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From: | Michael Heerdegen |
Subject: | Re: How to amalgamate changes across multiple buffers into a single undo entry |
Date: | Thu, 23 Jul 2020 23:55:43 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Brian Leung <leungbk@mailfence.com> writes: > Suppose one action causes a change in two buffers. I'd like a way of > performing an undo operation so that both buffers will be undone at > once. But I can't figure out how to amalgamate the buffer changes > properly. When I read the code it doesn't seem that this is supported. AFAIU, `undo-amalgamate-change-group' handles all buffers of a multi-buffer change group separately. I guess buffer-undo-list also just doesn't support what you want. Michael.
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