json2.js in jquery-historyjs-0.3.0

- old
+ new

@@ -1,8 +1,8 @@
 /*
-    http://www.JSON.org/json2.js
-    2011-10-19
+    json2.js
+    2013-05-26
 
     Public Domain.
 
     NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
 
@@ -157,12 +157,11 @@
 
 
 // Create a JSON object only if one does not already exist. We create the
 // methods in a closure to avoid creating global variables.
 
-var JSON;
-if (!JSON) {
+if (typeof JSON !== 'object') {
     JSON = {};
 }
 
 (function () {
     'use strict';
@@ -172,11 +171,11 @@
         return n < 10 ? '0' + n : n;
     }
 
     if (typeof Date.prototype.toJSON !== 'function') {
 
-        Date.prototype.toJSON = function (key) {
+        Date.prototype.toJSON = function () {
 
             return isFinite(this.valueOf())
                 ? this.getUTCFullYear()     + '-' +
                     f(this.getUTCMonth() + 1) + '-' +
                     f(this.getUTCDate())      + 'T' +
@@ -186,10 +185,10 @@
                 : null;
         };
 
         String.prototype.toJSON      =
             Number.prototype.toJSON  =
-            Boolean.prototype.toJSON = function (key) {
+            Boolean.prototype.toJSON = function () {
                 return this.valueOf();
             };
     }
 
     var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
\ No newline at end of file