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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/b2bdd5b808132b8782a37251640ac66f7211e810/FeedItem.js/clean/mail/extensions/newsblog/content/FeedItem.js