7f78d 100644
--- a/src/gui/graphics/contexts/juce_EdgeTable.h
+++ b/src/gui/graphics/contexts/juce_EdgeTable.h
@@ -74,7 +74,7 @@ public:
     EdgeTable (const EdgeTable& other) throw();
 
     /** Copies from another edge table. */
-    const EdgeTable& operator= (const EdgeTable& other) throw();
+    EdgeTable& operator= (const EdgeTable& other) throw();
 
     /** Destructor. */
     ~EdgeTable() throw();
diff --git a/src/gui/graphics/contexts/juce_FillType.cpp b/src/gui/graphics/contexts/juce_FillType.cpp
index 950adad96b..e7be4949e6 100644
--- a/src/gui/graphics/contexts/juce_FillType.cpp
+++ b/src/gui/graphics/contexts/juce_FillType.cpp
@@ -59,7 +59,7 @@ FillType::FillType (const FillType& other) throw()
 {
 }
 
-const FillType& FillType::operator= (const FillType& other) throw()
+FillType& FillType::operator= (const FillType& other) throw()
 {
     if (this != &other)
     {
diff --git a/src/gui/graphics/contexts/juce_FillType.h b/src/gui/graphics/contexts/juce_FillType.h
index 760cf716bc..78d367ed18 100644
--- a/src/gui/graphics/contexts/juce_FillType.h
+++ b/src/gui/graphics/contexts/juce_FillType.h
@@ -66,7 +66,7 @@ public:
     FillType (const FillType& other) throw();
 
     /** Makes a copy of another FillType. */
-    const FillType& operator= (const FillType& other) throw();
+    FillType& operator= (const FillType& other) throw();
 
     /** Destructor. */
     ~FillType() throw();
diff --git a/src/gui/graphics/contexts/juce_Graphics.h b/src/gui/graphics/contexts/juce_Graphics.h
index ea09745572..b3f2cd3916 100644
--- a/src/gui/graphics/contexts/juce_Graphics.h
+++ b/src/gui/graphics/contexts/juce_Graphics.h
@@ -722,8 +722,8 @@ private:
     bool saveStatePending;
     void saveStateIfPending() throw();
 
-    const Graphics& operator= (const Graphics& other);
     Graphics (const Graphics&);
+    Graphics& operator= (const Graphics& other);
 };
 
 
diff --git a/src/gui/graphics/contexts/juce_Justification.cpp b/src/gui/graphics/contexts/juce_Justification.cpp
index 1fc77234bb..97ed5e186f 100644
--- a/src/gui/graphics/contexts/juce_Justification.cpp
+++ b/src/gui/graphics/contexts/juce_Justification.cpp
@@ -37,7 +37,7 @@ Justification::Justification (const Justification& other) throw()
 {
 }
 
-const Justification& Justification::operator= (const Justification& other) throw()
+Justification& Justification::operator= (const Justification& other) throw()
 {
     flags = other.flags;
     return *this;
diff --git a/src/gui/graphics/contexts/juce_Justification.h b/src/gui/graphics/contexts/juce_Justification.h
index 4dd894c7df..0b0cf6f869 100644
--- a/src/gui/graphics/contexts/juce_Justification.h
+++ b/src/gui/graphics/contexts/juce_Justification.h
@@ -47,7 +47,7 @@ public:
     Justification (const Justification& other) throw();
 
     /** Copies another Justification object. */
-    const Justification& operator= (const Justification& other) throw();
+    Justification& operator= (const Justification& other) throw();
 
 
     //==============================================================================
diff --git a/src/gui/graphics/contexts/juce_LowLevelGraphicsPostScriptRenderer.h b/src/gui/graphics/contexts/juce_LowLevelGraphicsPostScriptRenderer.h
index 41551f0dd6..7785a2c686 100644
--- a/src/gui/graphics/contexts/juce_LowLevelGraphicsPostScriptRenderer.h
+++ b/src/gui/graphics/contexts/juce_LowLevelGraphicsPostScriptRenderer.h
@@ -106,7 +106,7 @@ protected:
         Font font;
 
     private:
-        const SavedState& operator= (const SavedState&);
+        SavedState& operator= (const SavedState&);
     };
 
     OwnedArray <SavedState> stateStack;
@@ -119,7 +119,7 @@ protected:
     void writeImage (const Image& im, const int sx, const int sy, const int maxW, const int maxH) const;
 
     LowLevelGraphicsPostScriptRenderer (const LowLevelGraphicsPostScriptRenderer& other);
-    const LowLevelGraphicsPostScriptRenderer& operator= (const LowLevelGraphicsPostScriptRenderer&);
+    LowLevelGraphicsPostScriptRenderer& operator= (const LowLevelGraphicsPostScriptRenderer&);
 };
 
 
diff --git a/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.cpp b/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.cpp
index 68920865ef..e050cf4024 100644
--- a/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.cpp
+++ b/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.cpp
@@ -165,7 +165,7 @@ private:
     }
 
     SolidColourEdgeTableRenderer (const SolidColourEdgeTableRenderer&);
-    const SolidColourEdgeTableRenderer& operator= (const SolidColourEdgeTableRenderer&);
+    SolidColourEdgeTableRenderer& operator= (const SolidColourEdgeTableRenderer&);
 };
 
 //==============================================================================
@@ -246,7 +246,7 @@ private:
     enum { numScaleBits = 12 };
 
     LinearGradientPixelGenerator (const LinearGradientPixelGenerator&);
-    const LinearGradientPixelGenerator& operator= (const LinearGradientPixelGenerator&);
+    LinearGradientPixelGenerator& operator= (const LinearGradientPixelGenerator&);
 };
 
 //==============================================================================
@@ -290,7 +290,7 @@ protected:
     double maxDist, invScale, dy;
 
     RadialGradientPixelGenerator (const RadialGradientPixelGenerator&);
-    const RadialGradientPixelGenerator& operator= (const RadialGradientPixelGenerator&);
+    RadialGradientPixelGenerator& operator= (const RadialGradientPixelGenerator&);
 };
 
 //==============================================================================
@@ -331,7 +331,7 @@ private:
     const AffineTransform inverseTransform;
 
     TransformedRadialGradientPixelGenerator (const TransformedRadialGradientPixelGenerator&);
-    const TransformedRadialGradientPixelGenerator& operator= (const TransformedRadialGradientPixelGenerator&);
+    TransformedRadialGradientPixelGenerator& operator= (const TransformedRadialGradientPixelGenerator&);
 };
 
 //==============================================================================
@@ -382,7 +382,7 @@ private:
     PixelType* linePixels;
 
     GradientEdgeTableRenderer (const GradientEdgeTableRenderer&);
-    const GradientEdgeTableRenderer& operator= (const GradientEdgeTableRenderer&);
+    GradientEdgeTableRenderer& operator= (const GradientEdgeTableRenderer&);
 };
 
 //==============================================================================
@@ -496,7 +496,7 @@ private:
     }
 
     ImageFillEdgeTableRenderer (const ImageFillEdgeTableRenderer&);
-    const ImageFillEdgeTableRenderer& operator= (const ImageFillEdgeTableRenderer&);
+    ImageFillEdgeTableRenderer& operator= (const ImageFillEdgeTableRenderer&);
 };
 
 //==============================================================================
@@ -877,7 +877,7 @@ private:
         BresenhamInterpolator xBresenham, yBresenham;
 
         TransformedImageSpanInterpolator (const TransformedImageSpanInterpolator&);
-        const TransformedImageSpanInterpolator& operator= (const TransformedImageSpanInterpolator&);
+        TransformedImageSpanInterpolator& operator= (const TransformedImageSpanInterpolator&);
     };
 
     //==============================================================================
@@ -894,7 +894,7 @@ private:
     int scratchSize;
 
     TransformedImageFillEdgeTableRenderer (const TransformedImageFillEdgeTableRenderer&);
-    const TransformedImageFillEdgeTableRenderer& operator= (const TransformedImageFillEdgeTableRenderer&);
+    TransformedImageFillEdgeTableRenderer& operator= (const TransformedImageFillEdgeTableRenderer&);
 };
 
 //==============================================================================
@@ -1165,7 +1165,7 @@ public:
     Graphics::ResamplingQuality interpolationQuality;
 
 private:
-    const LLGCSavedState& operator= (const LLGCSavedState&);
+    LLGCSavedState& operator= (const LLGCSavedState&);
 
     void dupeEdgeTableIfMultiplyReferenced() throw()
     {
@@ -1608,7 +1608,7 @@ public:
         ScopedPointer <EdgeTable> edgeTable;
 
