Fixes #10477. Get `.off(type, null, fn)` right.

src/event.js

@@ -953,7 +953,7 @@ jQuery.fn.extend({
 			}
 			return this;
 		}
-		if ( typeof selector !== "string" ) {
+		if ( selector === false || typeof selector === "function" ) {
 			// ( types [, fn] )
 			fn = selector;
 			selector = undefined;

test/unit/event.js

@@ -704,7 +704,7 @@ test("bind()/trigger()/unbind() on plain object", function() {
 });
 
 test("unbind(type)", function() {
-	expect( 0 );
+	expect( 1 );
 
 	var $elem = jQuery("#firstp"),
 		message;
@@ -736,6 +736,17 @@ test("unbind(type)", function() {
 	$elem.bind("error1 error2.test",error)
 		.unbind()
 		.trigger("error1").triggerHandler("error2");
+
+	// Should only unbind the specified function
+	jQuery( document ).bind( "click", function(){
+		ok( true, "called handler after selective removal");
+	});
+	var func = function(){ };
+	jQuery( document )
+		.bind( "click", func )
+		.unbind( "click", func )
+		.click()
+		.unbind( "click" );
 });
 
 test("unbind(eventObject)", function() {