merging matehat's flexible splats (at any position within argument lists)

lib/lexer.js

@@ -227,7 +227,7 @@
     // balanced (ie. strings, JS literals).
     Lexer.prototype.balanced_token = function balanced_token() {
       var delimited;
-      delimited = Array.prototype.slice.call(arguments, 0);
+      delimited = Array.prototype.slice.call(arguments, 0, arguments.length - 0);
       return balanced_string(this.chunk, delimited);
     };
     // Matches and conumes comments. We pass through comments into JavaScript,