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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Emacs regexp scan (Sep 29)
Date: Sat, 05 Oct 2019 19:03:22 +0300
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Cc: mattiase@acm.org, eggert@cs.ucla.edu, emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Paul Eggert <eggert@cs.ucla.edu>,  mattiase@acm.org,  emacs-devel@gnu.org
> Date: Sat, 05 Oct 2019 11:20:24 -0400
> 
> > That's it.  And I personally can see no confusion in the likes of
> > "[-+]", whereas I did need to consult the manual to learn that "[+-]"
> > is also right.  So at least for me, the confusion worked the other way
> > around.
> 
> As discussed here a while back, putting `-` as the last char is actually
> the only choice which always works (because it can't be the first char
> when that first char has to be `]`), so I recommend to always put `-` as
> the last char.

That's unrelated.  I was talking about modifying _existing_ code, not
about writing new code.