},\r
\r
/**\r
+ * Removes the function reference created with {@see CKEDITOR.tools.addFunction}.\r
+ * @param {Number} ref The function reference created with\r
+ * CKEDITOR.tools.addFunction.\r
+ */\r
+ removeFunction : function( ref )\r
+ {\r
+ functions[ ref ] = null;\r
+ },\r
+\r
+ /**\r
* Executes a function based on the reference created with\r
* CKEDITOR.tools.addFunction.\r
* @param {Number} ref The function reference created with\r