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* bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers
@ 2022-07-19  4:15 Ihor Radchenko
  2022-07-19 12:55 ` Eli Zaretskii
  2022-07-19 16:13 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
  0 siblings, 2 replies; 35+ messages in thread
From: Ihor Radchenko @ 2022-07-19  4:15 UTC (permalink / raw)
  To: 56637

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





^ permalink raw reply	[flat|nested] 35+ messages in thread

end of thread, other threads:[~2022-07-26  5:21 UTC | newest]

Thread overview: 35+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-07-19  4:15 bug#56637: 28.1.90; [FR] Allow a way around font-lock-mode being unconditionally disabled in " *hidden*" buffers Ihor Radchenko
2022-07-19 12:55 ` Eli Zaretskii
2022-07-20  4:13   ` Ihor Radchenko
2022-07-20 11:32     ` Eli Zaretskii
2022-07-21 12:09       ` Ihor Radchenko
2022-07-21 12:26         ` Eli Zaretskii
2022-07-21 12:44           ` Ihor Radchenko
2022-07-21 12:49             ` Eli Zaretskii
2022-07-21 13:18               ` Ihor Radchenko
2022-07-21 15:13         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-24  6:40           ` Ihor Radchenko
2022-07-19 16:13 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-19 16:36   ` Eli Zaretskii
2022-07-19 17:01     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-19 18:05       ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-19 19:02       ` Eli Zaretskii
2022-07-19 19:21         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-19 19:32           ` Eli Zaretskii
2022-07-19 21:12             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-20 11:12               ` Eli Zaretskii
2022-07-20 15:15                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-20 16:09                   ` Eli Zaretskii
2022-07-20 19:15                     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-20  4:15   ` Ihor Radchenko
2022-07-20 14:58     ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-21 12:11       ` Ihor Radchenko
2022-07-21 18:39         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-24  6:47           ` Ihor Radchenko
2022-07-24 14:25             ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-25  9:23               ` Ihor Radchenko
2022-07-25 15:56                 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-07-26  5:21                   ` Ihor Radchenko
2022-07-23  7:53       ` Lars Ingebrigtsen
2022-07-23  8:55         ` Eli Zaretskii
2022-07-23 13:46         ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors

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