rem: if(commandName in commands) { 
add: if(commandName in commands) 
context: function commandFilter(message) {    if(message.body == undefined)        return message;        var match = message.body.toString().match(/^\/(\w+)($|\s.+$)/);    if(!match)        return message;    var [_, commandName, argstring] = match;    if(commandName in commands) {        return commands[commandName].call(null, argstring);    } else {        window.alert('Unknown command: ' + command);        return null;    }    return null;}
meta: 1705	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1705/cdd0e49a83134c4accc09657937f5ffb4375cf0e/out_filters.js/clean/chrome/content/app/lib/out_filters.js