GNU bug report logs - #7777
24.0.50; incompatible change for `directory-abbrev-alist' not in NEWS

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#7777: closed (24.0.50; incompatible change for
 `directory-abbrev-alist' not in NEWS)
Date: Fri, 07 Jan 2011 15:55:02 +0000

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Your message dated Fri, 07 Jan 2011 18:01:34 +0200
with message-id <83ei8oln35.fsf <at> gnu.org>
and subject line Re: bug#7777: 24.0.50; incompatible change for `directory-abbrev-alist' not in NEWS
has caused the GNU bug report #7777,
regarding 24.0.50; incompatible change for `directory-abbrev-alist' not in NEWS
to be marked as done.

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From: "Drew Adams" <drew.adams <at> oracle.com>
To: <bug-gnu-emacs <at> gnu.org>
Subject: 24.0.50; incompatible change for `directory-abbrev-alist' not in NEWS
Date: Mon, 3 Jan 2011 11:49:07 -0800

In Emacs 22, the doc string of `directory-abbrev-alist' says this:
 
"*Every* FROM string should start with `^'."
 
Now it says this:
 
*Every* FROM string should start with "\\`".
 
That means that *Every* existing customization is broken (or at least
contradicts the "should").  This incompatible change should be
mentioned in the NEWS.

In GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600)
 of 2010-12-20 on 3249CTO
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.4) --no-opt --cflags
-Ic:/imagesupport/include'
 

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 7777-done <at> debbugs.gnu.org
Subject: Re: bug#7777: 24.0.50;
	incompatible change for `directory-abbrev-alist' not in NEWS
Date: Fri, 07 Jan 2011 18:01:34 +0200

> From: "Drew Adams" <drew.adams <at> oracle.com>
> Cc: <7777 <at> debbugs.gnu.org>
> Date: Mon, 3 Jan 2011 20:12:33 -0800
> 
> > How about if we change the doc string to not sound like a stringent
> > requirement, but rather as a "note"?
> 
> That would be an improvement, thanks (the manual, likewise).

I fixed it on the emacs-23 branch (revision 100362).

> It would also help to explain why.  Explaining why helps avoid any
> misunderstanding wrt the older "rule", and it helps understand the new "note".

I added a short explanation.

> The other part of this bug is the location of the manual entry: Why the Elisp
> manual?  This is a user option.  If we feel it is important to tell users about
> this in a manual, why wouldn't the Emacs manual be the right one?

Its description in the ELisp manual is due to the fact that the same
node describes the abbreviate-file-name function, which uses this
variable.  As for repeating the description in the user manual, I'm
not sure this variable is important enough.  So I left this part out
of the bugfix.

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