added: Backcompatibility with old proxy syntax.

src/core.js

@@ -739,6 +739,12 @@ jQuery.extend({
	proxy: function( fn, context ) {
		var args, proxy;

		// XXX BACKCOMPAT: Support old string method.
		if ( typeof context === "string" ) {
			fn = fn[ context ];
			context = arguments[0];
		}

		// Quick check to determine if target is callable, in the spec
		// this throws a TypeError, but we will just return undefined.
		if ( ! jQuery.isFunction( fn ) ) {

test/unit/core.js

@@ -869,7 +869,7 @@ test("jQuery.isEmptyObject", function(){
});

test("jQuery.proxy", function(){
	expect(5);
	expect(6);

	var test = function(){ equals( this, thisObject, "Make sure that scope is set properly." ); };
	var thisObject = { foo: "bar", method: test };
@@ -890,6 +890,10 @@ test("jQuery.proxy", function(){
        // Partial application w/ normal arguments
        var test3 = function( a, b ){ equals( b, "normal", "Ensure arguments can be pre-applied and passed as usual." ); };
        jQuery.proxy( test3, null, "pre-applied" )( "normal" );

	// Test old syntax
	var test4 = { meth: function( a ){ equals( a, "boom", "Ensure old syntax works." ); } };
	jQuery.proxy( test4, "meth" )( "boom" );
});

test("jQuery.parseJSON", function(){