%might-link-atts;
XLink Linking Attributes for Optional Linking
Used for elements which may link to an external source or to an object within the document, but which do not necessarily act as a link at all. The attribute @xlink:href identifies the object to which the link points.
Model
<!ENTITY % might-link-atts
"xmlns:xlink CDATA #IMPLIED
xlink:type (simple) #IMPLIED
xlink:href CDATA #IMPLIED
xlink:role CDATA #IMPLIED
xlink:title CDATA #IMPLIED
xlink:show (embed | new | none | other | replace)
#IMPLIED
xlink:actuate
(none | onLoad | onRequest | other)
#IMPLIED" >