Event: Treat Pointer events like mouse events, #14741

Ref #14741
Ref gh-1503
(cherry picked from commit e06f428f6e)

src/event.js

@@ -13,7 +13,7 @@ define([
 
 var rformElems = /^(?:input|select|textarea)$/i,
 	rkeyEvent = /^key/,
-	rmouseEvent = /^(?:mouse|contextmenu)|click/,
+	rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
 	rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
 	rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
 
@@ -766,7 +766,9 @@ jQuery.Event.prototype = {
 // Create mouseenter/leave events using mouseover/out and event-time checks
 jQuery.each({
 	mouseenter: "mouseover",
-	mouseleave: "mouseout"
+	mouseleave: "mouseout",
+	pointerenter: "pointerover",
+	pointerleave: "pointerout"
 }, function( orig, fix ) {
 	jQuery.event.special[ orig ] = {
 		delegateType: fix,