rem: this.notDownloaded = notDownloaded; 
add: this.isExternalAttachment = isExternalAttachment; 
context: function createNewAttachmentInfo(contentType, url, displayName, uri, notDownloaded){  this.contentType = contentType;  this.url = url;  this.displayName = displayName;  this.uri = uri;  this.notDownloaded = notDownloaded;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/38ca496c7d84096946be40252c789bca175e28ba/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js