The Tor Browser / file revision

 // Copyright 2009 the Sputnik authors.  All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * Single line comment can contain HORIZONTAL TAB (U+0009)

  *

  * @path ch07/7.2/S7.2_A3.1_T1.js

  * @description Use HORIZONTAL TAB(\u0009)

  */

 // CHECK#1

 eval("//\u0009 single line \u0009 comment \u0009");

 //CHECK#2

 var x = 0;

 eval("//\u0009 single line \u0009 comment \u0009 x = 1;");

 if (x !== 0) {

   $ERROR('#1: var x = 0; eval("//\\u0009 single line \\u0009 comment \\u0009 x = 1;"); x === 0. Actual: ' + (x));

 }