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bug#49484: 27.2; [PATCH] Undoing a 'RET' in comint and eshell

From: Lars Ingebrigtsen
Subject: bug#49484: 27.2; [PATCH] Undoing a 'RET' in comint and eshell
Date: Sat, 10 Jul 2021 18:42:02 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

miha@kamnitnik.top writes:

> My idea to solve this is to record process mark and related marker
> positions as `apply' entries in the undo list. Attached patch implements
> this for comint and eshell.

Hm, interesting...  The patch looks good to me, but I'm not really that
familiar with undo internals myself, so it'd be good to get more
opinions on this first.  So I've added Stefan to the CCs.

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

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