Re: rather than argue and bicker about who said what...

Russ Allbery <rra@stanford.edu> Fri, 17 January 2003 23:39 UTC

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Subject: Re: rather than argue and bicker about who said what...
References: <20030115141509.249e6d96.moore@cs.utk.edu> <H8tF87.EvM@clw.cs.man.ac.uk> <20030116181613.13bd871d.moore@cs.utk.edu> <yladi0oe6k.fsf@windlord.stanford.edu> <H8uzA0.28@clw.cs.man.ac.uk>
In-Reply-To: <H8uzA0.28@clw.cs.man.ac.uk> ("Charles Lindsey"'s message of "Fri, 17 Jan 2003 12:42:00 GMT")
From: Russ Allbery <rra@stanford.edu>
Organization: The Eyrie
Date: Fri, 17 Jan 2003 15:39:34 -0800
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Charles Lindsey <chl@clw.cs.man.ac.uk> writes:

> That is actually a very good point. There is an expectation, built into
> NNTP, that users will be able to filter newsgroup-names using "wildmats"
> (which are a restricted form of regular expression). The draft of the
> new NNTP standard (draft-ietf-nntpext-base-15.txt) goes to considerable
> trouble to define wildmats in such a way that they will work with UTF-8.

Which is an argument in favor of using UTF-8 newsgroup names on the wire
between news servers, since then a UTF-8-aware wildmat will work as one
expects.  If newsgroup names are decoded into UTF-8 before matching,
wildmat matches will always work as expected.

I can see why Andrew proposed what he did.  Re-encoding at the news/mail
boundary for only those three headers (Newsgroups, Followup-To, and
Control) may be easier than trying to push IDNA all the way down into the
server and dealing with things like wildmat patterns.

-- 
Russ Allbery (rra@stanford.edu)             <http://www.eyrie.org/~eagle/>