         CachedGlyph (const CachedGlyph&);
-        const CachedGlyph& operator= (const CachedGlyph&);
+        CachedGlyph& operator= (const CachedGlyph&);
     };
 
     //==============================================================================
@@ -1619,7 +1619,7 @@ private:
     int accessCounter, hits, misses;
 
     GlyphCache (const GlyphCache&);
-    const GlyphCache& operator= (const GlyphCache&);
+    GlyphCache& operator= (const GlyphCache&);
 };
 
 juce_ImplementSingleton_SingleThreaded (GlyphCache);
diff --git a/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.h b/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.h
index 0b87f3eca8..30c3f270b8 100644
--- a/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.h
+++ b/src/gui/graphics/contexts/juce_LowLevelGraphicsSoftwareRenderer.h
@@ -96,7 +96,7 @@ protected:
     OwnedArray <LLGCSavedState> stateStack;
 
     LowLevelGraphicsSoftwareRenderer (const LowLevelGraphicsSoftwareRenderer& other);
-    const LowLevelGraphicsSoftwareRenderer& operator= (const LowLevelGraphicsSoftwareRenderer&);
+    LowLevelGraphicsSoftwareRenderer& operator= (const LowLevelGraphicsSoftwareRenderer&);
 };
 
 
diff --git a/src/gui/graphics/contexts/juce_RectanglePlacement.cpp b/src/gui/graphics/contexts/juce_RectanglePlacement.cpp
index 5695883e92..ba051405c0 100644
--- a/src/gui/graphics/contexts/juce_RectanglePlacement.cpp
+++ b/src/gui/graphics/contexts/juce_RectanglePlacement.cpp
@@ -36,7 +36,7 @@ RectanglePlacement::RectanglePlacement (const RectanglePlacement& other) throw()
 {
 }
 
-const RectanglePlacement& RectanglePlacement::operator= (const RectanglePlacement& other) throw()
+RectanglePlacement& RectanglePlacement::operator= (const RectanglePlacement& other) throw()
 {
     flags = other.flags;
     return *this;
diff --git a/src/gui/graphics/contexts/juce_RectanglePlacement.h b/src/gui/graphics/contexts/juce_RectanglePlacement.h
index 5fb10fd0c7..98c801afb6 100644
--- a/src/gui/graphics/contexts/juce_RectanglePlacement.h
+++ b/src/gui/graphics/contexts/juce_RectanglePlacement.h
@@ -48,7 +48,7 @@ public:
     RectanglePlacement (const RectanglePlacement& other) throw();
 
     /** Copies another Justification object. */
-    const RectanglePlacement& operator= (const RectanglePlacement& other) throw();
+    RectanglePlacement& operator= (const RectanglePlacement& other) throw();
 
     //==============================================================================
     /** Flag values that can be combined and used in the constructor. */
diff --git a/src/gui/graphics/drawables/juce_Drawable.h b/src/gui/graphics/drawables/juce_Drawable.h
index 945156f0ec..c0cef98e54 100644
--- a/src/gui/graphics/drawables/juce_Drawable.h
+++ b/src/gui/graphics/drawables/juce_Drawable.h
@@ -117,7 +117,7 @@ public:
         float opacity;
 
     private:
-        const RenderingContext& operator= (const RenderingContext&);
+        RenderingContext& operator= (const RenderingContext&);
     };
 
     /** Renders this Drawable object.
@@ -197,7 +197,7 @@ public:
 
 private:
     Drawable (const Drawable&);
-    const Drawable& operator= (const Drawable&);
+    Drawable& operator= (const Drawable&);
 
     String name;
 };
diff --git a/src/gui/graphics/drawables/juce_DrawableComposite.h b/src/gui/graphics/drawables/juce_DrawableComposite.h
index 265f6c460b..b97a5fbcde 100644
--- a/src/gui/graphics/drawables/juce_DrawableComposite.h
+++ b/src/gui/graphics/drawables/juce_DrawableComposite.h
@@ -152,7 +152,7 @@ private:
     OwnedArray <AffineTransform> transforms;
 
     DrawableComposite (const DrawableComposite&);
-    const DrawableComposite& operator= (const DrawableComposite&);
+    DrawableComposite& operator= (const DrawableComposite&);
 };
 
 
diff --git a/src/gui/graphics/drawables/juce_DrawableImage.h b/src/gui/graphics/drawables/juce_DrawableImage.h
index 616664ab5d..903876a790 100644
--- a/src/gui/graphics/drawables/juce_DrawableImage.h
+++ b/src/gui/graphics/drawables/juce_DrawableImage.h
@@ -122,7 +122,7 @@ private:
     Colour overlayColour;
 
     DrawableImage (const DrawableImage&);
-    const DrawableImage& operator= (const DrawableImage&);
+    DrawableImage& operator= (const DrawableImage&);
 };
 
 
diff --git a/src/gui/graphics/drawables/juce_DrawablePath.h b/src/gui/graphics/drawables/juce_DrawablePath.h
index 287f7f487f..f900becc58 100644
--- a/src/gui/graphics/drawables/juce_DrawablePath.h
+++ b/src/gui/graphics/drawables/juce_DrawablePath.h
@@ -122,7 +122,7 @@ private:
     void updateOutline();
 
     DrawablePath (const DrawablePath&);
-    const DrawablePath& operator= (const DrawablePath&);
+    DrawablePath& operator= (const DrawablePath&);
 };
 
 
diff --git a/src/gui/graphics/drawables/juce_DrawableText.h b/src/gui/graphics/drawables/juce_DrawableText.h
index ef82404a80..8c7f9e8290 100644
--- a/src/gui/graphics/drawables/juce_DrawableText.h
+++ b/src/gui/graphics/drawables/juce_DrawableText.h
@@ -90,7 +90,7 @@ private:
     Colour colour;
 
     DrawableText (const DrawableText&);
-    const DrawableText& operator= (const DrawableText&);
+    DrawableText& operator= (const DrawableText&);
 };
 
 
diff --git a/src/gui/graphics/drawables/juce_SVGParser.cpp b/src/gui/graphics/drawables/juce_SVGParser.cpp
index 27f2484772..9a6f7810c5 100644
--- a/src/gui/graphics/drawables/juce_SVGParser.cpp
+++ b/src/gui/graphics/drawables/juce_SVGParser.cpp
@@ -1291,7 +1291,7 @@ private:
         return 0;
     }
 
-    const SVGState& operator= (const SVGState&);
+    SVGState& operator= (const SVGState&);
 };
 
 
diff --git a/src/gui/graphics/fonts/juce_Font.cpp b/src/gui/graphics/fonts/juce_Font.cpp
index 24549c48f7..298ed4d509 100644
--- a/src/gui/graphics/fonts/juce_Font.cpp
+++ b/src/gui/graphics/fonts/juce_Font.cpp
@@ -98,7 +98,7 @@ Font::Font (const Font& other) throw()
 {
 }
 
-const Font& Font::operator= (const Font& other) throw()
+Font& Font::operator= (const Font& other) throw()
 {
     font = other.font;
     return *this;
@@ -417,7 +417,7 @@ private:
     OwnedArray <CachedFace> faces;
 
     TypefaceCache (const TypefaceCache&);
-    const TypefaceCache& operator= (const TypefaceCache&);
+    TypefaceCache& operator= (const TypefaceCache&);
 };
 
 juce_ImplementSingleton_SingleThreaded (TypefaceCache)
diff --git a/src/gui/graphics/fonts/juce_Font.h b/src/gui/graphics/fonts/juce_Font.h
index 22db2f7209..a444c53c86 100644
--- a/src/gui/graphics/fonts/juce_Font.h
+++ b/src/gui/graphics/fonts/juce_Font.h
@@ -98,7 +98,7 @@ public:
     Font() throw();
 
     /** Copies this font from another one. */
-    const Font& operator= (const Font& other) throw();
+    Font& operator= (const Font& other) throw();
 
     bool operator== (const Font& other) const throw();
     bool operator!= (const Font& other) const throw();
diff --git a/src/gui/graphics/fonts/juce_GlyphArrangement.cpp b/src/gui/graphics/fonts/juce_GlyphArrangement.cpp
index 50cd67390d..4c3ab227e2 100644
--- a/src/gui/graphics/fonts/juce_GlyphArrangement.cpp
+++ b/src/gui/graphics/fonts/juce_GlyphArrangement.cpp
@@ -118,7 +118,7 @@ GlyphArrangement::GlyphArrangement (const GlyphArrangement& other)
     addGlyphArrangement (other);
 }
 
