Middle-ages 
xmlns:xlink="http://www.w3.org/1999/xlink/namespace /">
XLink above, xlink below. Choose one.. -TE

<!--The previous URL matches the draft specification -->
<!--Check the current spec for the current URL -->
<!--This is warfare.xml-->
[lots of text and markup here]
These <xlink:extended
role="weapon list"
title="Description of Weapons"
showdefault="new"
show actuate="onRequest">weapons
<xlink:locator title="Longbow" href= "longbow.htm"/>
<xlink:locator title="Crossbow" href="crossbow.htm"/>
<xlink:locator title="Stirrup" href="stirrup.xml"/>

<xlink:extended>
revolutionized medieval warfare, making it more lethal and bloody
[lots more text and markup here]
</Middle-ages>