add: return;   if (card.isASpecialGroup) 
context: function AbEditCard(card){  if (!card)    return;  if (card.isMailList) {    goEditListDialog(GetSelectedDirectory(), card, card.mailListURI, UpdateCardView);  }  else {    goEditCardDialog(GetSelectedDirectory(), card, UpdateCardView);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3eaeeb46f57a1eb2f9ae911cd2b7818a9953965b/abCommon.js/clean/mailnews/addrbook/resources/content/abCommon.js