GNU bug report logs - #49731
28.0.50; Filter xref results by filename

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From: Daniel Martín <mardani29 <at> yahoo.es>
To: Juri Linkov <juri <at> linkov.net>
Cc: 49731 <at> debbugs.gnu.org, Dmitry Gutov <dgutov <at> yandex.ru>
Subject: bug#49731: 28.0.50; Filter xref results by filename
Date: Wed, 14 Feb 2024 10:25:35 +0100

Juri Linkov <juri <at> linkov.net> writes:

>>> Now pushed to master in the commit 3573ebfa6d (it seems this is
>>> backward-compatible since it only sets buffer-local variables).
>>
>> Nice.
>>
>> Do you plan on adding an outline-[minor-]mode command to hide/show by
>> regexp?
>
> So now here are these two commands:
>
>   / s   outline-show-by-heading-regexp
>   / h   outline-hide-by-heading-regexp
>

Thanks.  Does it make sense for these commands to follow similar
semantics as Org Mode's sparse trees?  With C-c / / in an Org file, the
entire buffer is folded as much as possible, but the matching items are
made visible.  Here's a practical example:

* 1
abc
* 2
def
* 3
ghi

M-x org-mode
C-c / / ghi RET
(Only ghi section is visible.)
C-c / / abc RET
(Only abc section is visible.)
C-u C-c / / ghi RET <- Current folding status is kept.
(abc and ghi sections are visible.)

The main difference is that outline-show-by-heading-regexp would match
only headings, but that is clear given the name of the command.

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