add: feedHandlerInfo.handledOnlyByPlugin = false; 
context:   _loadFeedHandler: function() {    this._handledTypes[TYPE_MAYBE_FEED] = feedHandlerInfo;  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/1171d45a4e94e20eb007a51592d731dc434c5f90/applications.js/buggy/browser/components/preferences/applications.js