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bug#23934: 25.1.50; Incorrect rendering of cyrillic text on OS X
From: |
Alan Third |
Subject: |
bug#23934: 25.1.50; Incorrect rendering of cyrillic text on OS X |
Date: |
Sun, 10 Jul 2016 17:28:02 +0100 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Sun, Jul 10, 2016 at 07:04:40PM +0300, Eli Zaretskii wrote:
> > From: Alan Third <alan@idiocy.org>
> > Date: Sun, 10 Jul 2016 16:45:51 +0100
> >
> > When using the font "Menlo" Emacs displays the cyrillic text in the
> > hello file incorrectly. "Monaco" works fine. This affects both Mac and
> > NS ports.
>
> How do we know it isn't a problem with that font?
>
> I think the problem is triggered by displaying the u+0301 acute accent
> above the а (to show the vowel with the accent). Does Menlo has a
> glyph for that codepoint?
Yes, Emacs seems to think that the composed character takes up no
space. This may be no help whatsoever, but I've attached another image
showing a cyrillic a with acute alongside the latin version. The latin
one is not, afaik, composed, because I don't know how to do that. Both
have spaces round them.
I don't know how to check whether the font supports it.
Here's what describe-char says:
position: 148 of 234 (63%), column: 2
character: а (displayed as а) (codepoint 1072, #o2060, #x430)
preferred charset: cyrillic-iso8859-5 (Right-Hand Part of ISO/IEC 8859/5
(Latin/Cyrillic): ISO-IR-144)
code point in charset: 0x50
script: cyrillic
syntax: w which means: word
category: .:Base, L:Left-to-right (strong), Y:2-byte Cyrillic,
c:Chinese, h:Korean, j:Japanese, y:Cyrillic
to input: type "C-x 8 RET 430" or "C-x 8 RET CYRILLIC SMALL LETTER
A"
buffer code: #xD0 #xB0
file code: #xD0 #xB0 (encoded by coding system utf-8-unix)
display: composed to form "а́" (see below)
Composed with the following character(s) "́" using this font:
mac-ct:-*-Menlo-normal-normal-normal-*-12-*-*-*-m-0-iso10646-1
by these glyphs:
[0 1 1072 870 7 0 7 7 1 nil]
[0 1 769 646 7 2 6 10 -7 [-8 -1 -8]]
Character code properties: customize what to show
name: CYRILLIC SMALL LETTER A
general-category: Ll (Letter, Lowercase)
decomposition: (1072) ('а')
There are text properties here:
charset cyrillic-iso8859-5
face font-lock-string-face
fontified t
[back]
--
Alan Third
Screen Shot 2016-07-10 at 17.18.31.png
Description: a with acute
bug#23934: 25.1.50; Incorrect rendering of cyrillic text on OS X, YAMAMOTO Mitsuharu, 2016/07/11