rem: get messageID() 
add: get contentBase() 
context:   get messageID()  {    var messageID = this.id || this.mURL || this.title;    // Escape occurrences of message ID meta characters <, >, and @.    messageID.replace(/</g, "%3C");    messageID.replace(/>/g, "%3E");    messageID.replace(/@/g, "%40");    messageID = messageID + "@" + "localhost.localdomain";    return messageID;  },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/879d0b449745d0f8547f6ed4c924b8c65b16dd1a/FeedItem.js/buggy/mail/extensions/newsblog/content/FeedItem.js