add: IsMenuItemShowing("messagePaneContext-copyMessageUrl") || 
context: function ShowMessagePaneEditSeparator(){  return (IsMenuItemShowing("messagePaneContext-moveMenu") ||    IsMenuItemShowing("messagePaneContext-copyMenu") ||    IsMenuItemShowing("messagePaneContext-saveAs") ||    IsMenuItemShowing("messagePaneContext-print") ||    IsMenuItemShowing("messagePaneContext-delete"));}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/938770831965cde1ef5c4ce945b768186518efae/mailContextMenus.js/buggy/mailnews/base/resources/content/mailContextMenus.js