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bug#32825: 27.0.50; Deterministic window management

From: Juri Linkov
Subject: bug#32825: 27.0.50; Deterministic window management
Date: Sun, 23 Dec 2018 01:45:17 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (x86_64-pc-linux-gnu)

>> Please note that if there is no suitable window with at least 10 lines high,
>> it still displays the *Backtrace* buffer in random windows, every time
>> in another window because it doesn't remember a previous window.
> For starters, users can customize the number of lines by supplying a
> 'window-min-height' entry.  They can also provide an additional action
> function like 'display-buffer-below-selected' as fallback.  And
> finally we could try what I suggested earlier: Fill the *Backtrace*
> buffer first and pop to it afterwards using 'fit-window-to-buffer'.
> The attached untested patch tries to do that.

Thanks, this is much better.

Maybe then window-min-height should be dynamically calculated like

(window-min-height . ,(with-current-buffer debugger-buffer (count-lines 
(point-min) (point-max))))

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