rem: escape(this.displayName), 
add: encodeURIComponent(this.displayName), 
context: createNewAttachmentInfo.prototype.openAttachment = function openAttachment(){  messenger.openAttachment(this.contentType,                            this.url,                            escape(this.displayName),                            this.uri);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5e7848db380e8ce2ebad479c6c7e9b171ee816dd/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js