add: return migrated; 
context: function migrateGlobalQuotingPrefs(allIdentities){  // if reply_on_top and auto_quote exist then, if non-default  // migrate and delete, if default just delete.    var reply_on_top = 0;  var auto_quote = true;  var quotingPrefs = 0;  try {    var prefService = Components.classes["@mozilla.org/preferences-service;1"]                                .getService(Components.interfaces.nsIPrefService);    var pref = prefService.getBranch(null);    quotingPrefs = pref.getIntPref("mailnews.quotingPrefs.version");  } catch (ex) {}    // If the quotingPrefs version is 0 then we need to migrate our preferences  if (quotingPrefs == 0) {    try {      reply_on_top = pref.getIntPref("mailnews.reply_on_top");      auto_quote = pref.getBoolPref("mail.auto_quote");    } catch (ex) {}    if (!auto_quote || reply_on_top) {      var numIdentities = allIdentities.Count();      var identity = null;      for (var j = 0; j < numIdentities; j++) {        identity = allIdentities.QueryElementAt(j, Components.interfaces.nsIMsgIdentity);        if (identity.valid) {          identity.autoQuote = auto_quote;          identity.replyOnTop = reply_on_top;        }      }    }    pref.setIntPref("mailnews.quotingPrefs.version", 1);  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/1053a4e99dbdd2706a59e7516be77f9d3e47dc34/accountUtils.js/buggy/mailnews/base/prefs/resources/content/accountUtils.js