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bug#52980: elide-head and revert-buffer interaction stops elide-head-sho
From: |
Stefan Kangas |
Subject: |
bug#52980: elide-head and revert-buffer interaction stops elide-head-show from working |
Date: |
Mon, 3 Jan 2022 13:40:40 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Stefan Kangas <stefan@marxist.se> writes:
> 0. emacs -Q lisp/help.el
> ;; Any file where the header would normally be elided
> 1. M-x elide-head RET
> 2. M-x revert-buffer RET
> 3. M-: elide-head-overlay RET => nil
> ;; Note that the overlay is still in the buffer though.
> 4. M-x elide-head RET
> ;; A second overlay is added.
> 5. M-x elide-head-show RET
>
> Now I see no license, as only the second overlay is removed.
I started looking into a solution with {before,after}-revert-hook, but
that just seems duplicate what we would get from just using a minor
mode. So I'm starting to think that `elide-head' and `elide-head-show'
should be obsoleted in favor of a new local minor mode
`elide-head-mode'.
That would also save me from having to add a third command
`elide-head-toggle' to toggle the hiding on or off.