bug#34720: 26.1; Reverting a GPG buffer moves all markers to the end of the file

[Lars Ingebrigtsen]

Ian Dunn <dunni@gnu.org> writes:

> When I use `revert-buffer' on a buffer for a file encrypted with
> GnuPG, every marker in the buffer is moved to the end of the buffer.
> A normal file restores markers to their original positions after
> reverting.
>
> To replicate:
>
> 1. Open a GnuPG encrypted file
> 2. Run the following:
>    (setq test-marker (make-marker))
>    (move-marker test-marker (point-marker))
>    ;; test-marker points to `point'
> 3. Revert the buffer
>    ;; test-marker now points to the end of the buffer

I can confirm that this bug is still present in Emacs 27 -- but only if
point is not at point-min, oddly enough.

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