rem: return makeURI(sourceURL); 
add: return makeURI(sourceDocument.location.href, sourceDocument.characterSet); 
context: function getReferrer(doc){  var focusedWindow = doc.commandDispatcher.focusedWindow;  var sourceURL = getContentFrameURI(focusedWindow);  try {    return makeURI(sourceURL);  } catch (e) {    return null;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8a94f673c6c6db84e2e176130f8b472c9169578e/contentAreaUtils.js/buggy/xpfe/communicator/resources/content/contentAreaUtils.js