From a380ebabd520e850807ed8bc722ffe018bfa5379 Mon Sep 17 00:00:00 2001
From: jdecuyper <jerome.decuyper@gmail.com>
Date: Fri, 30 Aug 2013 18:16:41 -0500
Subject: [PATCH] Remove duplicated options from multi-valued select boxes.

---
 select2.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/select2.js b/select2.js
index 3e9c929d..37abcec4 100644
--- a/select2.js
+++ b/select2.js
@@ -2842,9 +2842,7 @@ the specific language governing permissions and limitations under the Apache Lic
                 return;
             }
 
-            index = indexOf(this.id(data), val);
-
-            if (index >= 0) {
+            while((index = indexOf(this.id(data), val)) >= 0) {
                 val.splice(index, 1);
                 this.setVal(val);
                 if (this.select) this.postprocessResults();