From db1d18fc5dabb6f07e0be692465d9c3c936b88fc Mon Sep 17 00:00:00 2001
From: Jeremy Leakakos and Jimmy Chao <pair+jeremy+jchao@casecommons.org>
Date: Wed, 17 Dec 2014 15:23:54 -0500
Subject: [PATCH] Fix accessible aria activedescendant attribute

Remove aria-activedescendant attribute after the dropdown is closed,
to make sure the aria properties is vaild for aduit-tool
[https://code.google.com/p/accessibility-developer-tools/wiki/AuditRules#AX_ARIA_04:_ARIA_state_and_property_values_must_be_valid]
---
 select2.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/select2.js b/select2.js
index f063563f..a0661148 100644
--- a/select2.js
+++ b/select2.js
@@ -1486,6 +1486,9 @@ the specific language governing permissions and limitations under the Apache Lic
 
             this.clearSearch();
             this.search.removeClass("select2-active");
+
+            // Remove the aria active descendant for highlighted element
+            this.search.removeAttr("aria-activedescendant");
             this.opts.element.trigger($.Event("select2-close"));
         },