Simple links, cont’d
Sample declaration for simple linking element
<!ELEMENT simple ANY> <!ATTLIST simple xlink:form CDATA #FIXED "simple" href CDATA #REQUIRED 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>