From: Marcin Borkowski <mbork@mbork.pl>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Displaying a string as another one
Date: Sat, 21 Mar 2020 15:11:25 +0100 [thread overview]
Message-ID: <87r1xlg5ma.fsf@mbork.pl> (raw)
In-Reply-To: <jwvk13ks3v5.fsf-monnier+emacs@gnu.org>
On 2020-03-16, at 16:58, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>> Does anyone have a ready-made solution?
>
> You could start with something like
>
> (defun my-decode-\n-\t ()
> (font-lock-add-keywords nil
> '(("\\\\[nt]"
> (0 (my-apply-decode (match-beginning 0) (match-end 0)))))))
>
> (defun my-apply-decode (beg end)
> (when (= 0 (mod (save-excursion (goto-char beg)
> (skip-chars-backward "\\\\"))
> 2))
> `(face nil
> display ,(string (if (eq (char-before end) ?n) ?\n ?\t)))))
>
> (add-hook 'foo-mode-hook #'my-decode-\n-\t)
Thanks a lot. This looks more complicated than I expected... I'll
experiment with this and see how it works.
Best,
--
Marcin Borkowski
http://mbork.pl
prev parent reply other threads:[~2020-03-21 14:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 10:05 Displaying a string as another one Marcin Borkowski
2020-03-16 15:58 ` Stefan Monnier
2020-03-21 14:11 ` Marcin Borkowski [this message]
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