rem:   this.setItemAttr( "context-metadata", "disabled", this.inDirList ? "true" : null ); 
add:  this.showItem( "context-metadata", this.onMetaDataItem ); this.showItem( "context-sep-clip", this.onMetaDataItem ); 
context:     initMetadataItems : function () {        // Show unless in directory listing.        // Metadata for directory listings could ofcource be added if wanted        this.setItemAttr( "context-metadata", "disabled", this.inDirList ? "true" : null );    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a42f0c1113b2fa0fcaf18af1593be1e91591d967/nsContextMenu.js/clean/xpfe/communicator/resources/content/nsContextMenu.js