Restore rhtmlString to its original form. 1.9 will come with starts-with html...

Restore rhtmlString to its original form. 1.9 will come with starts-with html matching. For now, we are warning against broad use of jQuery() to parse html.

src/core.js

@@ -41,8 +41,7 @@ var
 
 	// A simple way to check for HTML strings
 	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
-	// Ignore html if within quotes "" '' or brackets/parens [] ()
-	rhtmlString = /^(?:[^#<\\]*(<[\w\W]+>)(?![^\[]*\])(?![^\(]*\))(?![^']*')(?![^"]*")[^>]*$)/,
+	rhtmlString = /^(?:[^#<]*(<[\w\W]+>)[^>]*$)/,
 
 	// Match a standalone tag
 	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,

test/unit/core.js

@@ -605,7 +605,7 @@ test("isWindow", function() {
 });
 
 test("jQuery('html')", function() {
-	expect( 22 );
+	expect( 18 );
 
 	QUnit.reset();
 	jQuery.foo = false;
@@ -638,10 +638,10 @@ test("jQuery('html')", function() {
 	ok( jQuery("<div></div>")[0], "Create a div with closing tag." );
 	ok( jQuery("<table></table>")[0], "Create a table with closing tag." );
 
-	equal( jQuery("element[attribute='<div></div>']").length, 0, "When html is within brackets, do not recognize as html." );
-	equal( jQuery("element[attribute=<div></div>]").length, 0, "When html is within brackets, do not recognize as html." );
-	equal( jQuery("element:not(<div></div>)").length, 0, "When html is within parens, do not recognize as html." );
-	equal( jQuery("\\<div\\>").length, 0, "Ignore escaped html characters" );
+	// equal( jQuery("element[attribute='<div></div>']").length, 0, "When html is within brackets, do not recognize as html." );
+	// equal( jQuery("element[attribute=<div></div>]").length, 0, "When html is within brackets, do not recognize as html." );
+	// equal( jQuery("element:not(<div></div>)").length, 0, "When html is within parens, do not recognize as html." );
+	// equal( jQuery("\\<div\\>").length, 0, "Ignore escaped html characters" );
 
 	// Test very large html string #7990
 	var i;