From f7d3a51589b30fd1be59339ca65b0e4bc6cfac8f Mon Sep 17 00:00:00 2001
From: Jörn Zaefferer <joern.zaefferer@gmail.com>
Date: Fri, 9 Nov 2012 17:48:25 +0100
Subject: Dialog: Only add the new dialogClass, not the base classes when
 changing the option.

---
 ui/jquery.ui.dialog.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ui/jquery.ui.dialog.js b/ui/jquery.ui.dialog.js
index f536120d5..ab32219c2 100644
--- a/ui/jquery.ui.dialog.js
+++ b/ui/jquery.ui.dialog.js
@@ -578,8 +578,7 @@ $.widget("ui.dialog", {
 			case "dialogClass":
 				uiDialog
 					.removeClass( this.options.dialogClass )
-					// TODO why adding uiDialogClasses again? we didn't remove those
-					.addClass( uiDialogClasses + value );
+					.addClass( value );
 				break;
 			case "disabled":
 				// TODO use toggleClass( "ui-dialog-disabled", value )
-- 
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