rem: bucket.removeChild(bucket.selectedItems[item]); 
add: { child = bucket.removeChild(bucket.selectedItems[item]) = null;  child.attachment = null; } 
context: function RemoveSelectedAttachment(){  var bucket = document.getElementById("attachmentBucket");  if (bucket.selectedItems.length > 0) {    for (var item = bucket.selectedItems.length - 1; item >= 0; item-- )      bucket.removeChild(bucket.selectedItems[item]);    gContentChanged = true;  }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/47e9797c2c6f11e7df6f87d3d2320206c3239e82/MsgComposeCommands.js/buggy/mailnews/compose/resources/content/MsgComposeCommands.js