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Re: Unicode/UTF-8 issues (was: comments on draft-ietf-sasl-anon-00)

Alexey Melnikov <mel@messagingdirect.com> Thu, 20 February 2003 18:25 UTC

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Date: Thu, 20 Feb 2003 11:24:58 -0700
From: Alexey Melnikov <mel@messagingdirect.com>
Organization: ACI WorldWide / MessagingDirect
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To: "Kurt D. Zeilenga" <Kurt@OpenLDAP.org>
CC: Philip Guenther <guenther@sendmail.com>, ietf-sasl@imc.org
Subject: Re: Unicode/UTF-8 issues (was: comments on draft-ietf-sasl-anon-00)
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"Kurt D. Zeilenga" wrote:

> At 11:54 PM 2/19/2003, Philip Guenther wrote:
> >The syntax for UTF-8 characters in the draft permits "non-shortest form"
> >encodings
>
> I'm not exactly sure what you are referring to here.  The
> draft says that the trace information is transferred as
> string of UTF-8 encoded Unicode characters.  A non-shorted
> form UTF-8 encoding of a Unicode character is invalid per
> RFC 2247.  I believe draft-yergeau-rfc2279bis-04.txt is
> more clear on this, so I'll change the reference.

I believe Philip was referring to ABNF which allows for overlong UTF8
sequences.

> If, however, you mean that the string of Unicode characters
> is not normalized using an algorithm which produces the
> minimum number of code points, yes.  This is as intended.

Regards,
Alexey
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