rem: return  window._content.document.characterSet; 
add: return  window.content.document.characterSet; 
context: function getCharsetforSave(aDocument){  if (aDocument)    return aDocument.characterSet;  if (document.commandDispatcher.focusedWindow)    return document.commandDispatcher.focusedWindow.document.characterSet;  return  window._content.document.characterSet;  return false;}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/beeac80043c4f0114db3c4e4e7646037c24c950b/contentAreaUtils.js/buggy/browser/base/content/contentAreaUtils.js