rem: escape(aAttachment.displayName), 
add: encodeURIComponent(aAttachment.displayName), 
context: function saveAttachment(aAttachment){  messenger.saveAttachment(aAttachment.contentType,                            aAttachment.url,                            escape(aAttachment.displayName),                            aAttachment.messageUri);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5e7848db380e8ce2ebad479c6c7e9b171ee816dd/msgHdrViewOverlay.js/clean/mail/base/content/msgHdrViewOverlay.js