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bug#36859: Customizable fit-window-to-buffer

From: martin rudalics
Subject: bug#36859: Customizable fit-window-to-buffer
Date: Thu, 8 Aug 2019 09:27:12 +0200

> I see there is a hook already in vc: 'vc-post-command-functions'.
> But it's unclear how to use it to call 'shrink-window-if-larger-than-buffer'
> from the hook only on vc-log and vc-diff commands.
> Maybe vc-log-internal-common and vc-diff-internal could provide new hooks,
> e.g. vc-log-post-command-functions and vc-diff-post-command-functions.

What's the scope of a command?  When it invokes an asynchonous process
does it end when that process starts or when it finishes?  Since I
think that it's the former (how else could we then distiniguish "this"
command from the "last" command), the idiom "post-command" appears
inappropriate here.


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