rem: return tokens.split(/\]?(?:\[|$)/).shift(); 
add: return tokens.split(/\]?(?:\[|$)/).shift(); 
context: function testfunc(tokens) {    return tokens.split(/\]?(?:\[|$)/).shift();}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/3703c3c05f398a63e55992f7687ef65273b26d6a/regress-254974.js/clean/js/tests/js1_5/Regress/regress-254974.js