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bug#6471: Arabic display by emacs -Q on HELLO

From: David De La Harpe Golden
Subject: bug#6471: Arabic display by emacs -Q on HELLO
Date: Sat, 19 Jun 2010 23:58:13 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100515 Icedove/3.0.4

On 19/06/10 23:16, David De La Harpe Golden wrote:

Aside: HELLO looks distinctly odd around the arabic lines in emacs -Q
but not with my normal config. Probably independent from the immediate
scrolling issue and possibly font-dependent, I'll file a separate bug.

Yes, emacs -Q is picking this font:


from debian package ttf-arabeyes:


and "emacs" this font (in accord with my default font customisation):

xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-15-*-*-*-m-0-iso10646-1

Actually, I suspect (not that I know arabic) both cases are displaying it incorrectly (not composed), but it looks particularly off with the former, with the character cell for the character taking up half the screen. This might be partially a problem with the font in question.

character: ّ (1617, #o3121, #x651)
preferred charset: arabic-iso8859-6 (Right-Hand Part of ISO/IEC 8859/6 (Latin/Arabic): ISO-IR-127)
       code point: 0x71
           syntax: w    which means: word
         category: b:Arabic
      buffer code: #xD9 #x91
file code: ESC #x2C #x47 #x71 (encoded by coding system iso-2022-7bit-unix)
          display: by this font (glyph code)
xft:-unknown-Metal-normal-normal-normal-*-13-*-*-*-*-0-iso10646-1 (#x21C)

Character code properties: customize what to show
  old-name: ARABIC SHADDAH
  general-category: Mn (Mark, Nonspacing)

There are text properties here:
  charset              arabic-iso8859-6

Attachment: emacs_q_hello_arabic.png
Description: PNG image

Attachment: emacs_hello_arabic.png
Description: PNG image

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