From: "Basil L. Contovounesios" <contovob@tcd.ie>
To: Mayer Goldberg <gmayer@little-lisper.org>
Cc: 36020@debbugs.gnu.org
Subject: bug#36020: problems displaying tibetan characters
Date: Sat, 01 Jun 2019 19:04:43 +0100 [thread overview]
Message-ID: <87y32l6v2c.fsf@tcd.ie> (raw)
In-Reply-To: <CALomcdR26tWWueneJ=dR=Ni9u_DWyBc8tgrV9_bEMJ+-oO=0Mw@mail.gmail.com> (Mayer Goldberg's message of "Fri, 31 May 2019 12:02:43 +0300")
[-- Attachment #1: Type: text/plain, Size: 1132 bytes --]
Mayer Goldberg <gmayer@little-lisper.org> writes:
> I think there is a problem in how Tibetan characters are displayed:
>
> The character sequence
>
> \u0f68\u0f7c\u0f7e\u0fc6\u0020\u0020\u0020\u0020\u0f40\u0fc6\u0020\u0020\u0020\u0020\u0f42\u0fc6
>
> Should display as
>
> image.png
>
> But instead displays as
>
> image.png
>
> The issue has to do with the character
>
> \u0fc6 = "TIBETAN SYMBOL PADMA GDAN"
>
> which should appear under the previous character, and appears on the right.
>
> I'm using the same font in both the example that works (in Libre Office) and the one that doesn't (in emacs).
>
> The font I'm using is Tibetan Machine Unicode, available freely at:
>
> http://www.pktc.org/pktc/SFTtypefacesfree.htm
FWIW, I can't seem to reproduce this on the Emacs master and emacs-26
branches (build info follows my signature). Here's what I tried after
installing the fonts-tibetan-machine package on Debian:
0. emacs -Q
1. M-: (set-fontset-font nil 'tibetan "Tibetan Machine Uni") RET
2. M-: (insert "\u0f68\u0f7c\u0f7e\u0fc6\u0020\u0f40\u0fc6\u0020\u0f42\u0fc6") RET
3. C-x C-= = = = = = = [Text scale +7]
[-- Attachment #2: tibetan.png --]
[-- Type: image/png, Size: 13676 bytes --]
[-- Attachment #3: Type: text/plain, Size: 3524 bytes --]
4. C-a C-u C-x =
--8<---------------cut here---------------start------------->8---
position: 146 of 155 (94%), column: 0
character: ཨ (displayed as ཨ) (codepoint 3944, #o7550, #xf68)
charset: unicode (Unicode (ISO10646))
code point in charset: 0x0F68
script: tibetan
syntax: w which means: word
category: .:Base, 0:consonant, L:Left-to-right (strong), q:Tibetan
to input: type "C-x 8 RET f68" or "C-x 8 RET TIBETAN LETTER A"
buffer code: #xE0 #xBD #xA8
file code: #xE0 #xBD #xA8 (encoded by coding system utf-8-unix)
display: composed to form "ཨོཾ" (see below)
Composed with the following character(s) "ོཾ" using this font:
xft:-thdl-Tibetan Machine Uni-normal-normal-normal-*-54-*-*-*-*-0-iso10646-1
by these glyphs:
[0 2 3944 3869 35 1 34 40 -10 nil]
[0 2 0 4137 0 -26 10 62 -41 nil]
Character code properties: customize what to show
name: TIBETAN LETTER A
general-category: Lo (Letter, Other)
decomposition: (3944) ('ཨ')
There are text properties here:
fontified nil
--8<---------------cut here---------------end--------------->8---
> Configured features:
> XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GSETTINGS NOTIFY LIBSELINUX
> GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS
> GTK2 X11 THREADS LIBSYSTEMD LCMS2
This report initially looked to me like bug#35024[1], but I see that you
are now reporting from an Emacs built with libotf and m17n-flt, so I
don't know where the problem lies. Perhaps someone more experienced in
this area will have some ideas.
[1]: https://debbugs.gnu.org/35024
Thanks,
--
Basil
In GNU Emacs 27.0.50 (build 6, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
of 2019-06-01 built on thunk
Repository revision: f2a7acdde7207f92de53352f17dd7f506e15a851
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12003000
System Description: Debian GNU/Linux 10 (buster)
Configured using:
'configure 'CC=ccache gcc' 'CFLAGS=-O2 -march=native' --config-cache
--prefix=/home/blc/.local --with-mailutils --with-x-toolkit=lucid
--with-modules --with-file-notification=yes --with-x'
Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GSETTINGS GLIB NOTIFY
INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS LUCID X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON
PDUMPER LCMS2 GMP
Important settings:
value of $LANG: en_IE.UTF-8
locale-coding-system: utf-8-unix
In GNU Emacs 26.2.50 (build 8, x86_64-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
of 2019-05-27 built on thunk
Repository revision: c4d4dcf17e407a3c68e150f22b9756ef6c943070
Windowing system distributor 'The X.Org Foundation', version 11.0.12003000
System Description: Debian GNU/Linux 10 (buster)
Configured using:
'configure 'CC=ccache gcc' 'CFLAGS=-O0 -g3 -ggdb -gdwarf-4'
--config-cache --prefix=/home/blc/.local --program-suffix=26
--enable-checking=yes,glyphs --enable-check-lisp-object-type
--with-mailutils --with-x-toolkit=lucid --with-modules
--with-file-notification=yes --with-x'
Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS
GLIB NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT
ZLIB TOOLKIT_SCROLL_BARS LUCID X11 XDBE XIM MODULES THREADS LIBSYSTEMD
LCMS2
next prev parent reply other threads:[~2019-06-01 18:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-31 9:02 bug#36020: problems displaying tibetan characters Mayer Goldberg
2019-06-01 18:04 ` Basil L. Contovounesios [this message]
2019-06-01 18:11 ` Eli Zaretskii
2019-06-01 18:14 ` Mayer Goldberg
2019-06-01 18:24 ` Eli Zaretskii
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