add: return null; 
context: function FindEditorWithInsertCharDialog(){  // Find window with an InsertCharsWindow and switch association to this one	var windowManager = Components.classes['component://netscape/rdf/datasource?name=window-mediator'].getService();	var	windowManagerInterface = windowManager.QueryInterface( Components.interfaces.nsIWindowMediator);	var enumerator = windowManagerInterface.getEnumerator( null );	while ( enumerator.hasMoreElements()  )	{		var  tempWindow = enumerator.getNext();		if (tempWindow != window && tempWindow.InsertCharWindow)		{      return tempWindow;		}	}}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/5986ab59396a3071965154ed4499fa5a734750cd/editor.js/clean/editor/ui/composer/content/editor.js