rem: return string; 
add: return string; 
context: function ToUnicodeString( n ) {    var string = ToHexString(n);    for ( var PAD = (4 - string.length ); PAD > 0; PAD-- ) {        string = "0" + string;    }    return string;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/4218d0f5950d93cb2609d946f6af7ce1b2e89575/15.1.2.4.js/clean/js/tests/ecma/GlobalObject/15.1.2.4.js