Requirements document (Re: New version, draft-faltstrom-idnabis-tables-02.txt, available)

Simon Josefsson simon at
Mon Jun 18 12:53:04 CEST 2007

"Vint Cerf" <vint at> writes:

> I would have thought that consideration of passwords is entirely irrelevant
> to the consideration of characters to be used in domain names.

StringPrep is part of the IDNA algorithm, and StringPrep is used for
non-IDN purposes.  See SASLPrep:

If you want to revise StringPrep, I believe you should take into
considerations the non-IDN purposes as well.  Alternatively, explicitly
declare that you don't care about the non-IDN users.


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