add: return undefined; 
context: function sc_Char(c) {    var cached = sc_Char.lazy[c];    if (cached)	return cached;    this.val = c;    sc_Char.lazy[c] = this;}
meta: 4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4636/6f126e296c2abf467096563f59303f565c8bd74d/runtime.js/buggy/scheme2js/runtime/runtime.js