The horizontal screen coordinate of the right of the stimulus.
<button> <clock> <picture> <shape> <text> <video>
This property returns the right of the stimulus in screen pixels.
The following displays the value of right in a text stimulus:
<text sometext>
/ items= ("right = <% text.foo.right %>")
</text>
The following displays the value of right in an instruction page:
<page somepage>
right = <% defaults.right %>
</page>