jQuery data.js diff from 1.5.2 to 1.6

data.js.diff

diff --git a/src/data.js b/src/data.js
index 2d53a71..c2fd558 100644
--- a/src/data.js
+++ b/src/data.js
@@ -1,6 +1,7 @@
 (function( jQuery ) {
 
-var rbrace = /^(?:\{.*\}|\[.*\])$/;
+var rbrace = /^(?:\{.*\}|\[.*\])$/,
+       rmultiDash = /([a-z])([A-Z])/g;
 
 jQuery.extend({
        cache: {},
@@ -223,12 +224,13 @@ jQuery.fn.extend({
                                data = jQuery.data( this[0] );
 
                                if ( this[0].nodeType === 1 ) {
-                                       var attr = this[0].attributes, name;
+                           var attr = this[0].attributes, name;
                                        for ( var i = 0, l = attr.length; i < l; i++ ) {
                                                name = attr[i].name;
 
                                                if ( name.indexOf( "data-" ) === 0 ) {
-                                                       name = name.substr( 5 );
+                                                       name = jQuery.camelCase( name.substring(5) );
+
                                                        dataAttr( this[0], name, data[ name ] );
                                                }
                                        }
@@ -282,7 +284,9 @@ function dataAttr( elem, key, data ) {
        // If nothing was found internally, try to fetch any
        // data from the HTML5 data-* attribute
        if ( data === undefined && elem.nodeType === 1 ) {
-               data = elem.getAttribute( "data-" + key );
+               name = "data-" + key.replace( rmultiDash, "$1-$2" ).toLowerCase();
+
+               data = elem.getAttribute( name );
 
                if ( typeof data === "string" ) {
                        try {