From: Eli Zaretskii <eliz@gnu.org>
To: bruce.connor.am@gmail.com
Cc: emacs-devel@gnu.org
Subject: Re: On the masking of undisplayable characters
Date: Tue, 07 Jul 2015 05:43:26 +0300 [thread overview]
Message-ID: <83vbdwvga9.fsf@gnu.org> (raw)
In-Reply-To: <CAAdUY-L+RkaP1KMhZgb+EZbqd5_aSZDRVKgvAfPacwLo=ce4Kw@mail.gmail.com>
> Date: Mon, 6 Jul 2015 20:57:08 +0100
> From: Artur Malabarba <bruce.connor.am@gmail.com>
> Cc: emacs-devel <emacs-devel@gnu.org>
>
> > What characters are you talking about, specifically?
>
> Round quotes were displayed as hard quotes. The reason this happened on my pc
> was a bug, but I understand that for systems that really can't display them
> this is what will happen.
>
> I didn't check whether this applies to any other characters. I was just
> surprised to find out the file was not being displayed as-is without so much as
> a notice.
It should happen only with quotes, and presumably only in
documentation-related buffers. The rationale is that we cannot afford
showing illegible documentation to users just because their terminal
is incapable of displaying these important characters.
I suggested to limit this to windows showing *Help* buffers, but it
was decided to wait until someone complains.
> > It's hard to respond without knowing the details. Most of the uses of
> > display tables I know of are there for ages, so adding some kind of
> > message about that now would seem inappropriate. (And when exactly do
> > we display that message? when the character is first displayed?)
>
> When visiting the file and when the character is typed for the first time,
> would be an option.
Not really: the display engine doesn't examine any of those
characters, until they are on or very near to the visible portion of
the buffer.
> > the glyphless-char-display feature,
>
> I don't know which characters are affected by this.
Those that cannot be displayed by any fonts.
next prev parent reply other threads:[~2015-07-07 2:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 17:38 On the masking of undisplayable characters bruce.connor.am
2015-07-06 18:16 ` Eli Zaretskii
2015-07-06 19:57 ` Artur Malabarba
2015-07-06 23:07 ` Juri Linkov
2015-07-07 2:44 ` Eli Zaretskii
2015-07-07 14:53 ` Eli Zaretskii
2015-07-07 2:43 ` Eli Zaretskii [this message]
2015-07-07 9:32 ` Artur Malabarba
2015-07-07 12:17 ` Yuri Khan
2015-07-07 12:29 ` Artur Malabarba
2015-07-07 13:14 ` Yuri Khan
2015-07-07 13:23 ` Artur Malabarba
2015-07-20 11:02 ` N. Jackson
2015-07-07 15:51 ` Stefan Monnier
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