<?xml version="1.0"?>
<!-- this example demonstrates using markup to specify a rich user interface -->
<frame text="My Window" size="[300,300]">
  <label text="Save changes" bounds="[10,10,290,30]"/>
  <panel bounds="[10,40,290,290]">
    <button text="OK" action="save()"/>
    <button text="Cancel" action="close()"/>
  </panel>
</frame>