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: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/dfa4f66c746e16b00fc9be1ce4881c45086c1145/contentAreaUtils.js/buggy/xpfe/communicator/resources/content/contentAreaUtils.js