rem: return tokens.split(/\]?(?:\[|$)/).shift(); 
add: return tokens.split(/\]?(?:\[|$)/).shift(); 
context: function testfunc(tokens) {    return tokens.split(/\]?(?:\[|$)/).shift();}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/0b675418ba636127763e94e614e62364d6caa659/regress-254974.js/buggy/js/tests/js1_5/Regress/regress-254974.js