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bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being uncondi
From: |
Ihor Radchenko |
Subject: |
bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers |
Date: |
Tue, 19 Jul 2022 12:15:33 +0800 |
Hi,
font-lock-mode contains the follow clause:
;; Don't turn on Font Lock mode if we don't have a display (we're running a
;; batch job) or if the buffer is invisible (the name starts with a space).
(when (or noninteractive (eq (aref (buffer-name) 0) ?\s))
(setq font-lock-mode nil))
which interferes with Org mode's fontification code in some edge cases.
Org mode fontifies code blocks using "hidden" temporary buffers with
their name starting from " ": " *org-src-fontification:major-mode*".
The buffers are kept around to avoid extra major-mode loading overheads
and the fontification is not using (font-lock-ensure).
(font-lock-ensure) usually fontifies the buffer correctly even though
font-lock-mode is disabled. However, not always.
We just got some edge case
https://teddit.net/r/orgmode/comments/w2b0tw/syntax_highlighting_in_orgsource_blocks/igqdx18/
with web-mode, which directly sets 'font-lock-face text properties.
Without font-lock-mode being enabled, 'font-lock-face is not
automatically remapped to 'face text property and hence some part of the
fontification may not be reflected by simply looking into 'face
property.
While Org can work around this particular case by looking into
'font-lock-face, I am not sure if disabled font-lock may not trigger
similar issues in other cases.
It would be nice if we could somehow enable font-lock inside " *hidden*"
buffers. Would it be possible?
Best,
Ihor
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers,
Ihor Radchenko <=
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Eli Zaretskii, 2022/07/19
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Ihor Radchenko, 2022/07/20
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Eli Zaretskii, 2022/07/20
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Ihor Radchenko, 2022/07/21
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Eli Zaretskii, 2022/07/21
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Ihor Radchenko, 2022/07/21
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Eli Zaretskii, 2022/07/21
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Ihor Radchenko, 2022/07/21
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Stefan Monnier, 2022/07/21
- bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers, Ihor Radchenko, 2022/07/24