add: return true; 
context: function SortFolderPane(column){  var node = FindInSidebar(window, column);  if(!node)  {    dump('Couldnt find sort column\n');    return false;  }  try   {    var folderOutliner = GetFolderOutliner();    folderOutliner.outlinerBoxObject.view.cycleHeader(column, node);  }  catch (ex)   {    dump("failed to cycle header: " + ex + "\n");  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b04905d7a84824df355c3cd3986b3f49d0b8df74/commandglue.js/buggy/mailnews/base/resources/content/commandglue.js