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From: "Juanma Barranquero" <lekktu@gmail.com>
To: "Jason Rumney" <jasonr@gnu.org>
Cc: emacs- devel <emacs-devel@gnu.org>
Subject: Re: segmentation fault displaying etc/HELLO on Windows
Date: Wed, 30 Jul 2008 16:03:33 +0200	[thread overview]
Message-ID: <f7ccd24b0807300703p26fe2abof3135eed19e4fff9@mail.gmail.com> (raw)
In-Reply-To: <48906865.4000808@gnu.org>

On Wed, Jul 30, 2008 at 15:11, Jason Rumney <jasonr@gnu.org> wrote:

> Indeed, that was the problem. I reduced the buffer size to 1, since
> characters that produce multiple glyphs can't be handled properly by
> uniscribe_encode_char, but passed in a size of 20 (a number I'd picked
> after I'd come across Indic characters that produce more than the 2
> glyphs I'd originally allowed for) to the system function.

I can confirm that it doesn't crash anymore.

And the performance improvement is really great; I've been able to
scroll down the whole etc/NEWS buffer with the redisplay keeping the
pace and not a single undesired recenter in sight...

BTW, one of those questions about weird font selection choices by the
font backend:

In etc/HELLO there are two instances of U+2200 (FOR ALL). The newest
release of DejaVu (2.26) added a glyph for that codepoint to DejaVu
Sans Mono, which I use as default font.

Now the weird thing is, the first FOR ALL in etc/HELLO is shown as

        character: ∀ (8704, #o21000, #x2200)
preferred charset: unicode (Unicode (ISO10646))
       code point: 0x2200
           syntax: . 	which means: punctuation
         category: h:Korean j:Japanese
      buffer code: #xE2 #x88 #x80
        file code: ESC #x24 #x42 #x22 #x4F (encoded by coding system
iso-2022-7bit-dos)
          display: by this font (glyph code)
    uniscribe:-outline-DejaVu Sans
Mono-normal-normal-normal-mono-13-*-*-*-c-*-iso10646-1 (#x7A2)

while the second one is

        character: ∀ (8704, #o21000, #x2200)
preferred charset: unicode (Unicode (ISO10646))
       code point: 0x2200
           syntax: . 	which means: punctuation
         category: h:Korean j:Japanese
      buffer code: #xE2 #x88 #x80
        file code: ESC #x24 #x42 #x22 #x4F (encoded by coding system
iso-2022-7bit-dos)
          display: by this font (glyph code)
    uniscribe:-outline-MS
Mincho-normal-normal-normal-mono-13-*-*-*-c-*-jisx0208*-* (#x421)

Shouldn't it use DejaVu Sans Mono for both?

  Juanma

  reply	other threads:[~2008-07-30 14:03 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-29 20:49 segmentation fault displaying etc/HELLO on Windows Juanma Barranquero
2008-07-30  6:48 ` Jason Rumney
2008-07-30 11:48   ` Juanma Barranquero
2008-07-30 13:05     ` Jason Rumney
2008-07-30 13:11       ` Jason Rumney
2008-07-30 14:03         ` Juanma Barranquero [this message]
2008-07-30 14:19           ` Choice of fonts displaying etc/HELLO (was: Re: segmentation fault displaying etc/HELLO on Windows) Jason Rumney
2008-07-30 15:03             ` Choice of fonts displaying etc/HELLO Jason Rumney
2008-07-30 15:26               ` Juanma Barranquero
2008-08-01 12:50                 ` Kenichi Handa
2008-08-01 12:56             ` Choice of fonts displaying etc/HELLO (was: Re: segmentation fault displaying etc/HELLO on Windows) Kenichi Handa
2008-08-01 13:17               ` Choice of fonts displaying etc/HELLO Jason Rumney
2008-08-01 13:51                 ` Eli Zaretskii
2008-08-05  7:33                   ` Kenichi Handa
2008-08-05 18:12                     ` Eli Zaretskii
2008-08-06  5:30                       ` Kenichi Handa
2008-08-06  6:14                         ` Stephen J. Turnbull
2008-08-06  6:29                           ` Kenichi Handa
2008-08-06 15:52                             ` Stephen J. Turnbull
2008-08-06 17:56                         ` Eli Zaretskii
2008-08-07  1:14                           ` Kenichi Handa
2008-08-07  3:22                             ` Eli Zaretskii
2008-08-07  3:54                               ` Kenichi Handa
2008-08-07  4:54                               ` Miles Bader
2008-08-07 18:03                                 ` Eli Zaretskii
2008-08-07 19:30                                   ` Stephen J. Turnbull
2008-08-11  8:48                                   ` Miles Bader
2008-08-11 19:03                                     ` Eli Zaretskii
2008-07-31  1:49           ` segmentation fault displaying etc/HELLO on Windows Kyle M. Lee
2008-07-31  2:03             ` Juanma Barranquero

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