From 91ca71daaab767f288f7173733f2bd907d8397a8 Mon Sep 17 00:00:00 2001
From: jaubourg <j@ubourg.net>
Date: Mon, 31 Jan 2011 10:13:54 +0100
Subject: [PATCH] Ensures dataTypeExpressions are lowercased for prefilters and
 transports registrations.

---
 src/ajax.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ajax.js b/src/ajax.js
index 383ba2b1f..363e9c851 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -48,7 +48,7 @@ function addToPrefiltersOrTransports( structure ) {
 		}
 
 		if ( jQuery.isFunction( func ) ) {
-			var dataTypes = dataTypeExpression.split( rspacesAjax ),
+			var dataTypes = dataTypeExpression.toLowerCase().split( rspacesAjax ),
 				i = 0,
 				length = dataTypes.length,
 				dataType,
@@ -62,7 +62,7 @@ function addToPrefiltersOrTransports( structure ) {
 				// any existing element
 				placeBefore = /^\+/.test( dataType );
 				if ( placeBefore ) {
-					dataType = dataType.substr( 1 );
+					dataType = dataType.substr( 1 ) || "*";
 				}
 				list = structure[ dataType ] = structure[ dataType ] || [];
 				// then we add to the structure accordingly
-- 
2.39.5