add: IsMenuItemShowing("messagePaneContext-copyMessageUrl") || 
context: function ShowMessagePaneEditSeparator(){  return (IsMenuItemShowing("messagePaneContext-moveMenu") ||    IsMenuItemShowing("messagePaneContext-copyMenu") ||    IsMenuItemShowing("messagePaneContext-saveAs") ||    IsMenuItemShowing("messagePaneContext-print") ||    IsMenuItemShowing("messagePaneContext-delete"));}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/1e0e99191d9d4f4f04fb4061b0ba91f347b8986f/mailContextMenus.js/clean/mailnews/base/resources/content/mailContextMenus.js