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bug#14645: Keep highlighting face foreground
From: |
Lars Ingebrigtsen |
Subject: |
bug#14645: Keep highlighting face foreground |
Date: |
Thu, 13 Aug 2020 13:35:13 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Juri Linkov <juri@jurta.org> writes:
> I was going to propose a similar change to use `add-face-text-property'
> in hi-lock, but it turned out to be much simpler because hi-lock
> is based on font-lock that already has `font-lock-prepend-text-property'
> that does the same:
>
> === modified file 'lisp/hi-lock.el'
> --- lisp/hi-lock.el 2013-06-03 08:51:50 +0000
> +++ lisp/hi-lock.el 2013-06-19 23:12:05 +0000
> @@ -715,7 +690,7 @@ (defun hi-lock-set-pattern (regexp face)
> "Highlight REGEXP with face FACE."
> ;; Hashcons the regexp, so it can be passed to remove-overlays later.
> (setq regexp (hi-lock--hashcons regexp))
> - (let ((pattern (list regexp (list 0 (list 'quote face) t))))
> + (let ((pattern (list regexp (list 0 (list 'quote face) 'prepend))))
If I'm reading this correctly, something similar has been added in the
intervening years:
(let ((pattern (list (lambda (limit)
(let ((case-fold-search case-fold)
(search-spaces-regexp spaces-regexp))
(re-search-forward regexp limit t)))
(list subexp (list 'quote face) 'prepend)))
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no