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bug#26396: 25.1; char-displayable-p on a latin1 tty
From: |
Eli Zaretskii |
Subject: |
bug#26396: 25.1; char-displayable-p on a latin1 tty |
Date: |
Mon, 17 Apr 2017 21:32:05 +0300 |
> Cc: user42_kevin@yahoo.com.au, 26396@debbugs.gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Mon, 17 Apr 2017 11:08:09 -0700
>
> On 04/17/2017 01:08 AM, Eli Zaretskii wrote:
>
> > My reading of the code is that at least some of these unsupported
> > characters will NOT be displayed as \uNNNNN, but rather as some
> > fallback glyph produced by the console itself, which is not what we
> > want, I think.
> Yes, that's what happens. It's not ideal, and perhaps it could be
> improved. (I hope by someone else....)
Lat's hope.
> There are similar display problems even in unibyte mode on the Linux
> console. Sometimes a character above U+00FF is displayed as '\uNNNN',
> sometimes as '?', sometimes the same character is displayed in different
> forms depending on what else is in the buffer, and I don't know why.
> (And likewise, I don't want to spend time worrying about this, as the
> 1990s are long gone....)
Yes, the TTY code that handles such characters has some very weird
logic.
Can you show an example of a character displayed in different forms
depending on buffer contents? I'd like to look what the code does and
why.
Thanks.
- bug#26396: 25.1; char-displayable-p on a latin1 tty, (continued)
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Kevin Ryde, 2017/04/16
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/16
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Eli Zaretskii, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Eli Zaretskii, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Kevin Ryde, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Eli Zaretskii, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/17
- bug#26396: 25.1; char-displayable-p on a latin1 tty,
Eli Zaretskii <=
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/18
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Eli Zaretskii, 2017/04/18
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Richard Stallman, 2017/04/13
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Paul Eggert, 2017/04/13
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Richard Stallman, 2017/04/14
- bug#26396: 25.1; char-displayable-p on a latin1 tty, Kevin Ryde, 2017/04/11