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Re: Tick Reduction

From: Eli Zaretskii
Subject: Re: Tick Reduction
Date: Sat, 20 Nov 2021 11:51:59 +0200

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: stefankangas@gmail.com,  emacs-devel@gnu.org,  dgutov@yandex.ru
> Date: Sat, 20 Nov 2021 10:26:38 +0100
> Eli Zaretskii <eliz@gnu.org> writes:
> > Emacs knows that for each character it displays.  (Assuming I
> > understand what "x-height of a character" means in this context.)  We
> > get the full metrics of the character from the font, and use that for
> > layout.
> The x-height is literally the height of the lower-case x character.  😀
> But it's used as a shorthand to say something about the characteristics
> of a font -- the x-height is what matters most for legibility, and the
> ascenders (in characters like "b") and descenders (in characters like
> "g") are separate things.

We can easily get the info from the font.  But how do you propose to
use that info?

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