GNU bug report logs - #41747
27.0.91; Add default fontset setup for "Symbols and Pictographs Extended-A"

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#41747: closed (27.0.91; Add default fontset setup for
 "Symbols and Pictographs Extended-A")
Date: Sun, 07 Jun 2020 15:23:02 +0000

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Your message dated Sun, 07 Jun 2020 17:22:36 +0200
with message-id <87blluyk77.fsf <at> gmail.com>
and subject line Re: bug#41747: 27.0.91; Add default fontset setup for "Symbols and Pictographs Extended-A"
has caused the debbugs.gnu.org bug report #41747,
regarding 27.0.91; Add default fontset setup for "Symbols and Pictographs Extended-A"
to be marked as done.

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From: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.91; Add default fontset setup for "Symbols and Pictographs
 Extended-A"
Date: Sun, 07 Jun 2020 15:43:40 +0200

[Message part 3 (text/plain, inline)]

Hi,

IIUC, "Symbols and Pictographs Extended-A"[1][2] is a new Unicode block
that showed up in version 12.0 and extends the "Supplemental Symbols and
Pictographs" block.

Since we use Symbola for the latter, I figure it wouldn't hurt to also
use this font for the former?  AFAICT Symbola covers the whole block[3].
Here is a patch to that effect:

[0001-Use-Symbola-to-cover-Symbols-and-Pictographs-Extende.patch (text/x-patch, attachment)]

[Message part 5 (text/plain, inline)]

(Will followup with an updated patch as soon as I get a bug number.)

FWIW, I found out about this block after

- hearing that Unicode 13.0 included new emojis,
- waiting for an updated version of Symbola to be released[4],
- trying to insert some of the new emojis in Emacs,
- noticing that some of them (e.g. 🩴 U+1FA74, 🪗 U+1FA97, 🫕 U+1FAD5)
  are not displayed (C-u C-x = says "display: no font available",
  despite Symbola covering them).
- going straight to fontset.el to understand why Symbola wasn't picked
  automatically.

Of course, users can work around this with:

    (set-fontset-font t '(#x1FA70 . #x1FAFF) "Symbola" nil 'append)

Thank you for your time.


[1] https://www.unicode.org/charts/PDF/Unicode-13.0/U130-1FA70.pdf
[2] https://en.wikipedia.org/wiki/Symbols_and_Pictographs_Extended-A
[3] https://dn-works.com/wp-content/uploads/2020/UFAS-Docs/Symbola.pdf
    p.14
[4] https://dn-works.com/ufas/


In GNU Emacs 28.0.50 (build 32, x86_64-pc-linux-gnu, GTK+ Version 3.24.20, cairo version 1.16.0)
 of 2020-05-30 built on my-little-tumbleweed
Repository revision: 780f674a82a90c4e3e32583059b498bfa57e4a06
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: openSUSE Tumbleweed

Configured using:
 'configure --with-xwidgets --with-cairo'

Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB NOTIFY
INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF
ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS JSON
PDUMPER LCMS2 GMP

Important settings:
  value of $LC_CTYPE: en_US.UTF-8
  value of $LC_TIME: en_GB.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=local
  locale-coding-system: utf-8-unix

[Message part 6 (message/rfc822, inline)]

From: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 41747-done <at> debbugs.gnu.org
Subject: Re: bug#41747: 27.0.91; Add default fontset setup for "Symbols and
 Pictographs Extended-A"
Date: Sun, 07 Jun 2020 17:22:36 +0200

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
>> Date: Sun, 07 Jun 2020 15:43:40 +0200
>> 
>> Since we use Symbola for the latter, I figure it wouldn't hurt to also
>> use this font for the former?  AFAICT Symbola covers the whole block[3].
>
> Not the Symbola I have here.  Which version of Symbola do you have
> that supports that block, and is that version distributed under a free
> license?

As I referenced, the version available on <https://dn-works.com/ufas/>.

Unfortunately, I just realized that newer versions no longer come under
a free license[1][2][3][4].  That definitely took me by surprise.

*sigh* Closing then.  Sorry for the noise.


[1] https://dn-works.com/wp-content/uploads/2020/UFAS-Docs/License.pdf
[2] https://github.com/NixOS/nixpkgs/pull/79679
[3] https://bugs.archlinux.org/task/58886
[4] https://lists.fedoraproject.org/archives/list/devel <at> lists.fedoraproject.org/thread/EC6I35ILFICKY5W5XTHYJC6UH36B2UQS/

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