Comments on the Unicode Codepoints and IDNA Internet-Draft

[Stephane Bortzmeyer]

On Tue, Jul 29, 2008 at 02:49:31PM +0200,
 Frank Ellermann <hmdmhdfmhdjmzdtjmzdtzktdkztdjz at gmail.com> wrote 
 a message of 13 lines which said:

> There is a reason why many code points such as "mathematical fraktur
> capital B" or "black-letter capital C" are disallowed.

Do you mind if I ask the reason? 

Not only the reason why they are discouraged but the reason why they
are forbidden in the protocol.