rem: if (href == "") { 
add: if (!href || !href.match(/\S/)) { 
context:     linkURL : function () {        if (this.link.href) {          return this.link.href;        }        var href = this.link.getAttributeNS("http://www.w3.org/1999/xlink","href");        if (href == "") {          throw "Empty href"; // Without this we try to save as the current doc, for example, HTML case also throws if empty        }        href = this.makeURLAbsolute(this.link.baseURI,href);        return href;    },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/1ecb8c97487de90930e82679585d5bc3cc47095b/nsContextMenu.js/buggy/xpfe/communicator/resources/content/nsContextMenu.js