Made jQuery('<div/>') and jQuery('<div></div>') use the same code path (making...

Made jQuery('<div/>') and jQuery('<div></div>') use the same code path (making the second one faster). Fixes #5293.

src/core.js

@@ -32,7 +32,7 @@ var jQuery = function( selector, context ) {
 	rtrim = /^\s+|\s+$/g,
 
 	// Match a standalone tag
-	rsingleTag = /^<(\w+)\s*\/?>$/,
+	rsingleTag = /<(\w+)\s*\/?>(?:<\/\1>)?$/,
 
 	// Keep a UserAgent string for use with jQuery.browser
 	userAgent = navigator.userAgent.toLowerCase(),

test/unit/core.js

@@ -310,7 +310,7 @@ test("isXMLDoc - XML", function() {
 }
 
 test("jQuery('html')", function() {
-	expect(13);
+	expect(15);
 
 	reset();
 	jQuery.foo = false;
@@ -339,6 +339,9 @@ test("jQuery('html')", function() {
 	ok( j.length >= 2, "Check node,textnode,comment creation (some browsers delete comments)" );
 
 	ok( !jQuery("<option>test</option>")[0].selected, "Make sure that options are auto-selected #2050" );
+
+	ok( jQuery("<div></div>")[0], "Create a div with closing tag." );
+	ok( jQuery("<table></table>")[0], "Create a table with closing tag." );
 });
 
 test("jQuery('html', context)", function() {