rem: if (event.keyCode == 13) { hitReturnInList = true; awReturnHit(element); } 
add:  if (element.value != "" && event.keyCode == 13) event.preventBubble(); 
context: function handleKeyPress(element, event){  if (event.keyCode == 13)  {    hitReturnInList = true;    awReturnHit(element);  }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d38a0937d9c93a0a9d913e2ac781e4328bb8cc73/abMailListDialog.js/clean/mailnews/addrbook/resources/content/abMailListDialog.js