IANA 'charset' Registry


MIME charsets registered with IANA (Internet assigned numbers authority [RFC1790])

IANA registry is polluted by useless charsets and aliases

Unregistered charsets preceeded by x- (e.g. x-iscii-devan)

Generate most important charsets:

These identifiers are case-insensitive

use only 'MIME preferred' values, maybe accept others