-const GlyphArrangement& GlyphArrangement::operator= (const GlyphArrangement& other)
+GlyphArrangement& GlyphArrangement::operator= (const GlyphArrangement& other)
 {
     if (this != &other)
     {
diff --git a/src/gui/graphics/fonts/juce_GlyphArrangement.h b/src/gui/graphics/fonts/juce_GlyphArrangement.h
index 4550d4ea1e..2b53809af8 100644
--- a/src/gui/graphics/fonts/juce_GlyphArrangement.h
+++ b/src/gui/graphics/fonts/juce_GlyphArrangement.h
@@ -117,7 +117,7 @@ public:
 
         To add another arrangement without clearing this one, use addGlyphArrangement().
     */
-    const GlyphArrangement& operator= (const GlyphArrangement& other);
+    GlyphArrangement& operator= (const GlyphArrangement& other);
 
     /** Destructor. */
     ~GlyphArrangement();
diff --git a/src/gui/graphics/fonts/juce_TextLayout.cpp b/src/gui/graphics/fonts/juce_TextLayout.cpp
index ec18069802..6bd96b0355 100644
--- a/src/gui/graphics/fonts/juce_TextLayout.cpp
+++ b/src/gui/graphics/fonts/juce_TextLayout.cpp
@@ -112,7 +112,7 @@ TextLayout::TextLayout (const TextLayout& other) throw()
     *this = other;
 }
 
-const TextLayout& TextLayout::operator= (const TextLayout& other) throw()
+TextLayout& TextLayout::operator= (const TextLayout& other) throw()
 {
     if (this != &other)
     {
diff --git a/src/gui/graphics/fonts/juce_TextLayout.h b/src/gui/graphics/fonts/juce_TextLayout.h
index 279e55fcee..8b167bfc64 100644
--- a/src/gui/graphics/fonts/juce_TextLayout.h
+++ b/src/gui/graphics/fonts/juce_TextLayout.h
@@ -66,7 +66,7 @@ public:
     ~TextLayout() throw();
 
     /** Copies another layout onto this one. */
-    const TextLayout& operator= (const TextLayout& layoutToCopy) throw();
+    TextLayout& operator= (const TextLayout& layoutToCopy) throw();
 
     //==============================================================================
     /** Clears the layout, removing all its text. */
diff --git a/src/gui/graphics/fonts/juce_Typeface.cpp b/src/gui/graphics/fonts/juce_Typeface.cpp
index c0a5e3e540..d9cf68e545 100644
--- a/src/gui/graphics/fonts/juce_Typeface.cpp
+++ b/src/gui/graphics/fonts/juce_Typeface.cpp
@@ -93,7 +93,7 @@ public:
 
 private:
     GlyphInfo (const GlyphInfo&);
-    const GlyphInfo& operator= (const GlyphInfo&);
+    GlyphInfo& operator= (const GlyphInfo&);
 };
 
 //==============================================================================
diff --git a/src/gui/graphics/fonts/juce_Typeface.h b/src/gui/graphics/fonts/juce_Typeface.h
index e995112725..6806872d75 100644
--- a/src/gui/graphics/fonts/juce_Typeface.h
+++ b/src/gui/graphics/fonts/juce_Typeface.h
@@ -116,7 +116,7 @@ protected:
 
 private:
     Typeface (const Typeface&);
-    const Typeface& operator= (const Typeface&);
+    Typeface& operator= (const Typeface&);
 };
 
 //==============================================================================
@@ -225,7 +225,7 @@ private:
     short lookupTable [128];
 
     CustomTypeface (const CustomTypeface&);
-    const CustomTypeface& operator= (const CustomTypeface&);
+    CustomTypeface& operator= (const CustomTypeface&);
 
     GlyphInfo* findGlyph (const juce_wchar character, const bool loadIfNeeded) throw();
     GlyphInfo* findGlyphSubstituting (const juce_wchar character) throw();
diff --git a/src/gui/graphics/geometry/juce_AffineTransform.cpp b/src/gui/graphics/geometry/juce_AffineTransform.cpp
index 760d6b84e8..0ffce5001b 100644
--- a/src/gui/graphics/geometry/juce_AffineTransform.cpp
+++ b/src/gui/graphics/geometry/juce_AffineTransform.cpp
@@ -67,7 +67,7 @@ AffineTransform::AffineTransform (const float mat00_,
 {
 }
 
-const AffineTransform& AffineTransform::operator= (const AffineTransform& other) throw()
+AffineTransform& AffineTransform::operator= (const AffineTransform& other) throw()
 {
     mat00 = other.mat00;
     mat01 = other.mat01;
diff --git a/src/gui/graphics/geometry/juce_AffineTransform.h b/src/gui/graphics/geometry/juce_AffineTransform.h
index 9df9d7c68e..ff895426e2 100644
--- a/src/gui/graphics/geometry/juce_AffineTransform.h
+++ b/src/gui/graphics/geometry/juce_AffineTransform.h
@@ -60,7 +60,7 @@ public:
                      const float mat10, const float mat11, const float mat12) throw();
 
     /** Copies from another AffineTransform object */
-    const AffineTransform& operator= (const AffineTransform& other) throw();
+    AffineTransform& operator= (const AffineTransform& other) throw();
 
     /** Compares two transforms. */
     bool operator== (const AffineTransform& other) const throw();
diff --git a/src/gui/graphics/geometry/juce_Line.cpp b/src/gui/graphics/geometry/juce_Line.cpp
index e51297d90b..86a4cb82ae 100644
--- a/src/gui/graphics/geometry/juce_Line.cpp
+++ b/src/gui/graphics/geometry/juce_Line.cpp
@@ -145,7 +145,7 @@ Line::Line (const Point<float>& start,
 {
 }
 
-const Line& Line::operator= (const Line& other) throw()
+Line& Line::operator= (const Line& other) throw()
 {
     startX = other.startX;
     startY = other.startY;
diff --git a/src/gui/graphics/geometry/juce_Line.h b/src/gui/graphics/geometry/juce_Line.h
index 7aaf8a1a5d..7660e1edc6 100644
--- a/src/gui/graphics/geometry/juce_Line.h
+++ b/src/gui/graphics/geometry/juce_Line.h
@@ -60,7 +60,7 @@ public:
           const Point<float>& end) throw();
 
     /** Copies a line from another one. */
-    const Line& operator= (const Line& other) throw();
+    Line& operator= (const Line& other) throw();
 
     /** Destructor. */
     ~Line() throw();
diff --git a/src/gui/graphics/geometry/juce_Path.cpp b/src/gui/graphics/geometry/juce_Path.cpp
index 54318ddbbd..5a5612b13a 100644
--- a/src/gui/graphics/geometry/juce_Path.cpp
+++ b/src/gui/graphics/geometry/juce_Path.cpp
@@ -77,7 +77,7 @@ Path::Path (const Path& other) throw()
     }
 }
 
-const Path& Path::operator= (const Path& other) throw()
+Path& Path::operator= (const Path& other) throw()
 {
     if (this != &other)
     {
diff --git a/src/gui/graphics/geometry/juce_Path.h b/src/gui/graphics/geometry/juce_Path.h
index 372f9e04e2..5bdcc44ef5 100644
--- a/src/gui/graphics/geometry/juce_Path.h
+++ b/src/gui/graphics/geometry/juce_Path.h
@@ -83,7 +83,7 @@ public:
     ~Path() throw();
 
     /** Copies this path from another one. */
-    const Path& operator= (const Path& other) throw();
+    Path& operator= (const Path& other) throw();
 
     //==============================================================================
     /** Returns true if the path doesn't contain any lines or curves. */
@@ -577,7 +577,7 @@ public:
         int index;
 
         Iterator (const Iterator&);
-        const Iterator& operator= (const Iterator&);
+        Iterator& operator= (const Iterator&);
     };
 
     //==============================================================================
diff --git a/src/gui/graphics/geometry/juce_PathIterator.h b/src/gui/graphics/geometry/juce_PathIterator.h
index e8f1481f88..6d486df8cb 100644
--- a/src/gui/graphics/geometry/juce_PathIterator.h
+++ b/src/gui/graphics/geometry/juce_PathIterator.h
@@ -115,7 +115,7 @@ private:
     int index, stackSize;
 
