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bug#33688: UTF symbols in 25.2.2 under Ubuntu
From: |
Sergei Meshveliani |
Subject: |
bug#33688: UTF symbols in 25.2.2 under Ubuntu |
Date: |
Mon, 10 Dec 2018 23:43:54 +0300 |
On Mon, 2018-12-10 at 08:09 +0200, Eli Zaretskii wrote:
> > From: Sergei Meshveliani <mechvel@botik.ru>
> > Cc: 33688@debbugs.gnu.org
> > Date: Mon, 10 Dec 2018 00:56:29 +0300
> >
> > > > But emacs draws the part `>' of the arrow inside B, so that the string
> > > > looks like
> > > > A-B
> > > >
> > > > , and with with a certain garbage inside B.
> > >
> > > If you go to that character between A and B, and type "C-u C-x =",
> > > what does Emacs display in the *Help* buffer? Please post the entire
> > > contents of the *Help* buffer you get.
> > >
> >
> >
> > I print below what is shown in Debian + GNU Emacs 23.2.1
> > and
> > in Ubuntu 18.04 + GNU Emacs 25.2.
>
> This shows that Emacs produces the same codepoints and the same byte
> sequences in both cases. It also shows that you are working on a text
> terminal frame (as opposed to a GUI frame), where display of
> characters is performed by the console or a terminal emulator. So I
> think either the terminal emulators used on the two systems are
> different, or there's some problem with the newer version of the
> terminal emulator or fonts used by that emulator.
>
> 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) ('∣')
***********************************************************************
Thanks,
------
Sergei