XPointer is…
A language for pointing to subparts of XML resources
- Even things that don’t have IDs
Based on the Text Encoding Initiative (TEI)“extended pointer” notation
Usable in association with URLs/URIs
- In href attributes<a href="http://www.w3.org/TR/WD-xlink#id(foo)">
- In XML system identifiers<!ENTITY bar SYSTEM "http://www.w3.org/TR/WD-xlink#id(foo)">