     PathFlatteningIterator (const PathFlatteningIterator&);
-    const PathFlatteningIterator& operator= (const PathFlatteningIterator&);
+    PathFlatteningIterator& operator= (const PathFlatteningIterator&);
 };
 
 
diff --git a/src/gui/graphics/geometry/juce_PathStrokeType.cpp b/src/gui/graphics/geometry/juce_PathStrokeType.cpp
index 892131f825..cece324db1 100644
--- a/src/gui/graphics/geometry/juce_PathStrokeType.cpp
+++ b/src/gui/graphics/geometry/juce_PathStrokeType.cpp
@@ -49,7 +49,7 @@ PathStrokeType::PathStrokeType (const PathStrokeType& other) throw()
 {
 }
 
-const PathStrokeType& PathStrokeType::operator= (const PathStrokeType& other) throw()
+PathStrokeType& PathStrokeType::operator= (const PathStrokeType& other) throw()
 {
     thickness = other.thickness;
     jointStyle = other.jointStyle;
diff --git a/src/gui/graphics/geometry/juce_PathStrokeType.h b/src/gui/graphics/geometry/juce_PathStrokeType.h
index 72f86f333e..405566a7ed 100644
--- a/src/gui/graphics/geometry/juce_PathStrokeType.h
+++ b/src/gui/graphics/geometry/juce_PathStrokeType.h
@@ -80,7 +80,7 @@ public:
     PathStrokeType (const PathStrokeType& other) throw();
 
     /** Copies another stroke onto this one. */
-    const PathStrokeType& operator= (const PathStrokeType& other) throw();
+    PathStrokeType& operator= (const PathStrokeType& other) throw();
 
     /** Destructor. */
     ~PathStrokeType() throw();
diff --git a/src/gui/graphics/geometry/juce_PositionedRectangle.cpp b/src/gui/graphics/geometry/juce_PositionedRectangle.cpp
index 5de3961f56..5c6286df05 100644
--- a/src/gui/graphics/geometry/juce_PositionedRectangle.cpp
+++ b/src/gui/graphics/geometry/juce_PositionedRectangle.cpp
@@ -55,7 +55,7 @@ PositionedRectangle::PositionedRectangle (const PositionedRectangle& other) thro
 {
 }
 
-const PositionedRectangle& PositionedRectangle::operator= (const PositionedRectangle& other) throw()
+PositionedRectangle& PositionedRectangle::operator= (const PositionedRectangle& other) throw()
 {
     x = other.x;
     y = other.y;
@@ -73,7 +73,7 @@ PositionedRectangle::~PositionedRectangle() throw()
 {
 }
 
-const bool PositionedRectangle::operator== (const PositionedRectangle& other) const throw()
+bool PositionedRectangle::operator== (const PositionedRectangle& other) const throw()
 {
     return x == other.x
         && y == other.y
@@ -85,7 +85,7 @@ const bool PositionedRectangle::operator== (const PositionedRectangle& other) co
         && hMode == other.hMode;
 }
 
-const bool PositionedRectangle::operator!= (const PositionedRectangle& other) const throw()
+bool PositionedRectangle::operator!= (const PositionedRectangle& other) const throw()
 {
     return ! operator== (other);
 }
diff --git a/src/gui/graphics/geometry/juce_PositionedRectangle.h b/src/gui/graphics/geometry/juce_PositionedRectangle.h
index b4bd860620..99834a34d9 100644
--- a/src/gui/graphics/geometry/juce_PositionedRectangle.h
+++ b/src/gui/graphics/geometry/juce_PositionedRectangle.h
@@ -86,7 +86,7 @@ public:
     PositionedRectangle (const PositionedRectangle& other) throw();
 
     /** Copies another PositionedRectangle. */
-    const PositionedRectangle& operator= (const PositionedRectangle& other) throw();
+    PositionedRectangle& operator= (const PositionedRectangle& other) throw();
 
     /** Destructor. */
     ~PositionedRectangle() throw();
@@ -318,10 +318,10 @@ public:
 
     //==============================================================================
     /** Compares two objects. */
-    const bool operator== (const PositionedRectangle& other) const throw();
+    bool operator== (const PositionedRectangle& other) const throw();
 
     /** Compares two objects. */
-    const bool operator!= (const PositionedRectangle& other) const throw();
+    bool operator!= (const PositionedRectangle& other) const throw();
 
     //==============================================================================
     juce_UseDebuggingNewOperator
diff --git a/src/gui/graphics/geometry/juce_RectangleList.cpp b/src/gui/graphics/geometry/juce_RectangleList.cpp
index 8ffd2dea27..70cb2316fe 100644
--- a/src/gui/graphics/geometry/juce_RectangleList.cpp
+++ b/src/gui/graphics/geometry/juce_RectangleList.cpp
@@ -47,7 +47,7 @@ RectangleList::RectangleList (const RectangleList& other) throw()
 {
 }
 
-const RectangleList& RectangleList::operator= (const RectangleList& other) throw()
+RectangleList& RectangleList::operator= (const RectangleList& other) throw()
 {
     rects = other.rects;
     return *this;
diff --git a/src/gui/graphics/geometry/juce_RectangleList.h b/src/gui/graphics/geometry/juce_RectangleList.h
index e0177e3aec..95f9c06efb 100644
--- a/src/gui/graphics/geometry/juce_RectangleList.h
+++ b/src/gui/graphics/geometry/juce_RectangleList.h
@@ -54,7 +54,7 @@ public:
     RectangleList (const Rectangle<int>& rect) throw();
 
     /** Copies this list from another one. */
-    const RectangleList& operator= (const RectangleList& other) throw();
+    RectangleList& operator= (const RectangleList& other) throw();
 
     /** Destructor. */
     ~RectangleList() throw();
@@ -240,7 +240,7 @@ public:
         int index;
 
         Iterator (const Iterator&);
-        const Iterator& operator= (const Iterator&);
+        Iterator& operator= (const Iterator&);
     };
 
     //==============================================================================
diff --git a/src/gui/graphics/imaging/image_file_formats/juce_GIFLoader.h b/src/gui/graphics/imaging/image_file_formats/juce_GIFLoader.h
index 44415b70c2..3317c12611 100644
--- a/src/gui/graphics/imaging/image_file_formats/juce_GIFLoader.h
+++ b/src/gui/graphics/imaging/image_file_formats/juce_GIFLoader.h
@@ -73,7 +73,7 @@ private:
     static inline int makeWord (const uint8 a, const uint8 b)    { return (b << 8) | a; }
 
     GIFLoader (const GIFLoader&);
-    const GIFLoader& operator= (const GIFLoader&);
+    GIFLoader& operator= (const GIFLoader&);
 };
 
 #endif   // DOXYGEN
diff --git a/src/gui/graphics/imaging/juce_CameraDevice.h b/src/gui/graphics/imaging/juce_CameraDevice.h
index 1add99d603..06bfb43aa3 100644
--- a/src/gui/graphics/imaging/juce_CameraDevice.h
+++ b/src/gui/graphics/imaging/juce_CameraDevice.h
@@ -153,7 +153,7 @@ private:
     String name;
 
     CameraDevice (const CameraDevice&);
-    const CameraDevice& operator= (const CameraDevice&);
+    CameraDevice& operator= (const CameraDevice&);
 };
 
 
diff --git a/src/gui/graphics/imaging/juce_Image.h b/src/gui/graphics/imaging/juce_Image.h
index 4d823dde69..7cc99d64d7 100644
--- a/src/gui/graphics/imaging/juce_Image.h
+++ b/src/gui/graphics/imaging/juce_Image.h
@@ -244,7 +244,7 @@ public:
 
     private:
         BitmapData (const BitmapData&);
-        const BitmapData& operator= (const BitmapData&);
+        BitmapData& operator= (const BitmapData&);
     };
 
     /** Copies some pixel values to a rectangle of the image.
@@ -296,7 +296,7 @@ protected:
 
 private:
     //==============================================================================
-    const Image& operator= (const Image&);
+    Image& operator= (const Image&);
 };
 
 
diff --git a/src/gui/graphics/imaging/juce_ImageCache.h b/src/gui/graphics/imaging/juce_ImageCache.h
index 061c13a99c..665e512c17 100644
--- a/src/gui/graphics/imaging/juce_ImageCache.h
+++ b/src/gui/graphics/imaging/juce_ImageCache.h
@@ -167,7 +167,7 @@ private:
 
