[RFC4790]
creates an abstraction framework so
that application protocols can precisely identify a comparison
function and the repertoire of comparison functions can be extended
in the future. This document defines an IANA maintained registry of collations
for comparing, searching and sorting international strings.
Registration Procedures: New collations are added to this
registry through a process of expert review. Proposals for new collations are
to be formated using the template defined in: [RFC4790]
and sent to iana&iana.org. Documents are then
passed to the designated expert for review.
The following is the list of comparators: