Clone this.options so we don't mutate it

lib/proto/handle-response.js

@@ -3,11 +3,11 @@ var newUid = require("../uniqueid.js")
 var trigger = require("../events/trigger.js")
 
 module.exports = function(responseText, request, href) {
+  var tempOptions = clone(this.options);
+  tempOptions.request = request
+
   // Fail if unable to load HTML via AJAX
   if (responseText === false) {
-    var tempOptions = this.options
-    tempOptions.request = request
-
     trigger(document, "pjax:complete pjax:error", tempOptions)
 
     return
@@ -55,9 +55,7 @@ module.exports = function(responseText, request, href) {
     this.loadContent(responseText, this.options)
   }
   catch (e) {
-    var tempOptions2 = this.options
-    tempOptions2.request = request
-    trigger(document, "pjax:error", tempOptions2)
+    trigger(document, "pjax:error", tempOptions)
 
     if (!this.options.debug) {
       if (console && console.error) {