     ImageCache();
     ImageCache (const ImageCache&);
-    const ImageCache& operator= (const ImageCache&);
+    ImageCache& operator= (const ImageCache&);
     ~ImageCache();
 
     void timerCallback();
diff --git a/src/gui/graphics/imaging/juce_ImageConvolutionKernel.h b/src/gui/graphics/imaging/juce_ImageConvolutionKernel.h
index 3e34665fc0..3846973243 100644
--- a/src/gui/graphics/imaging/juce_ImageConvolutionKernel.h
+++ b/src/gui/graphics/imaging/juce_ImageConvolutionKernel.h
@@ -124,7 +124,7 @@ private:
 
     // no reason not to implement these one day..
     ImageConvolutionKernel (const ImageConvolutionKernel&);
-    const ImageConvolutionKernel& operator= (const ImageConvolutionKernel&);
+    ImageConvolutionKernel& operator= (const ImageConvolutionKernel&);
 };
 
 
diff --git a/src/io/files/juce_DirectoryIterator.h b/src/io/files/juce_DirectoryIterator.h
index 91b41da7ef..7f5572a1da 100644
--- a/src/io/files/juce_DirectoryIterator.h
+++ b/src/io/files/juce_DirectoryIterator.h
@@ -109,7 +109,7 @@ private:
     ScopedPointer <DirectoryIterator> subIterator;
 
     DirectoryIterator (const DirectoryIterator&);
-    const DirectoryIterator& operator= (const DirectoryIterator&);
+    DirectoryIterator& operator= (const DirectoryIterator&);
 };
 
 #endif   // __JUCE_DIRECTORYITERATOR_JUCEHEADER__
diff --git a/src/io/files/juce_File.cpp b/src/io/files/juce_File.cpp
index e6abda4ccf..93f319e408 100644
--- a/src/io/files/juce_File.cpp
+++ b/src/io/files/juce_File.cpp
@@ -221,13 +221,13 @@ File::File (const File& other)
 {
 }
 
-const File& File::operator= (const String& newPath)
+File& File::operator= (const String& newPath)
 {
     fullPath = parseAbsolutePath (newPath);
     return *this;
 }
 
-const File& File::operator= (const File& other)
+File& File::operator= (const File& other)
 {
     fullPath = other.fullPath;
     return *this;
diff --git a/src/io/files/juce_File.h b/src/io/files/juce_File.h
index dfd11eb4fb..508ef9d98f 100644
--- a/src/io/files/juce_File.h
+++ b/src/io/files/juce_File.h
@@ -88,10 +88,10 @@ public:
         On the Mac/Linux, the path can include "~" notation for referring to
         user home directories.
     */
-    const File& operator= (const String& newFilePath);
+    File& operator= (const String& newFilePath);
 
     /** Copies from another file object. */
-    const File& operator= (const File& otherFile);
+    File& operator= (const File& otherFile);
 
     //==============================================================================
     /** This static constant is used for referring to an 'invalid' file. */
diff --git a/src/io/files/juce_FileInputStream.h b/src/io/files/juce_FileInputStream.h
index e1e28ff1e7..0fd7002dfc 100644
--- a/src/io/files/juce_FileInputStream.h
+++ b/src/io/files/juce_FileInputStream.h
@@ -71,7 +71,7 @@ private:
     bool needToSeek;
 
     FileInputStream (const FileInputStream&);
-    const FileInputStream& operator= (const FileInputStream&);
+    FileInputStream& operator= (const FileInputStream&);
 };
 
 #endif   // __JUCE_FILEINPUTSTREAM_JUCEHEADER__
diff --git a/src/io/files/juce_FileSearchPath.cpp b/src/io/files/juce_FileSearchPath.cpp
index 3ce3a0866c..9b7cc8a7f3 100644
--- a/src/io/files/juce_FileSearchPath.cpp
+++ b/src/io/files/juce_FileSearchPath.cpp
@@ -50,7 +50,7 @@ FileSearchPath::~FileSearchPath()
 {
 }
 
-const FileSearchPath& FileSearchPath::operator= (const String& path)
+FileSearchPath& FileSearchPath::operator= (const String& path)
 {
     init (path);
     return *this;
diff --git a/src/io/files/juce_FileSearchPath.h b/src/io/files/juce_FileSearchPath.h
index 3c38b82434..58cae96c54 100644
--- a/src/io/files/juce_FileSearchPath.h
+++ b/src/io/files/juce_FileSearchPath.h
@@ -63,7 +63,7 @@ public:
         This search path is cleared and the semicolon- or comma-separated folders
         in this string are added instead. e.g. "/foo/bar;/foo/moose;/fish/moose"
     */
-    const FileSearchPath& operator= (const String& path);
+    FileSearchPath& operator= (const String& path);
 
     //==============================================================================
     /** Returns the number of folders in this search path.
diff --git a/src/io/files/juce_NamedPipe.h b/src/io/files/juce_NamedPipe.h
index 4332d19379..3a626474a9 100644
--- a/src/io/files/juce_NamedPipe.h
+++ b/src/io/files/juce_NamedPipe.h
@@ -106,7 +106,7 @@ private:
     String currentPipeName;
 
     NamedPipe (const NamedPipe&);
-    const NamedPipe& operator= (const NamedPipe&);
+    NamedPipe& operator= (const NamedPipe&);
 
     bool openInternal (const String& pipeName, const bool createPipe);
 };
diff --git a/src/io/files/juce_TemporaryFile.h b/src/io/files/juce_TemporaryFile.h
index f2c7922df7..952533ae48 100644
--- a/src/io/files/juce_TemporaryFile.h
+++ b/src/io/files/juce_TemporaryFile.h
@@ -153,7 +153,7 @@ private:
     void createTempFile (const File& parentDirectory, String name, const String& suffix, const int optionFlags);
 
     TemporaryFile (const TemporaryFile&);
-    const TemporaryFile& operator= (const TemporaryFile&);
+    TemporaryFile& operator= (const TemporaryFile&);
 };
 
 #endif   // __JUCE_TEMPORARYFILE_JUCEHEADER__
diff --git a/src/io/files/juce_ZipFile.cpp b/src/io/files/juce_ZipFile.cpp
index e68e001492..ab869d100d 100644
--- a/src/io/files/juce_ZipFile.cpp
+++ b/src/io/files/juce_ZipFile.cpp
@@ -153,7 +153,7 @@ private:
     InputStream* inputStream;
 
     ZipInputStream (const ZipInputStream&);
-    const ZipInputStream& operator= (const ZipInputStream&);
+    ZipInputStream& operator= (const ZipInputStream&);
 };
 
 
diff --git a/src/io/files/juce_ZipFile.h b/src/io/files/juce_ZipFile.h
index e3ce5a36da..2363ceb83f 100644
--- a/src/io/files/juce_ZipFile.h
+++ b/src/io/files/juce_ZipFile.h
@@ -165,7 +165,7 @@ private:
     static int compareElements (const ZipEntryInfo* first, const ZipEntryInfo* second);
 
     ZipFile (const ZipFile&);
-    const ZipFile& operator= (const ZipFile&);
+    ZipFile& operator= (const ZipFile&);
 };
 
 #endif   // __JUCE_ZIPFILE_JUCEHEADER__
diff --git a/src/io/network/juce_Socket.h b/src/io/network/juce_Socket.h
index 81ee5f8519..a24d7a6a6d 100644
--- a/src/io/network/juce_Socket.h
+++ b/src/io/network/juce_Socket.h
@@ -166,7 +166,7 @@ private:
 
     StreamingSocket (const String& hostname, const int portNumber, const int handle);
     StreamingSocket (const StreamingSocket&);
-    const StreamingSocket& operator= (const StreamingSocket&);
+    StreamingSocket& operator= (const StreamingSocket&);
 };
 
 
@@ -297,7 +297,7 @@ private:
 
     DatagramSocket (const String& hostname, const int portNumber, const int handle, const int localPortNumber);
     DatagramSocket (const DatagramSocket&);
-    const DatagramSocket& operator= (const DatagramSocket&);
+    DatagramSocket& operator= (const DatagramSocket&);
 };
 
 
diff --git a/src/io/network/juce_URL.cpp b/src/io/network/juce_URL.cpp
index 3e311945cc..31ddac4abe 100644
--- a/src/io/network/juce_URL.cpp
+++ b/src/io/network/juce_URL.cpp
@@ -81,7 +81,7 @@ URL::URL (const URL& other)
 {
 }
 
-const URL& URL::operator= (const URL& other)
+URL& URL::operator= (const URL& other)
 {
     url = other.url;
     postData = other.postData;
@@ -443,7 +443,7 @@ private:
     }
 
