GNU bug report logs - #22299
Obsolete selective-display

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Message #16 received at 22299 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: Glenn Morris <rgm <at> gnu.org>, 22299 <at> debbugs.gnu.org
Subject: Re: bug#22299: Obsolete selective-display
Date: Fri, 22 Jan 2021 18:22:50 +0100

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

>> should it be marked as such?  And the usages either removed (from the
>> callers) or warnings suppressed (in simple.el etc).
>
> The problem is that the var has 2 uses:
> - one is the obsolete value `t` whereby \r.* is hidden
> - the other is when it's set to an integer N whereby it hides lines with
>   a deeper indentation than N.

Oh, I see.  I should have read that node in the manual.  :-)

Anyway, I've grepped through the Emacs tree, and I can't find any places
where we're binding/setting `selective-display' to t, so there indeed
doesn't seem to be any usages of the obsolete form.

> The second one is a UI functionality and it's sufficiently "not terribly
> useful" that nobody bothered to write a replacement for it using
> overlays (instead, all the possible replacements provide a more tailored
> functionality).

Right.  So if we don't want to obsolete the other form (and Eli says he
uses it all the time, so it doesn't sound like we want to), then I guess
there's nothing more to be done here?  So I'm closing this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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