rem: rv = ch.charCodeAt().toString(16); 
add: var rv = ch.charCodeAt().toString(16); 
context:     function replaceNonPrintables(ch)    {        rv = ch.charCodeAt().toString(16);        if (rv.length == 1)            rv = "0" + rv;        else if (rv.length == 3)            rv = "u0" + rv;        else if (rv.length == 4)            rv = "u" + rv;              return "%" + rv;    };
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/109336d0b8fdd8c36f286cd3838670ec35708394/utils.js/clean/js/lib/utils.js