Identity (TAG issue URIEquivalence-15)
- Two IRIs are identical if they match character-by-character
- Two IRIs are identical if converted to URIs, they match
- Syntax or infoset?
- xlink:href='http://www.w3.org' ==
xlink:href='http://www.w3.org'
- Escaping of non-reserved bytes:
- http://www.w3.org/XML =?=
http://www.w3.org/XM%4C =?=
http://www.w3.org/XM%4c
Equivalence supported by http://www.ietf.org/rfc/rfc2396.txt,
section 2.3, http://www.ietf.org/rfc/rfc1738.txt,
section 2.2, and http://www.ietf.org/rfc/rfc1630.txt,
but not necessarily in practice.
