rem: PlacesUtils.bookmarksRootId, true); 
add: PlacesUtils.bookmarksMenuFolderId, true); 
context: function BookmarkThisTab(){  var tab = getBrowser().mContextTab;  if (tab.localName != "tab")    tab = getBrowser().mCurrentTab;  PlacesCommandHook.bookmarkPage(tab.linkedBrowser,                                 PlacesUtils.bookmarksRootId, true);}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/ba5a8a5380ddcfbaff44fce7d9ec08b52da22d72/browser.js/buggy/browser/base/content/browser.js