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bug#33688: UTF symbols in 25.2.2 under Ubuntu
From: |
Eli Zaretskii |
Subject: |
bug#33688: UTF symbols in 25.2.2 under Ubuntu |
Date: |
Tue, 11 Dec 2018 06:51:53 +0200 |
> From: Sergei Meshveliani <mechvel@botik.ru>
> Cc: 33688@debbugs.gnu.org
> Date: Mon, 10 Dec 2018 23:43:54 +0300
>
> > IOW, this doesn't seem to be an Emacs problem, but a problem with
> > terminal emulator and/or fonts used by the terminal emulator.
> >
> > Thanks.
> >
>
>
> I am sorry, I have forgotten of how do I call emacs!
> I called it via alias as
> emacs -nw
>
> I Debian + emacs 23.. it works fine,
> but not in Ubuntu 18.04 + emacs 25.2.
>
> Now, if I call it simply by
> emacs
>
> then it is almost all right.
> Only
> ∷ (\::) is shown considerably larger than, for example, capital O,
> and ∣ ( \| ) is separated with half-blank, so that ∣x
> is drawn close to ∣ x
>
> (while Debian + (emacs-23 -nw) draws everything all right).
>
> Ubuntu 18.04 + emacs 25.2 shows the following description:
>
> ******************************************************************
> \::
>
> character: ∷ (displayed as ∷) (codepoint 8759, #o21067, #x2237)
> preferred charset: unicode (Unicode (ISO10646))
> code point in charset: 0x2237
> script: symbol
> syntax: w which means: word
> category: .:Base, c:Chinese
> to input: type "\::" with Agda input method
> buffer code: #xE2 #x88 #xB7
> file code: #xE2 #x88 #xB7 (encoded by coding system utf-8-unix)
> display: by this font (glyph code)
> xft:-GOOG-Noto Sans Mono CJK
> SC-normal-normal-normal-*-17-*-*-*-*-0-iso10646-1 (#x34B)
>
> Character code properties: customize what to show
> name: PROPORTION
> general-category: Sm (Symbol, Math)
> decomposition: (8759) ('∷')
>
> **********************************************************************
> \|
>
> character: ∣ (displayed as ∣) (codepoint 8739, #o21043, #x2223)
> preferred charset: unicode (Unicode (ISO10646))
> code point in charset: 0x2223
> script: symbol
> syntax: w which means: word
> category: .:Base, c:Chinese
> to input: type "\|" or "\shortmid" or "\mid" with Agda input method
> buffer code: #xE2 #x88 #xA3
> file code: #xE2 #x88 #xA3 (encoded by coding system utf-8-unix)
> display: by this font (glyph code)
> xft:-GOOG-Noto Sans Mono CJK
> SC-normal-normal-normal-*-17-*-*-*-*-0-iso10646-1 (#x33D)
>
> Character code properties: customize what to show
> name: DIVIDES
> general-category: Sm (Symbol, Math)
> decomposition: (8739) ('∣')
> ***********************************************************************
My only advice is to try using a different font for these characters,
not Noto Sans Mono CJK.
I don't think there's an Emacs bug here.