rem: if (!element.value) 
add: if (!element.input.value) 
context: function awRecipientKeyDown(event, element){  switch(event.keyCode) {  case 46:  case 8:    if (!element.value)      awDeleteHit(element);    event.preventBubble();  //We need to stop the event else the tree will receive it and the function                            //awKeyDown will be executed!    break;  }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/ca57cd6a137b11a14187b542b0652aadae53a1dd/addressingWidgetOverlay.js/buggy/mailnews/compose/resources/content/addressingWidgetOverlay.js