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From: Eli Zaretskii <eliz@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>, Yuan Fu <casouri@gmail.com>
Cc: 19080@debbugs.gnu.org, josh@berdine.net
Subject: bug#19080: 24.4; wish: enable show-paren-mode to highlight matching same-level keywords
Date: Thu, 12 May 2022 08:36:18 +0300	[thread overview]
Message-ID: <8335hfqpm5.fsf@gnu.org> (raw)
In-Reply-To: <87lev734ok.fsf@gnus.org> (message from Lars Ingebrigtsen on Thu,  12 May 2022 03:44:43 +0200)

> Cc: 19080@debbugs.gnu.org
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Thu, 12 May 2022 03:44:43 +0200
> 
> > This starts a fresh emacs, loads the tuareg mode, enables
> > show-paren-mode, enters some ocaml code, and puts the point on a 'let'
> > keyword.
> >
> > In this situation, it would be helpful if the 'let' and corresponding
> > 'in' were highlighted in 'show-paren-match-face'.  And similarly for
> > "fun", "if", "match", and "try".
> 
> (I'm going through old bug reports that unfortunately weren't resolved
> at the time.)
> 
> I think this is rather beyond the scope of show-paren-mode (which is a
> pretty simple mode that just blinks parentheses, and not much more).

Indeed.

> A new different mode that relies on language semantics to identify
> these things would be nice, but I don't think there's anything
> actionable to be done here, so I'm closing this bug report.

We could perhaps add a new feature, based on tree-sitter, to highlight
a block of code, where the block is defined by PL rules, not by
parens, braces, and similar simple syntactic elements.

Yuan, WDYT?  Can this be added to the tree-sitter branch perhaps?





  reply	other threads:[~2022-05-12  5:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-17 11:34 bug#19080: 24.4; wish: enable show-paren-mode to highlight matching same-level keywords Josh Berdine
2022-05-12  1:44 ` Lars Ingebrigtsen
2022-05-12  5:36   ` Eli Zaretskii [this message]
2022-05-12 22:52     ` Yuan Fu
2022-05-13  5:52       ` Eli Zaretskii
2022-05-13 11:48         ` Josh Berdine
2022-05-14  5:05         ` Yuan Fu
2022-05-14  8:00           ` Visuwesh

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