From: Eli Zaretskii <eliz@gnu.org>
To: Steve Molitor <stevemolitor@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: How to use "smart kerning" font features in Emacs using composition-function-table
Date: Mon, 27 Nov 2023 14:03:13 +0200 [thread overview]
Message-ID: <83edgb9zem.fsf@gnu.org> (raw)
In-Reply-To: <CAJrM8VVzKnvaPYsD57XhCwX9fLSNR=_50TEmBW=Y-YHLLA6xEQ@mail.gmail.com> (message from Steve Molitor on Sun, 26 Nov 2023 14:42:36 -0600)
> From: Steve Molitor <stevemolitor@gmail.com>
> Date: Sun, 26 Nov 2023 14:42:36 -0600
> Cc: emacs-devel@gnu.org
>
> For ligature support, I do need something like this for Commit Mono:
>
> (set-char-table-range
> composition-function-table
> t
> `([" [,-.:;A-Z_a-z><=!&|+-?/\\]+" 0 font-shape-gstring]))
Beware: composition-function-table is global, so the above will ligate
characters on the mode line as well, which might not be what you want.
> > Character composition in Emacs was never meant to be used for ASCII
> > characters, nor, more generally, for a significant fraction of buffer
> > text, except in several scripts (such as Arabic) where all the text
> > must be shaped to be legible.
>
> Does performance suffer a lot in those languages, like Arabic?
It suffers some, yes.
next prev parent reply other threads:[~2023-11-27 12:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-26 15:48 How to use "smart kerning" font features in Emacs using composition-function-table Steve Molitor
2023-11-26 17:52 ` Eli Zaretskii
2023-11-26 19:49 ` Steve Molitor
2023-11-26 20:16 ` Eli Zaretskii
2023-11-26 20:42 ` Steve Molitor
2023-11-27 12:03 ` Eli Zaretskii [this message]
[not found] ` <CAJrM8VW0P+-cO_cup6W-teoJV46nZTcsPrFbaKdXDD_CK_5Rxw@mail.gmail.com>
2023-11-27 15:22 ` Eli Zaretskii
2023-11-27 16:16 ` Steve Molitor
2023-11-28 5:18 ` Yuan Fu
2023-11-28 13:27 ` Steve Molitor
2023-11-29 0:58 ` Yuan Fu
2023-11-28 14:20 ` Eli Zaretskii
2023-11-29 0:57 ` Yuan Fu
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