add: return null; 
context: function mng_getrule(name){    for (var p in this.entries)    {        if (isinstance(this.entries[p], Object))        {            if (name in this.entries[p])                return this.entries[p][name];        }    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/0cac291d97a3ec7f91ded6f1f5e8e5fc894da304/munger.js/clean/extensions/irc/xul/lib/munger.js