rem: return aData.URL; 
add: var ioService = Components.classes["@mozilla.org/network/io-service;1"] .getService(Components.interfaces.nsIIOService); return ioService.getURLSpecFromFile(aData); 
context: function retrieveURLFromData (aData, flavour){  switch (flavour) {  case "text/unicode":    // this might not be a url, but we'll return it anyway    return aData;  case "text/x-moz-url":    var data = aData.toString();    var separator = data.indexOf("\n");    if (separator != -1)      data = data.substr(0, separator);    return data;  case "application/x-moz-file":    return aData.URL;  }               return null;                                                         }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/fa0cc7676b744e97f9eb062c0645999b62cca6e9/contentAreaDD.js/buggy/xpfe/communicator/resources/content/contentAreaDD.js