From e6e29ac1b0d6780241ced3d5ebcb0558e219e468 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Mon, 31 Aug 2009 05:51:08 +0000
Subject: =?UTF-8?q?-=20Patch=20#444344=20by=20kkaefer,=20sun,=20Rob=20Loac?=
 =?UTF-8?q?h:=20this=20change=20introduces=20a=20jQuery=20.once()=20method?=
 =?UTF-8?q?=20which=20streamlines=20the=20way=20behavior=20functions=20wor?=
 =?UTF-8?q?k.=20Previously,=20we=20had=20to=20manually=20ensure=20that=20a?=
 =?UTF-8?q?n=20element=20is=20only=20initialized=20once.=20Usually,=20this?=
 =?UTF-8?q?=20happens=20by=20adding=20classes=20and=20selecting=20only=20t?=
 =?UTF-8?q?hose=20elements=20which=20do=20not=20have=20that=20class.=20How?=
 =?UTF-8?q?ever,=20this=20process=20can=20be=20separated=20out=20into=20a?=
 =?UTF-8?q?=20jQuery=20=E2=80=98filtering=E2=80=99=20function=20which=20do?=
 =?UTF-8?q?es=20all=20the=20grunt=20work.?=
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---
 includes/common.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'includes')

diff --git a/includes/common.inc b/includes/common.inc
index b5686cab7..ce21e4fa4 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -2960,8 +2960,9 @@ function drupal_add_js($data = NULL, $options = NULL) {
           'preprocess' => TRUE,
         ),
       );
-      // jQuery itself is registered as a library.
+      // Register all required libraries.
       drupal_add_library('system', 'jquery');
+      drupal_add_library('system', 'once');
     }
 
     switch ($options['type']) {
-- 
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