Extended links, cont’d
Sample declaration for extended linking element
<!ELEMENT extended ANY> <!--(locator+)--> <!ATTLIST extended xlink:form CDATA #FIXED "extended" inline (true|false) "true" role CDATA #IMPLIED title CDATA #IMPLIED content-role CDATA #IMPLIED content-title CDATA #IMPLIED show (...) "replace" actuate (...) "user" behavior CDATA #IMPLIED>