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bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to
From: |
Noam Postavsky |
Subject: |
bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on |
Date: |
Sat, 11 May 2019 11:27:55 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
>> >> PS: To fix this quirk, we should change buffer-invisibility-spec's
>> >> default value to nil (or `(t)`, maybe) instead of t.
>>
>> (t) makes sense, I'd say.
>
> The difference (or lack thereof) between t and (t) is something that's
> confusing, and should be preferably avoided.
>
>> It's not a change to semantics though, just the default value. And
>> starting from the current default of t, if some code does
>> (add-to-invisibility-spec 'foo) followed by
>> (remove-from-invisibility-spec 'foo) you get (t), so arguably just
>> starting from there in the first place makes things less confusing than
>> they are now.
>
> I'd rather we fixed the remove-from-invisibility-spec result than
> start promoting (t).
Starting from t, (add-to-invisibility-spec 'foo) also has the weird
result that it *reduces* the number of properties which cause
invisibility (from infinity to 2). It seems unavoidable due to the
semantics of t (hence why we should default to (t) instead).
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Noam Postavsky, 2019/05/01
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Eli Zaretskii, 2019/05/01
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Stefan Monnier, 2019/05/01
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on,
Noam Postavsky <=
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Eli Zaretskii, 2019/05/11
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Stefan Monnier, 2019/05/11
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Eli Zaretskii, 2019/05/12
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Stefan Monnier, 2019/05/12
- bug#16493: 24.3.50; (setq search-invisible t) is useless, let's allow to turn visible-mode temporarily on, Eli Zaretskii, 2019/05/12