fix ui.save not detect escape key

change event from onkeypress to onkeyup because onkeypress cannot detect escape key press
if (e.keyCode === 27)

Author: me7

todomvc/todomvc.js

@@ -104,7 +104,7 @@ var Todos = {
 								m("label", {ondblclick: function() {state.dispatch("edit", [todo])}}, todo.title),
 								m("button.destroy", {onclick: function() {state.dispatch("destroy", [todo])}}),
 							]),
-							m("input.edit", {onupdate: function(vnode) {ui.focus(vnode, todo)}, onkeypress: ui.save, onblur: ui.save})
+							m("input.edit", {onupdate: function(vnode) {ui.focus(vnode, todo)}, onkeyup: ui.save, onblur: ui.save})
 						])
 					}),
 				]),