     WebInputStream (const WebInputStream&);
-    const WebInputStream& operator= (const WebInputStream&);
+    WebInputStream& operator= (const WebInputStream&);
 };
 
 InputStream* URL::createInputStream (const bool usePostCommand,
diff --git a/src/io/network/juce_URL.h b/src/io/network/juce_URL.h
index 3598fd93f5..d9ca231e76 100644
--- a/src/io/network/juce_URL.h
+++ b/src/io/network/juce_URL.h
@@ -55,7 +55,7 @@ public:
     ~URL();
 
     /** Copies this URL from another one. */
-    const URL& operator= (const URL& other);
+    URL& operator= (const URL& other);
 
     //==============================================================================
     /** Returns a string version of the URL.
diff --git a/src/io/streams/juce_BufferedInputStream.h b/src/io/streams/juce_BufferedInputStream.h
index 56128355d6..c40c8b9c6b 100644
--- a/src/io/streams/juce_BufferedInputStream.h
+++ b/src/io/streams/juce_BufferedInputStream.h
@@ -82,7 +82,7 @@ private:
     void ensureBuffered();
 
     BufferedInputStream (const BufferedInputStream&);
-    const BufferedInputStream& operator= (const BufferedInputStream&);
+    BufferedInputStream& operator= (const BufferedInputStream&);
 };
 
 #endif   // __JUCE_BUFFEREDINPUTSTREAM_JUCEHEADER__
diff --git a/src/io/streams/juce_FileInputSource.h b/src/io/streams/juce_FileInputSource.h
index 6ace7716f0..4691757de2 100644
--- a/src/io/streams/juce_FileInputSource.h
+++ b/src/io/streams/juce_FileInputSource.h
@@ -54,7 +54,7 @@ private:
     const File file;
 
     FileInputSource (const FileInputSource&);
-    const FileInputSource& operator= (const FileInputSource&);
+    FileInputSource& operator= (const FileInputSource&);
 };
 
 
diff --git a/src/io/streams/juce_GZIPCompressorOutputStream.h b/src/io/streams/juce_GZIPCompressorOutputStream.h
index 278907eac7..a02d4ef510 100644
--- a/src/io/streams/juce_GZIPCompressorOutputStream.h
+++ b/src/io/streams/juce_GZIPCompressorOutputStream.h
@@ -80,7 +80,7 @@ private:
     bool doNextBlock();
 
     GZIPCompressorOutputStream (const GZIPCompressorOutputStream&);
-    const GZIPCompressorOutputStream& operator= (const GZIPCompressorOutputStream&);
+    GZIPCompressorOutputStream& operator= (const GZIPCompressorOutputStream&);
 };
 
 #endif   // __JUCE_GZIPCOMPRESSOROUTPUTSTREAM_JUCEHEADER__
diff --git a/src/io/streams/juce_GZIPDecompressorInputStream.h b/src/io/streams/juce_GZIPDecompressorInputStream.h
index 61658c5a9d..248e4d8e14 100644
--- a/src/io/streams/juce_GZIPDecompressorInputStream.h
+++ b/src/io/streams/juce_GZIPDecompressorInputStream.h
@@ -87,7 +87,7 @@ private:
     ScopedPointer <GZIPDecompressHelper> helper;
 
     GZIPDecompressorInputStream (const GZIPDecompressorInputStream&);
-    const GZIPDecompressorInputStream& operator= (const GZIPDecompressorInputStream&);
+    GZIPDecompressorInputStream& operator= (const GZIPDecompressorInputStream&);
 };
 
 #endif   // __JUCE_GZIPDECOMPRESSORINPUTSTREAM_JUCEHEADER__
diff --git a/src/io/streams/juce_OutputStream.cpp b/src/io/streams/juce_OutputStream.cpp
index 1aeda725ae..974807f4d2 100644
--- a/src/io/streams/juce_OutputStream.cpp
+++ b/src/io/streams/juce_OutputStream.cpp
@@ -170,7 +170,7 @@ void OutputStream::writeString (const String& text)
     // (This avoids using toUTF8() to prevent the memory bloat that it would leave behind
     // if lots of large, persistent strings were to be written to streams).
     const int numBytes = text.getNumBytesAsUTF8() + 1;
-    HeapBlock <uint8> temp (numBytes);
+    HeapBlock<char> temp (numBytes);
     text.copyToUTF8 (temp, numBytes);
     write (temp, numBytes);
 }
diff --git a/src/io/streams/juce_SubregionStream.h b/src/io/streams/juce_SubregionStream.h
index 680ad65d36..553536f350 100644
--- a/src/io/streams/juce_SubregionStream.h
+++ b/src/io/streams/juce_SubregionStream.h
@@ -87,7 +87,7 @@ private:
     const int64 startPositionInSourceStream, lengthOfSourceStream;
 
     SubregionStream (const SubregionStream&);
-    const SubregionStream& operator= (const SubregionStream&);
+    SubregionStream& operator= (const SubregionStream&);
 };
 
 #endif   // __JUCE_SUBREGIONSTREAM_JUCEHEADER__
diff --git a/src/native/mac/juce_iphone_Audio.cpp b/src/native/mac/juce_iphone_Audio.cpp
index 4c70b078b8..25e5869b5e 100644
--- a/src/native/mac/juce_iphone_Audio.cpp
+++ b/src/native/mac/juce_iphone_Audio.cpp
@@ -519,7 +519,7 @@ private:
     }
 
     IPhoneAudioIODevice (const IPhoneAudioIODevice&);
-    const IPhoneAudioIODevice& operator= (const IPhoneAudioIODevice&);
+    IPhoneAudioIODevice& operator= (const IPhoneAudioIODevice&);
 };
 
 
@@ -578,7 +578,7 @@ public:
 
 private:
     IPhoneAudioIODeviceType (const IPhoneAudioIODeviceType&);
-    const IPhoneAudioIODeviceType& operator= (const IPhoneAudioIODeviceType&);
+    IPhoneAudioIODeviceType& operator= (const IPhoneAudioIODeviceType&);
 };
 
 //==============================================================================
diff --git a/src/native/mac/juce_mac_CoreAudio.cpp b/src/native/mac/juce_mac_CoreAudio.cpp
index 26ee647509..cd1a651521 100644
--- a/src/native/mac/juce_mac_CoreAudio.cpp
+++ b/src/native/mac/juce_mac_CoreAudio.cpp
@@ -795,7 +795,7 @@ private:
     HeapBlock <float*> tempInputBuffers, tempOutputBuffers;
 
     CoreAudioInternal (const CoreAudioInternal&);
-    const CoreAudioInternal& operator= (const CoreAudioInternal&);
+    CoreAudioInternal& operator= (const CoreAudioInternal&);
 
     //==============================================================================
     static OSStatus audioIOProc (AudioDeviceID inDevice,
@@ -1108,7 +1108,7 @@ private:
     }
 
     CoreAudioIODevice (const CoreAudioIODevice&);
-    const CoreAudioIODevice& operator= (const CoreAudioIODevice&);
+    CoreAudioIODevice& operator= (const CoreAudioIODevice&);
 };
 
 //==============================================================================
@@ -1310,7 +1310,7 @@ private:
     }
 
     CoreAudioIODeviceType (const CoreAudioIODeviceType&);
-    const CoreAudioIODeviceType& operator= (const CoreAudioIODeviceType&);
+    CoreAudioIODeviceType& operator= (const CoreAudioIODeviceType&);
 };
 
 //==============================================================================
diff --git a/src/native/mac/juce_mac_NSViewComponent.mm b/src/native/mac/juce_mac_NSViewComponent.mm
index 8a0a4a2931..961c6b56b5 100644
--- a/src/native/mac/juce_mac_NSViewComponent.mm
+++ b/src/native/mac/juce_mac_NSViewComponent.mm
@@ -117,7 +117,7 @@ public:
 
 private:
     NSViewComponentInternal (const NSViewComponentInternal&);
-    const NSViewComponentInternal& operator= (const NSViewComponentInternal&);
+    NSViewComponentInternal& operator= (const NSViewComponentInternal&);
 };
 
 //==============================================================================
diff --git a/src/native/mac/juce_mac_NSViewComponentPeer.mm b/src/native/mac/juce_mac_NSViewComponentPeer.mm
index c5d631f757..7a945f4ba9 100644
--- a/src/native/mac/juce_mac_NSViewComponentPeer.mm
+++ b/src/native/mac/juce_mac_NSViewComponentPeer.mm
@@ -70,21 +70,20 @@ END_JUCE_NAMESPACE
 - (void) keyDown: (NSEvent*) ev;
 - (void) keyUp: (NSEvent*) ev;
 
