add: obj.isExternalAttachment = aAttachment.isExternalAttachment; 
context: function cloneAttachment(aAttachment){  var obj = new Object();  obj.contentType = aAttachment.contentType;  obj.url = aAttachment.url;  obj.displayName = aAttachment.displayName;  obj.messageUri = aAttachment.uri;  return obj;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/38ca496c7d84096946be40252c789bca175e28ba/msgHdrViewOverlay.js/buggy/mail/base/content/msgHdrViewOverlay.js