rem: throw BadMojo (ERR_REQUIRED_PARAM, "f"); 
add: throw new BadMojo (ERR_REQUIRED_PARAM, "f"); 
context: function formatFrame (f){    if (!f)        throw BadMojo (ERR_REQUIRED_PARAM, "f");     return getMsg (MSN_FMT_FRAME,                   [f.script.functionName, formatArguments(f.scope),                    f.script.fileName, f.line]);    return s;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f3d6f202e03bf7eb5a523e578f7f3f815c60a85b/venkman-debugger.js/clean/extensions/venkman/resources/content/venkman-debugger.js