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bug#295: 23.0.60; wrong glyph widths of some Unicode codepoints
From: |
Torsten Bronger |
Subject: |
bug#295: 23.0.60; wrong glyph widths of some Unicode codepoints |
Date: |
Wed, 06 Aug 2008 01:22:50 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
Hallöchen!
Chong Yidong writes:
>>> The sub/superscripts are narrower than the ordinary characters if
>>> using a monospace font (monospace-13 in my case)
>>
>> IIUC your problem is that not all thsoe characters use the same font.
>> This may be due to your font not having those chars, or to Emacs doing
>> something wrong.
>>
>> Can you check again with the latest code (where some font problems
>> have been fixed)? Use C-u C-x = to find the font used for the char at
>> point.
>
> Do you still see this problem?
Yes. Take for example left and right German double quotes (which
are alternative interpretations of x201e and x201c):
character: „ (8222, #o20036, #x201e)
preferred charset: unicode (Unicode (ISO10646))
code point: 0x201E
syntax: . which means: punctuation
to input: type "\glqq" or "\"`" with TeX
buffer code: #xE2 #x80 #x9E
file code: #xE2 #x80 #x9E (encoded by coding system
utf-8-emacs-unix)
display: by this font (glyph code)
xft:-unknown-DejaVu Sans
Mono-normal-normal-normal-*-17-*-*-*-m-0-iso10646-1 (#x68F)
Character code properties: customize what to show
name: DOUBLE LOW-9 QUOTATION MARK
general-category: Ps (Punctuation, Open)
old-name: LOW DOUBLE COMMA QUOTATION MARK
versus
character: “ (8220, #o20034, #x201c)
preferred charset: unicode (Unicode (ISO10646))
code point: 0x201C
syntax: . which means: punctuation
category: c:Chinese h:Korean j:Japanese
to input: type "\grqq" or "\ldq" or "\"'" with TeX
buffer code: #xE2 #x80 #x9C
file code: #xE2 #x80 #x9C (encoded by coding system
utf-8-emacs-unix)
display: by this font (glyph code)
xft:-unknown-Kochi
Gothic-normal-normal-normal-*-17-*-*-*-*-0-iso10646-1 (#x26C)
Character code properties: customize what to show
name: LEFT DOUBLE QUOTATION MARK
general-category: Pi (Punctuation, Initial quote)
old-name: DOUBLE TURNED COMMA QUOTATION MARK
While the first one is displayed correctly, the second one has no
anti-aliasing and is too wide. I see the "category" item in the
second character. Maybe this is the cause of this trouble?
Tschö,
Torsten.
--
Torsten Bronger, aquisgrana, europa vetus
Jabber ID: torsten.bronger@jabber.rwth-aachen.de