rem: dbview.flags |= nsMsgViewFlagsType.kThreadedDisplay; 
add: dbview.viewFlags |= nsMsgViewFlagsType.kThreadedDisplay; 
context: function MsgSortByThread(){  var dbview = GetDBView();  if(dbview && !dbview.supportsThreading)    return;  dbview.flags |= nsMsgViewFlagsType.kThreadedDisplay;  MsgSortThreadPane(nsMsgViewSortType.byId);}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/b576a7c7a986a9a9f999faf9aebf9de6db47d0b2/threadPane.js/buggy/mailnews/base/resources/content/threadPane.js