-// Textinput Methods
-- (void) insertText:(id)aString; // instead of keyDown: aString can be NSString or NSAttributedString
-- (void) doCommandBySelector:(SEL)aSelector;
-- (void) setMarkedText:(id)aString selectedRange:(NSRange)selRange;
+// NSTextInput Methods
+- (void) insertText: (id) aString;
+- (void) doCommandBySelector: (SEL) aSelector;
+- (void) setMarkedText: (id) aString selectedRange: (NSRange) selRange;
 - (void) unmarkText;
 - (BOOL) hasMarkedText;
 - (long) conversationIdentifier;
-- (NSAttributedString *) attributedSubstringFromRange:(NSRange)theRange;
+- (NSAttributedString*) attributedSubstringFromRange: (NSRange) theRange;
 - (NSRange) markedRange;
 - (NSRange) selectedRange;
-- (NSRect) firstRectForCharacterRange:(NSRange)theRange;
-- (unsigned int)characterIndexForPoint:(NSPoint)thePoint;
+- (NSRect) firstRectForCharacterRange: (NSRange) theRange;
+- (unsigned int) characterIndexForPoint: (NSPoint) thePoint;
 - (NSArray*) validAttributesForMarkedText;
 
-
 - (void) flagsChanged: (NSEvent*) ev;
 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 - (BOOL) performKeyEquivalent: (NSEvent*) ev;
diff --git a/src/native/mac/juce_mac_OpenGLComponent.mm b/src/native/mac/juce_mac_OpenGLComponent.mm
index 4c0c799328..a1961a0486 100644
--- a/src/native/mac/juce_mac_OpenGLComponent.mm
+++ b/src/native/mac/juce_mac_OpenGLComponent.mm
@@ -254,7 +254,7 @@ private:
 
     //==============================================================================
     WindowedGLContext (const WindowedGLContext&);
-    const WindowedGLContext& operator= (const WindowedGLContext&);
+    WindowedGLContext& operator= (const WindowedGLContext&);
 };
 
 //==============================================================================
diff --git a/src/text/juce_String.cpp b/src/text/juce_String.cpp
index dc88348760..18de6c3a7d 100644
--- a/src/text/juce_String.cpp
+++ b/src/text/juce_String.cpp
@@ -489,7 +489,7 @@ int64 String::hashCode64() const throw()
 }
 
 //==============================================================================
-const String& String::operator= (const String& other) throw()
+String& String::operator= (const String& other) throw()
 {
     if (this != &other)
     {
@@ -777,8 +777,8 @@ OutputStream& JUCE_PUBLIC_FUNCTION  operator<< (OutputStream& stream, const Stri
     // (This avoids using toUTF8() to prevent the memory bloat that it would leave behind
     // if lots of large, persistent strings were to be written to streams).
     const int numBytes = text.getNumBytesAsUTF8();
-    HeapBlock <uint8> temp (numBytes);
-    text.copyToUTF8 (temp, numBytes);
+    HeapBlock<char> temp (numBytes + 1);
+    text.copyToUTF8 (temp, numBytes + 1);
     stream.write (temp, numBytes);
     return stream;
 }
diff --git a/src/text/juce_String.h b/src/text/juce_String.h
index 2ae490d3f1..f4a0884569 100644
--- a/src/text/juce_String.h
+++ b/src/text/juce_String.h
@@ -106,7 +106,7 @@ public:
     // Assignment and concatenation operators..
 
     /** Replaces this string's contents with another string. */
-    const String& operator= (const String& other) throw();
+    String& operator= (const String& other) throw();
 
     /** Appends another string at the end of this one. */
     String& operator+= (const tchar* const textToAppend);
@@ -1041,7 +1041,7 @@ public:
         int nextIndex;
 
         Concatenator (const Concatenator&);
-        const Concatenator& operator= (const Concatenator&);
+        Concatenator& operator= (const Concatenator&);
     };
 
     //==============================================================================
diff --git a/src/text/juce_StringArray.cpp b/src/text/juce_StringArray.cpp
index a49d18c3f3..56ff8e4123 100644
--- a/src/text/juce_StringArray.cpp
+++ b/src/text/juce_StringArray.cpp
@@ -71,7 +71,7 @@ StringArray::StringArray (const char** const initialStrings)
         add (initialStrings [i++]);
 }
 
-const StringArray& StringArray::operator= (const StringArray& other)
+StringArray& StringArray::operator= (const StringArray& other)
 {
     strings = other.strings;
     return *this;
diff --git a/src/text/juce_StringArray.h b/src/text/juce_StringArray.h
index c31f388083..2b0da4922a 100644
--- a/src/text/juce_StringArray.h
+++ b/src/text/juce_StringArray.h
@@ -88,7 +88,7 @@ public:
     ~StringArray();
 
     /** Copies the contents of another string array into this one */
-    const StringArray& operator= (const StringArray& other);
+    StringArray& operator= (const StringArray& other);
 
     //==============================================================================
     /** Compares two arrays.
diff --git a/src/text/juce_StringPairArray.cpp b/src/text/juce_StringPairArray.cpp
index 9511caaf1b..e09e130f67 100644
--- a/src/text/juce_StringPairArray.cpp
+++ b/src/text/juce_StringPairArray.cpp
@@ -48,11 +48,10 @@ StringPairArray::~StringPairArray() throw()
 {
 }
 
-const StringPairArray& StringPairArray::operator= (const StringPairArray& other) throw()
+StringPairArray& StringPairArray::operator= (const StringPairArray& other) throw()
 {
     keys = other.keys;
     values = other.values;
-
     return *this;
 }
 
diff --git a/src/text/juce_StringPairArray.h b/src/text/juce_StringPairArray.h
index 6c702d9084..32d5846a42 100644
--- a/src/text/juce_StringPairArray.h
+++ b/src/text/juce_StringPairArray.h
@@ -49,7 +49,7 @@ public:
     ~StringPairArray() throw();
 
     /** Copies the contents of another string array into this one */
-    const StringPairArray& operator= (const StringPairArray& other) throw();
+    StringPairArray& operator= (const StringPairArray& other) throw();
 
     //==============================================================================
     /** Compares two arrays.
diff --git a/src/text/juce_XmlElement.cpp b/src/text/juce_XmlElement.cpp
index bf3b9d75a5..3d9650a6d9 100644
--- a/src/text/juce_XmlElement.cpp
+++ b/src/text/juce_XmlElement.cpp
@@ -78,7 +78,7 @@ XmlElement::XmlElement (const XmlElement& other) throw()
     copyChildrenAndAttributesFrom (other);
 }
 
-const XmlElement& XmlElement::operator= (const XmlElement& other) throw()
+XmlElement& XmlElement::operator= (const XmlElement& other) throw()
 {
     if (this != &other)
     {
diff --git a/src/text/juce_XmlElement.h b/src/text/juce_XmlElement.h
index df75510c01..5a9512adce 100644
--- a/src/text/juce_XmlElement.h
+++ b/src/text/juce_XmlElement.h
@@ -151,7 +151,7 @@ public:
     XmlElement (const XmlElement& other) throw();
 
     /** Creates a (deep) copy of another element. */
-    const XmlElement& operator= (const XmlElement& other) throw();
+    XmlElement& operator= (const XmlElement& other) throw();
 
     /** Deleting an XmlElement will also delete all its child elements. */
     ~XmlElement() throw();
@@ -693,7 +693,7 @@ private:
         XmlAttributeNode* next;
 
     private:
-        const XmlAttributeNode& operator= (const XmlAttributeNode&);
+        XmlAttributeNode& operator= (const XmlAttributeNode&);
     };
 
     XmlAttributeNode* attributes;
diff --git a/src/threads/juce_InterProcessLock.h b/src/threads/juce_InterProcessLock.h
index cc0d0b5c86..126e127349 100644
--- a/src/threads/juce_InterProcessLock.h
+++ b/src/threads/juce_InterProcessLock.h
@@ -85,7 +85,7 @@ private:
     int reentrancyLevel;
 
     InterProcessLock (const InterProcessLock&);
-    const InterProcessLock& operator= (const InterProcessLock&);
+    InterProcessLock& operator= (const InterProcessLock&);
 };
 
 
diff --git a/src/threads/juce_ReadWriteLock.h b/src/threads/juce_ReadWriteLock.h
index fa10804191..e0cdb79f0a 100644
--- a/src/threads/juce_ReadWriteLock.h
+++ b/src/threads/juce_ReadWriteLock.h
@@ -133,7 +133,7 @@ private:
     mutable Array <Thread::ThreadID> readerThreads;
 
