rem: args.okCallback = onCancel; 
add: args.okCallback = function() {}; 
context: function onNewFilter(emailAddress){  var curFilterList = currentFilterList();  var args = {filterList: curFilterList};  if(emailAddress) {    args.okCallback = onCancel;    args.filterName = emailAddress;  }      window.openDialog("chrome://messenger/content/FilterEditor.xul", "FilterEditor", "chrome,modal,titlebar,resizable,centerscreen", args);  if ("refresh" in args && args.refresh)    refreshFilterList();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07d96867f11683becf5e1a6ca5e64e6a9324c957/FilterListDialog.js/buggy/mailnews/base/search/resources/content/FilterListDialog.js