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bug#16500: 24.3.50; Wrong font-lock backquote highlighting in plan9 rc
From: |
Lars Ingebrigtsen |
Subject: |
bug#16500: 24.3.50; Wrong font-lock backquote highlighting in plan9 rc |
Date: |
Sat, 03 Sep 2022 12:02:15 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Vasilij Schneidermann <mail@vasilij.de> writes:
> I've run into this bug while switching all my sh/bash scripts to rc and
> used the following workaround:
>
> (defun my-sh-set-shell-hook ()
> (when (member sh-shell '(rc es))
> (modify-syntax-entry ?` ".")))
>
> (add-hook 'sh-set-shell-hook 'my-sh-set-shell-hook)
>
> I doubt this warrants inclusion into sh-script.el as is, but should
> demonstrate a possible approach how to fix it.
But we want the {...} to be fontified as a quoted-exec, so I think the
correct fix here is to make { } be a pair after ` in the rc version?
That is, tweak this:
(defun sh-font-lock-syntactic-face-function (state)
(let ((q (nth 3 state)))
(if q
(if (characterp q)
(if (eq q ?\`) 'sh-quoted-exec font-lock-string-face)
'sh-heredoc)
font-lock-comment-face)))
Possibly...