GNU bug report logs - #13156
dedicated face for parentheses in lisp modes

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefan <at> marxist.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#13156: closed (dedicated face for parentheses in lisp modes)
Date: Mon, 12 Aug 2019 01:06:03 +0000

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Your message dated Mon, 12 Aug 2019 03:05:40 +0200
with message-id <CADwFkmnTdLw7whWoSDEiZvJpMOofD6J5QzwZK7K016FShQtznw <at> mail.gmail.com>
and subject line Re: bug#13156: dedicated face for parentheses in lisp modes
has caused the debbugs.gnu.org bug report #13156,
regarding dedicated face for parentheses in lisp modes
to be marked as done.

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help-debbugs <at> gnu.org.)


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13156: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=13156
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From: Jonas Bernoulli <jonas <at> bernoul.li>
To: bug-gnu-emacs <at> gnu.org
Subject: dedicated face for parentheses in lisp modes
Date: Wed, 12 Dec 2012 13:19:07 +0100

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Hello

Could you please add a `paren-face' that could be used in lisp modes
(and possibly others) to dim (or highlight) parentheses.  I am currently
using the attached library to do this but think it would make sense if
this functionality was built-in.

Being very simple `parenface.el' just unconditionally adds an additional
keyword to `[lisp|scheme]-font-lock-keywords' when loaded.

I see two ways of implementing this as part of Emacs.

1. Add the keyword to `[lisp|scheme]-font-lock-keywords-2' directly and
   let `paren-face' inherit from `default'.  Users who actually want
   parens to be dimmed or highlight can then customize the former.

2. Define a local minor mode that adds the additional keywords.

I would prefer (1) but maybe that is not an option because it might
negatively affects font-lock's performance.

If this has to be a mode then I am happy to write it.  I haven't done
so yet because `parenface.el' works fine for me and because I would
actually prefer (1).

  Thanks for considering,
  Jonas

[parenface.el (application/emacs-lisp, attachment)]

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From: Stefan Kangas <stefan <at> marxist.se>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: Jonas Bernoulli <jonas <at> bernoul.li>, 13156-done <at> debbugs.gnu.org
Subject: Re: bug#13156: dedicated face for parentheses in lisp modes
Date: Mon, 12 Aug 2019 03:05:40 +0200

tags 13156 + wontfix
thanks

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>> Could you please add a `paren-face' that could be used in lisp modes
>> (and possibly others) to dim (or highlight) parentheses.  I am currently
>> using the attached library to do this but think it would make sense if
>> this functionality was built-in.
>
> I don't think it's sufficiently useful in general.

Since this was rejected in 2012, I'm closing it as wontfix.

If anyone disagrees with that, feel free to reopen.

Thanks,
Stefan Kangas

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