GNU bug report logs - #38791
27.0.60; Multiline mini-window fails to resize after clearing message

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From: martin rudalics <rudalics <at> gmx.at>
To: eliz <at> gnu.org, 38791 <at> debbugs.gnu.org
Subject: bug#38791: 27.0.60; Multiline mini-window fails to resize after clearing message
Date: Sun, 29 Dec 2019 19:33:52 +0100

> This is a regression, because in Emacs 26 this works as expected.
>
> The patch to fix this is below.  It reverts a small part of commit
> 8e0ebb9, which inadvertently changed the logic in grow_mini_window.
> The problem in this case was that old_height + delta evaluated to
> zero, but instead of limiting the result to the equivalent of 1 line,
> the code did nothing.

It apparently never entered my mind that WINDOW_BOX_TEXT_HEIGHT might
mean something different from the height of that window's buffer text.
Shameful.

Thanks for the fix, martin

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