rem: var savedmstone; 
add: var savedmstone = null; 
context: function needHomepageOverride(prefb) {  var savedmstone;  try {    savedmstone = prefb.getCharPref("browser.startup.homepage_override.mstone");  }  catch (e) {  }  if (savedmstone == "ignore")    return false;  var mstone = Components.classes["@mozilla.org/network/protocol;1?name=http"]                         .getService(nsIHttpProtocolHandler).misc;  if (mstone == savedmstone)    return false;  prefb.setCharPref("browser.startup.homepage_override.mstone", mstone);  return true;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/c69e4602a9e84bc273f3c68297a80abd1cb5cc30/nsBrowserContentHandler.js/buggy/browser/components/nsBrowserContentHandler.js