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From: Heime via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: Heime <heimeborgia@protonmail.com>
Cc: Yuan Fu <casouri@gmail.com>, Eli Zaretskii <eliz@gnu.org>,
	59828-done@debbugs.gnu.org
Subject: bug#59828: Fundamental Mode buffers fail to keep text properties
Date: Mon, 05 Dec 2022 20:27:09 +0000	[thread overview]
Message-ID: <ANmuMxexwFrexWE6jQ90ieFaTAioy7FjDR_ZDAZmLH8-5fyTa_mYXvH2WTLCvfwPuGhIdQYypbNvt_yL-M83zwPD6ZfixZ01AX9gvfNrD5I=@protonmail.com> (raw)
In-Reply-To: <XRwRl1eTXItBm3zLl5VmmTywNIeflmtf_Dh4pFuc1K6-5VpUlW_gRtbLLkooV1RPqZxBrUkHR2e5if_sx2Rg9rIUJItNzYimepbp_Ztd0TM=@protonmail.com>


------- Original Message -------
On Monday, December 5th, 2022 at 8:13 PM, Heime via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> wrote:


> ------- Original Message -------
> On Monday, December 5th, 2022 at 8:07 PM, Yuan Fu casouri@gmail.com wrote:
> 
> 
> 
> > > On Dec 5, 2022, at 11:23 AM, Heime heimeborgia@protonmail.com wrote:
> > > 
> > > ------- Original Message -------
> > > On Monday, December 5th, 2022 at 3:40 PM, Eli Zaretskii eliz@gnu.org wrote:
> > > 
> > > > > Date: Mon, 05 Dec 2022 15:06:09 +0000
> > > > > From: Heime heimeborgia@protonmail.com
> > > > > Cc: casouri@gmail.com, 59828@debbugs.gnu.org
> > > > > 
> > > > > > > > Conclusion: you need to turn on font-lock in that buffer.
> > > > > > > 
> > > > > > > When I use (text-mode) or (org-mode), I do not get the problem.
> > > > > > > 
> > > > > > > (with-current-buffer (get-buffer-create bufrn)
> > > > > > > (text-mode)
> > > > > > > (insert (propertize "G"
> > > > > > > 'font-lock-face '(:background "green"
> > > > > > > :foreground "black"))))
> > > > > > 
> > > > > > Because those turn on font-lock by default.
> > > > > 
> > > > > What do you think about having fundamental-mode also turn font-lock on ?
> > > > 
> > > > What it does now is the result of what we think. That's why it is called
> > > > Fundamental.
> > > > 
> > > > Anyway, there's no bug here, so I'm closing this.
> > > 
> > > Is fundamental mode not usually used when working on new buffers?
> > 
> > Just to clarify:
> > 
> > 1. If font-lock-mode is off, you should use (propertize … ‘face …)
> > 2. If font-lock-mode is on, you should use (propertize … ‘font-lock-face …)

If I have a function that does the inserts, should I include the two different conditions, 
whether "font-lock-mode" in "off" or "on" ?

Test whether font-lock-mode is off, then use (propertize … ‘face …)
Test whether font-lock-mode is on, then use (propertize … ‘font-lock-face …)
 
> Very clear explanation.
> 
> > If you create a buffer interactively, font-lock-mode is on (at least in the latest version of Emacs, not sure which version of Emacs are you on). But if you create a buffer programmatically (as you did in the code snippet), font-lock-mode is off.
> 
> 
> Even if you make a buffer interactively in fundamental-mode, would font-lock-mode be on ?
>





  parent reply	other threads:[~2022-12-05 20:27 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-05  6:30 bug#59828: Fundamental Mode buffers fail to keep text properties Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05  6:32 ` Yuan Fu
2022-12-05  8:30   ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05 12:46     ` Eli Zaretskii
2022-12-05 13:49       ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05 14:41         ` Eli Zaretskii
2022-12-05 14:54           ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05 15:00             ` Eli Zaretskii
2022-12-05 15:06               ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05 15:40                 ` Eli Zaretskii
2022-12-05 19:23                   ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05 20:04                     ` Eli Zaretskii
2022-12-05 20:07                     ` Yuan Fu
2022-12-05 20:13                       ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-05 20:25                         ` Yuan Fu
2022-12-05 20:27                         ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2022-12-06  5:41                           ` Yuan Fu
2022-12-07  0:53                             ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-12-08 13:00                               ` Heime via Bug reports for GNU Emacs, the Swiss army knife of text editors

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