     ReadWriteLock (const ReadWriteLock&);
-    const ReadWriteLock& operator= (const ReadWriteLock&);
+    ReadWriteLock& operator= (const ReadWriteLock&);
 };
 
 
diff --git a/src/threads/juce_ScopedLock.h b/src/threads/juce_ScopedLock.h
index ee92cb36da..d4e1f6af71 100644
--- a/src/threads/juce_ScopedLock.h
+++ b/src/threads/juce_ScopedLock.h
@@ -83,7 +83,7 @@ private:
     const CriticalSection& lock_;
 
     ScopedLock (const ScopedLock&);
-    const ScopedLock& operator= (const ScopedLock&);
+    ScopedLock& operator= (const ScopedLock&);
 };
 
 
@@ -156,7 +156,7 @@ private:
     const CriticalSection& lock_;
 
     ScopedUnlock (const ScopedLock&);
-    const ScopedUnlock& operator= (const ScopedUnlock&);
+    ScopedUnlock& operator= (const ScopedUnlock&);
 };
 
 
diff --git a/src/threads/juce_ScopedReadLock.h b/src/threads/juce_ScopedReadLock.h
index ac875e7eb8..f363b97660 100644
--- a/src/threads/juce_ScopedReadLock.h
+++ b/src/threads/juce_ScopedReadLock.h
@@ -83,7 +83,7 @@ private:
     const ReadWriteLock& lock_;
 
     ScopedReadLock (const ScopedReadLock&);
-    const ScopedReadLock& operator= (const ScopedReadLock&);
+    ScopedReadLock& operator= (const ScopedReadLock&);
 };
 
 
diff --git a/src/threads/juce_ScopedTryLock.h b/src/threads/juce_ScopedTryLock.h
index 64c7f5853d..b55bf759cf 100644
--- a/src/threads/juce_ScopedTryLock.h
+++ b/src/threads/juce_ScopedTryLock.h
@@ -98,7 +98,7 @@ private:
     const bool lockWasSuccessful;
 
     ScopedTryLock (const ScopedTryLock&);
-    const ScopedTryLock& operator= (const ScopedTryLock&);
+    ScopedTryLock& operator= (const ScopedTryLock&);
 };
 
 
diff --git a/src/threads/juce_ScopedWriteLock.h b/src/threads/juce_ScopedWriteLock.h
index a711b66424..403d823d3e 100644
--- a/src/threads/juce_ScopedWriteLock.h
+++ b/src/threads/juce_ScopedWriteLock.h
@@ -83,7 +83,7 @@ private:
     const ReadWriteLock& lock_;
 
     ScopedWriteLock (const ScopedWriteLock&);
-    const ScopedWriteLock& operator= (const ScopedWriteLock&);
+    ScopedWriteLock& operator= (const ScopedWriteLock&);
 };
 
 
diff --git a/src/threads/juce_Thread.h b/src/threads/juce_Thread.h
index 7b71c934cc..bb6e812986 100644
--- a/src/threads/juce_Thread.h
+++ b/src/threads/juce_Thread.h
@@ -286,7 +286,7 @@ private:
     static CriticalSection runningThreadsLock;
 
     Thread (const Thread&);
-    const Thread& operator= (const Thread&);
+    Thread& operator= (const Thread&);
 };
 
 #endif   // __JUCE_THREAD_JUCEHEADER__
diff --git a/src/threads/juce_ThreadPool.h b/src/threads/juce_ThreadPool.h
index ed47d31a82..b7fed1d209 100644
--- a/src/threads/juce_ThreadPool.h
+++ b/src/threads/juce_ThreadPool.h
@@ -136,7 +136,7 @@ private:
     bool shouldStop, isActive, shouldBeDeleted;
 
     ThreadPoolJob (const ThreadPoolJob&);
-    const ThreadPoolJob& operator= (const ThreadPoolJob&);
+    ThreadPoolJob& operator= (const ThreadPoolJob&);
 };
 
 
@@ -312,7 +312,7 @@ private:
     bool runNextJob();
 
     ThreadPool (const ThreadPool&);
-    const ThreadPool& operator= (const ThreadPool&);
+    ThreadPool& operator= (const ThreadPool&);
 };
 
 
diff --git a/src/threads/juce_TimeSliceThread.h b/src/threads/juce_TimeSliceThread.h
index 5309656000..2595fa80c0 100644
--- a/src/threads/juce_TimeSliceThread.h
+++ b/src/threads/juce_TimeSliceThread.h
@@ -130,7 +130,7 @@ private:
     bool clientsChanged;
 
     TimeSliceThread (const TimeSliceThread&);
-    const TimeSliceThread& operator= (const TimeSliceThread&);
+    TimeSliceThread& operator= (const TimeSliceThread&);
 };
 
 
diff --git a/src/threads/juce_WaitableEvent.h b/src/threads/juce_WaitableEvent.h
index d38f9b892d..db33e98724 100644
--- a/src/threads/juce_WaitableEvent.h
+++ b/src/threads/juce_WaitableEvent.h
@@ -93,7 +93,7 @@ private:
     void* internal;
 
     WaitableEvent (const WaitableEvent&);
-    const WaitableEvent& operator= (const WaitableEvent&);
+    WaitableEvent& operator= (const WaitableEvent&);
 };
 
 
diff --git a/src/utilities/juce_DeletedAtShutdown.h b/src/utilities/juce_DeletedAtShutdown.h
index ee618c42d9..bde98eebf8 100644
--- a/src/utilities/juce_DeletedAtShutdown.h
+++ b/src/utilities/juce_DeletedAtShutdown.h
@@ -64,7 +64,7 @@ public:
 
 private:
     DeletedAtShutdown (const DeletedAtShutdown&);
-    const DeletedAtShutdown& operator= (const DeletedAtShutdown&);
+    DeletedAtShutdown& operator= (const DeletedAtShutdown&);
 };
 
 #endif   // __JUCE_DELETEDATSHUTDOWN_JUCEHEADER__
diff --git a/src/utilities/juce_FileBasedDocument.h b/src/utilities/juce_FileBasedDocument.h
index a148cc10ea..c31b3eeb8d 100644
--- a/src/utilities/juce_FileBasedDocument.h
+++ b/src/utilities/juce_FileBasedDocument.h
@@ -291,7 +291,7 @@ private:
     String fileExtension, fileWildcard, openFileDialogTitle, saveFileDialogTitle;
 
     FileBasedDocument (const FileBasedDocument&);
-    const FileBasedDocument& operator= (const FileBasedDocument&);
+    FileBasedDocument& operator= (const FileBasedDocument&);
 };
 
 
diff --git a/src/utilities/juce_PropertiesFile.h b/src/utilities/juce_PropertiesFile.h
index b87e6442d3..bddc8028a9 100644
--- a/src/utilities/juce_PropertiesFile.h
+++ b/src/utilities/juce_PropertiesFile.h
@@ -177,7 +177,7 @@ private:
     void timerCallback();
 
     PropertiesFile (const PropertiesFile&);
-    const PropertiesFile& operator= (const PropertiesFile&);
+    PropertiesFile& operator= (const PropertiesFile&);
 };
 
 #endif   // __JUCE_PROPERTIESFILE_JUCEHEADER__
diff --git a/src/utilities/juce_SelectedItemSet.h b/src/utilities/juce_SelectedItemSet.h
index d095296364..0c9dbb243e 100644
--- a/src/utilities/juce_SelectedItemSet.h
+++ b/src/utilities/juce_SelectedItemSet.h
@@ -67,7 +67,7 @@ public:
     }
 
     /** Creates a copy of another set. */
-    const SelectedItemSet& operator= (const SelectedItemSet& other)
+    SelectedItemSet& operator= (const SelectedItemSet& other)
     {
         if (selectedItems != other.selectedItems)
         {
diff --git a/src/utilities/juce_UndoManager.h b/src/utilities/juce_UndoManager.h
index a66089fb79..90ed565e63 100644
--- a/src/utilities/juce_UndoManager.h
+++ b/src/utilities/juce_UndoManager.h
@@ -228,7 +228,7 @@ private:
 
     // disallow copy constructor
     UndoManager (const UndoManager&);
-    const UndoManager& operator= (const UndoManager&);
+    UndoManager& operator= (const UndoManager&);
 };