Fix #10791. SVG clamors for special treatment of its class names.

src/event.js

@@ -21,7 +21,7 @@ var rformElems = /^(?:textarea|input|select)$/i,
		return (
			(!m[1] || elem.nodeName.toLowerCase() === m[1]) &&
			(!m[2] || elem.id === m[2]) &&
			(!m[3] || m[3].test( elem.className ))
			(!m[3] || m[3].test( ((elem.attributes || {})[ "class" ] || {}).value ))
		);
	},
	hoverHack = function( events ) {

test/unit/event.js

@@ -1184,6 +1184,31 @@ test(".trigger() doesn't bubble load event (#10717)", function() {
	jQuery( window ).off( "load" );
});

test("Delegated events in SVG (#10791)", function() {
	expect(2);

	var svg = jQuery(
			'<svg height="1" version="1.1" width="1" xmlns="http://www.w3.org/2000/svg">'+
			'<rect class="svg-by-class" x="10" y="20" width="100" height="60" r="10" rx="10" ry="10"></rect>'+
			'<rect id="svg-by-id" x="10" y="20" width="100" height="60" r="10" rx="10" ry="10"></rect>'+
			'</svg>'
		).appendTo( "body" );
	
	jQuery( "body" )
		.on( "click", "#svg-by-id", function() {
			ok( true, "delegated id selector" );
		})
		.on( "click", ".svg-by-class", function() {
			ok( true, "delegated class selector" );
		})
		.find( "#svg-by-id, .svg-by-class" )
			.trigger( "click" )
		.end()
		.off( "click" );

	svg.remove();
});

test("jQuery.Event( type, props )", function() {

	expect(5);