From b034a558844991702cfc2e1cfa4e0924ee43582b Mon Sep 17 00:00:00 2001
From: Igor Vaynberg <igor.vaynberg@gmail.com>
Date: Tue, 17 Apr 2012 08:04:00 -0700
Subject: [PATCH 1/3] added todo for placeholder validation

---
 select2.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/select2.js b/select2.js
index 467ee8bd..04938b1a 100755
--- a/select2.js
+++ b/select2.js
@@ -1052,6 +1052,9 @@
         prepareOpts: function () {
             var opts = this.parent.prepareOpts.apply(this, arguments);
 
+
+            // TODO validate placeholder is a string if specified
+
             if (opts.element.get(0).tagName.toLowerCase() === "select") {
                 // install sthe selection initializer
                 this.opts.initSelection = function (element) {

From d0caa9131c69e969712aeb555494235ed7a56ef9 Mon Sep 17 00:00:00 2001
From: Igor Vaynberg <igor.vaynberg@gmail.com>
Date: Tue, 17 Apr 2012 08:05:14 -0700
Subject: [PATCH 2/3] a small tweak to empty string handling in select2.val().
 issue #34

---
 select2.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/select2.js b/select2.js
index c944514f..b432d461 100755
--- a/select2.js
+++ b/select2.js
@@ -1017,8 +1017,8 @@
                     });
                 this.updateSelection(data);
             } else {
-                // val is an object
-                this.opts.element.val((val === null || val === "") ? "" : val.id);
+                // val is an object. !val is true for [undefined,null,'']
+                this.opts.element.val(!val ? "" : val.id);
                 this.updateSelection(val);
             }
             this.setPlaceholder();

From 5ccee14cee027102beabc3e578509512b0fb8fd7 Mon Sep 17 00:00:00 2001
From: Igor Vaynberg <igor.vaynberg@gmail.com>
Date: Tue, 17 Apr 2012 08:16:22 -0700
Subject: [PATCH 3/3] remove event bindings on destroy. closes #35 closes #36

---
 select2.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/select2.js b/select2.js
index b432d461..05b5c48b 100755
--- a/select2.js
+++ b/select2.js
@@ -419,6 +419,7 @@
                 select2.container.remove();
                 select2.opts.element
                     .removeData("select2")
+                    .unbind(".select2")
                     .show();
             }
         },
@@ -503,7 +504,7 @@
          * Monitor the original element for changes and update select2 accordingly
          */
         monitorSource: function () {
-            this.opts.element.bind("change", this.bind(function (e) {
+            this.opts.element.bind("change.select2", this.bind(function (e) {
                 if (this.opts.element.data("select2-change-triggered") !== true) {
                     this.initSelection();
                 }