add: this.onMetaDataItem = false; 
context: function nsContextMenu( xulMenu ) {    this.target         = null;    this.menu           = null;    this.onTextInput    = false;    this.onImage        = false;    this.onLink         = false;    this.onMailtoLink   = false;    this.onSaveableLink = false;    this.onMathML       = false;    this.link           = false;    this.inFrame        = false;    this.hasBGImage     = false;    this.isTextSelected = false;    this.inDirList      = false;    this.shouldDisplay  = true;    // Initialize new menu.    this.initMenu( xulMenu );}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/3af6df0173fa0e929d450a6c15975ad7309218ab/nsContextMenu.js/clean/xpfe/communicator/resources/content/nsContextMenu.js