XPointer extensions to XPath
- XPath
Node
concept is extended to nodes, points and ranges
and associated cast functions
- A
string-range()
function to address within (nodes) content
- The functions
here()
and origin()
to refer to
the XPointer expression location and hypertext traversal
- The functions
start-point()
and end-point()
to
address beginning and ending of locations.
- The
unique()
function to detect absence or multiple return
values.
- Initialization of the XPath context
- Restriction: no variable used in XPointer though XPath defines them