Type of Link
The kind of link used with an element. For all elements in this Tag Suite that
can take links, this attribute may be either omitted or set to the word
“simple”, which means that the link is a simple, one-ended link.
||The link is an XML simple (one-ended) link.
|Restriction: @xlink:type is an optional attribute, but if used, is restricted to the word
<ext-link ext-link-type="url" xlink:type="simple"
xlink:title="XML-based slideshow application"
Mulberry Slideshow XML</ext-link>