PRIVATE is ignored on global variables so remove it.

include/asset.hpp

@@ -37,10 +37,10 @@ std::string plugin(plugin::Plugin* plugin, std::string filename = "");
 
 
 // Set these before calling init() to override the default paths
-PRIVATE extern std::string systemDir;
-PRIVATE extern std::string userDir;
+extern std::string systemDir;
+extern std::string userDir;
 // Only defined on Mac
-PRIVATE extern std::string bundlePath;
+extern std::string bundlePath;
 
 
 } // namespace asset

include/common.hpp

@@ -27,8 +27,8 @@ E.g.
 	#define DEPRECATED __declspec(deprecated)
 #endif
 
-/** Attribute for private functions and symbols not intended to be used by plugins.
-When #including rack.hpp, attempting to call PRIVATE functions or access variables will result in a compile-time error.
+/** Attribute for private functions not intended to be called by plugins.
+When #including rack.hpp, attempting to call PRIVATE functions will result in a compile-time error.
 */
 #ifndef PRIVATE
 #define PRIVATE

include/rack.hpp

@@ -10,7 +10,7 @@ Directly including Rack headers other than rack.hpp in your plugin is unsupporte
 #error "Plugins must only include rack.hpp. Including other Rack headers is unsupported."
 #endif
 
-/** Functions and symbols with the PRIVATE attribute should not be called/used by plugins.
+/** Functions with the PRIVATE attribute should not be called by plugins.
 */
 #define PRIVATE __attribute__((error("Using internal Rack function or symbol")))