Data: shave off a couple of bytes

Closes gh-1931

Author: FarSeeing

src/data.js

@@ -1,10 +1,9 @@
 define([
 	"./core",
-	"./var/rnotwhite",
 	"./core/access",
 	"./data/var/dataPriv",
 	"./data/var/dataUser"
-], function( jQuery, rnotwhite, access, dataPriv, dataUser ) {
+], function( jQuery, access, dataPriv, dataUser ) {
 
 //	Implementation Summary
 //
@@ -17,15 +16,15 @@ define([
 //	6. Provide a clear path for implementation upgrade to WeakMap in 2014
 
 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
-	rmultiDash = /([A-Z])/g;
+	rmultiDash = /[A-Z]/g;
 
 function dataAttr( elem, key, data ) {
 	var name;
 
 	// If nothing was found internally, try to fetch any
 	// data from the HTML5 data-* attribute
 	if ( data === undefined && elem.nodeType === 1 ) {
-		name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
+		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
 		data = elem.getAttribute( name );
 
 		if ( typeof data === "string" ) {