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bug#15886: 24.3.50; Incorrect window-text-height with non-zero line-spac


From: Robert Dallas Gray
Subject: bug#15886: 24.3.50; Incorrect window-text-height with non-zero line-spacing
Date: Wed, 13 Nov 2013 20:36:14 +0000

On 13 Nov 2013, at 20:32, Eli Zaretskii <address@hidden> wrote:

>> From: Robert Dallas Gray <address@hidden>
>> Date: Wed, 13 Nov 2013 19:23:19 +0000
>> 
>> On a graphical display, when `line-spacing' is non-zero,
>> `window-text-height' reports an incorrect number; equally,
>> `set-window-text-height' can't be used properly. This impacts on
>> libraries which use `set-window-text-height' e.g. to attempt to size a
>> window accurately.
> 
> Those libraries should use 'window-screen-lines' instead.
> 
> I think 'window-text-height' should continue doing what it does, as
> many packages, and Emacs itself, depend on its current behavior.

OK, but is there a parallel setter method, or some way to set the height of a 
window in pixels, so that a window could be correctly sized taking into account 
line-spacing?

Incidentally, the particular library that raised this issue for me was grizzl 
(https://github.com/d11wtq/grizzl).




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