rem: function mng_addrule (name, regex, className) 
add: function mng_addrule (name, regex, className, enable) 
context: function mng_addrule (name, regex, className){        this.entries[name] = new CMungerEntry (name, regex, className);    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/132f8e334cbbe9350453a997f7ccbf78e7b2458f/munger.js/buggy/extensions/irc/xul/lib/munger.js