Block element used to create a horizontal line (or rule).
The welcome.mlyt layout can be found in the MCS/repository/xml-repository directory.
<?xml version="1.0" encoding="UTF-8"?>
<canvas layoutName="/welcome.mlyt" pageTitle="hr">
<pane name="background">
<h1>About XDIME</h1>
<hr/>
<p>Browser features can vary considerably.</p>
<blockquote>For example, some will automatically indent blockquotes
from the main text margins.</blockquote>
</pane>
</canvas>