Removing a stale line of code in `.data()`

src/data.js

@@ -158,14 +158,15 @@ jQuery.extend({
 
 			if ( thisCache ) {
 
-				// Support space separated names
-				if ( jQuery.isArray( name ) ) {
-					name = name;
-				} else if ( name in thisCache ) {
+				// Support array or space separated string names for data keys
+				if ( !jQuery.isArray( name ) ) {
+
+					// try the string as a key before any manipulation
+					if ( name in thisCache ) {
 						name = [ name ];
 					} else {
 
-					// split the camel cased version by spaces
+						// split the camel cased version by spaces unless a key with the spaces exists
 						name = jQuery.camelCase( name );
 						if ( name in thisCache ) {
 							name = [ name ];
@@ -173,6 +174,7 @@ jQuery.extend({
 							name = name.split( " " );
 						}
 					}
+				}
 
 				for ( i = 0, l = name.length; i < l; i++ ) {
 					delete thisCache[ name[i] ];