rem: if (MicrosummaryPicker.enabled) MicrosummaryPicker.destroy(); 
add:   try { if (MicrosummaryPicker.enabled) MicrosummaryPicker.destroy(); } catch(e) { Components.utils.reportError(e); }  
context: function onCancel(){  if (MicrosummaryPicker.enabled)    MicrosummaryPicker.destroy();  return true;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3c5a30125e3a21cf43cf23f74ce9f0fb704ce3a7/addBookmark2.js/buggy/browser/components/bookmarks/content/addBookmark2.js