| <!ELEMENT simple ANY> |
| <!ATTLIST simple |
| xlink:type (simple) #FIXED "simple" |
| xlink:href CDATA #IMPLIED |
| xlink:role CDATA #IMPLIED |
| xlink:arcrole CDATA #IMPLIED |
| xlink:title CDATA #IMPLIED |
| xlink:show (new |
| |replace |
| |embed |
| |other |
| |none) #IMPLIED |
| xlink:actuate (onLoad |
| |onRequest |
| |other |
| |none) #IMPLIED> |
| |
| <!ELEMENT extended ((title|resource|locator|arc)*)> |
| <!ATTLIST extended |
| xmlns:xlink CDATA #FIXED "http://www.w3.org/1999/xlink" |
| xlink:type (extended) #FIXED "extended" |
| xlink:role CDATA #IMPLIED |
| xlink:title CDATA #IMPLIED> |
| |
| <!ELEMENT title ANY> |
| <!-- xml:lang is not required, but provides much of the motivation |
| for title elements in addition to attributes, and so is provided |
| here for convenience --> |
| <!ATTLIST title |
| xlink:type (title) #FIXED "title" |
| xml:lang CDATA #IMPLIED> |
| |
| <!ELEMENT resource ANY> |
| <!ATTLIST resource |
| xlink:type (resource) #FIXED "resource" |
| xlink:role CDATA #IMPLIED |
| xlink:title CDATA #IMPLIED |
| xlink:label NMTOKEN #IMPLIED> |
| |
| <!ELEMENT locator (title*)> |
| <!-- label is not required, but locators have no particular XLink |
| function if they are not labeled --> |
| <!ATTLIST locator |
| xlink:type (locator) #FIXED "locator" |
| xlink:href CDATA #REQUIRED |
| xlink:role CDATA #IMPLIED |
| xlink:title CDATA #IMPLIED |
| xlink:label NMTOKEN #IMPLIED> |
| |
| <!ELEMENT arc (title*)> |
| <!-- from and to have default behavior when values are missing --> |
| <!ATTLIST arc |
| xlink:type (arc) #FIXED "arc" |
| xlink:arcrole CDATA #IMPLIED |
| xlink:title CDATA #IMPLIED |
| xlink:show (new |
| |replace |
| |embed |
| |other |
| |none) #IMPLIED |
| xlink:actuate (onLoad |
| |onRequest |
| |other |
| |none) #IMPLIED |
| xlink:from NMTOKEN #IMPLIED |
| xlink:to NMTOKEN #IMPLIED> |
