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Classifying NEL (FW: about section 3.9, line boundary, and NEL)

I contacted the folks at the Unicode Consortium and asked whether the
explanations of line endings in the standard annex #13 would not put NEL in
the line boundary control list. Ken Wheeler responed as follows (and later
said it would be no problem to forward this).

And so the question of whether appealing directly to Unicode resolves
whether NEL can be but in XML's S production is still up in the air.

----- Original Message -----
From: "Kenneth Whistler" <kenw@sybase.com>
To: <rees@server.mediafusion.co.jp>
Cc: <adollen@ix.netcom.com>; <kenw@sybase.com>
Sent: Thursday, July 26, 2001 5:52 AM
Subject: Re: FW: about section 3.9, line boundary, and NEL

> Dear Mr. Rees,
> Thanks for reporting this, but I believe the relevant listing
> of characters listing as having line boundary control should
> probably stay as is. NEL is unusual in that it is a C1 control
> function, and not all implementations of C1 control *codes*
> map the functions to the same locations as ISO 6429. The
> Unicode Standard is agnostic regarding the mapping of C1
> control functions. If you look at the names list, the
> entire list U+0080..U+009F is listed just as "<control>", with
> the ISO 6429 control functions given as aliases, rather than
> as normative character names.
> So giving a line boundary control property to U+0085 could
> be misleading to some implementations.
> I think the right way to handle this might be to add to the
> annotation regarding NEL in the table in UAX #13 to clarify
> its exceptional status in the Unicode Standard. Note that
> the entire text of UAX #13 is going to be incorporated into
> the main text of the Unicode Standard when we publish Unicode 4.0,
> so there will be a chance to make clarifying edits of this
> sort.
> Sincerely,
> --Ken Whistler, Technical Director, Unicode, Inc.
> > -----Original Message-----
> > From: Joel Rees [mailto:rees@server.mediafusion.co.jp]
> > Sent: Wednesday, July 25, 2001 1:50 AM
> > To: errata@unicode.org
> > Subject: about section 3.9, line boundary, and NEL
> >
> >
> > Noting that the new version of standard annex #13 appears to put NEL
> > in with
> > the line boundary control group. This should probably cause an errata
> > or
> > corrigendum for sec. 3.9 (p. 48 of the 3.0 book)?
> >
> >
> > Joel Rees
> > programmer -- rees@mediafusion.co.jp
> > [snip]

Joel Rees
programmer -- rees@mediafusion.co.jp
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