Index: /CKEditor/trunk/_source/plugins/specialchar/dialogs/specialchar.js
===================================================================
--- /CKEditor/trunk/_source/plugins/specialchar/dialogs/specialchar.js	(revision 5260)
+++ /CKEditor/trunk/_source/plugins/specialchar/dialogs/specialchar.js	(revision 5261)
@@ -24,14 +24,5 @@
 			target.removeClass( "cke_light_background" );
 			dialog.hide();
-			
-			// Firefox has some bug on insert html, so let's process it single (#5170)
-			if ( CKEDITOR.env.gecko )
-			{
-				editor.fire( 'insertSpecialChar', value, editor );
-			}
-			else {
-				editor.insertHtml( value );
-			}
-			
+			editor.insertHtml( value );
 		}
 	};