[Cryptography] canonicalizing unicode strings.

[jamesd at echeque.com]

On 02/02/2018 04:16, John Levine wrote:
> This really is a well studied topic.  Anyone who cares about it should
> go do some homework and let us know how people who've dealt with this
> problem in the past have done.  I know what the answer for the DNS is,
> NFC and IDNA and scripts and language tables, but the DNS is an
> unusually sparse kind of identifier.

Well, I was asking where I could find writings and off the shelf solutions.

It would be a whole lot easier to do my homework if you could point me 
to existing documentation and existing solutions in a more specific manner.