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bug#30204: 27.0.50; Changing major mode resets non-default invisibility
From: |
jakanakaevangeli |
Subject: |
bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec |
Date: |
Mon, 06 Sep 2021 12:22:17 +0200 |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> Philipp <p.stephani2@gmail.com> writes:
>
>>> And I think this is correct behaviour -- if you've switched to
>>> fundamental-mode, then you don't want these remnants from markdown-mode
>>> to survive, I think?
>>
>> Yes, but they do survive, i.e. once markdown-mode has made some text
>> conditionally-visible (which it does for URLs etc.), I'd expect it to
>> become unconditionally-visible instead of unconditionally-invisible
>> when changing the major mode.
>
> That's true. Hm... Should major modes remove `invisible' text
> properties (where the value isn't t)? No, that wouldn't be right,
> either.
>
> Uhm. OK, if `buffer-invisibility-spec' isn't t,
> `kill-all-local-variables' could remove the `invisible' text property
> from all text that has a non-t value?
>
> That sounds like it would potentially be expensive, but a non-nil
> invisibility spec is quite unusual (and switching major modes, in
> general, is unusual (well, switching from anything but fundamental-mode
> is unusual)).
>
> I dunno. Anybody have an opinion here?
markdown-mode should simply add `invisible' to
font-lock-extra-managed-props. Font-lock will then automatically remove
this property as well from the buffer in change-major-mode-hook.
>
> --
> (domestic pets only, the antidote for overdose, milk.)
> bloggy blog: http://lars.ingebrigtsen.no
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Philipp, 2021/09/04
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Lars Ingebrigtsen, 2021/09/05
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Eli Zaretskii, 2021/09/05
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Lars Ingebrigtsen, 2021/09/05
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Eli Zaretskii, 2021/09/05
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Lars Ingebrigtsen, 2021/09/05
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Eli Zaretskii, 2021/09/05
- bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec, Lars Ingebrigtsen, 2021/09/05
bug#30204: 27.0.50; Changing major mode resets non-default invisibility spec,
jakanakaevangeli <=