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bug#613: 23.0.60; Unicode display problems


From: Torsten Bronger
Subject: bug#613: 23.0.60; Unicode display problems
Date: Tue, 05 Aug 2008 10:44:49 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

Hallöchen!

Kenichi Handa writes:

> [...]
>
>>> The screen representations of unicode codepoints for left/right
>>> double quotes (x201c, x201d), square root (x221a) and probably
>>> many other are too wide and not anti-aliased like the rest of my
>>> glyphs.  According to display-char, they are taken from
>>>
>>> xft:-unknown-Kochi Gothic-normal-normal-normal-*-17-*-*-*-*-0-iso10646-1
>>>
>>> In contrast to this, alpha, beta, gamma etc are taken from my
>>> main screen font called
>>>
>>> xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-17-*-*-*-m-0-iso10646-1
>>>
>>> Additionally, the ellipsis (x2026) consists of three dots in
>>> x-height (instead of dots on the baseline).
>
> Emacs defines those characters (U+201C, U+201D, U+221A) as
> `symbol' script and the default fontset defines this font
> for `symbol':
>   (font-spec :registry "iso10646-1" :script 'symbol)
>
> So, somehow, "Kochi Gothic" font is scored higher than
> "Dejavu Sans Mono".  Please try this:
>
> (1) Start Emacs as "% emacs -Q".
> (2) ESC : (setq font-log nil)
> (3) ESC : (insert #x201c)
> (4) M-x font-show-log RET
>
> and show me the result.

ftfont-list: -unknown-DejaVu Sans Mono-*-iso10646-1
list: -unknown-DejaVu Sans Mono-*-iso10646-1
ftfont-list: -*-DejaVu Sans Mono-*-iso10646-1
list: -*-DejaVu Sans Mono-*-iso10646-1
ftfont-list: -unknown-*-iso10646-1
  -unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1
  -unknown-DejaVu Sans-normal-oblique-normal-*-0-iso10646-1
  -unknown-Kochi Gothic-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Sans-normal-oblique-semi-condensed-*-0-iso10646-1
  -unknown-UnBatang-bold-normal-normal-*-0-iso10646-1
  -unknown-FreeSerif-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1
  -unknown-UnDotum-bold-normal-normal-*-0-iso10646-1
  -unknown-Kochi Mincho-normal-normal-normal-*-0-iso10646-1
  -unknown-UnBatang-normal-normal-normal-*-0-iso10646-1
  -unknown-FreeSerif-bold-normal-normal-*-0-iso10646-1
  -unknown-FreeSans-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Serif-normal-normal-normal-*-0-iso10646-1
  -unknown-FreeMono-normal-normal-normal-*-m-0-iso10646-1
  -unknown-Kochi Gothic-normal-normal-normal-*-0-iso10646-1
  -unknown-UnDotum-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Serif-normal-normal-semi-condensed-*-0-iso10646-1
  -unknown-DejaVu Serif-normal-italic-semi-condensed-*-0-iso10646-1
  -unknown-OpenSymbol-normal-normal-normal-*-0-iso10646-1
  ...
list: -unknown-*-iso10646-1
  -unknown-DejaVu Sans-normal-normal-semi-condensed-*-0-iso10646-1
  -unknown-DejaVu Sans-normal-oblique-normal-*-0-iso10646-1
  -unknown-Kochi Gothic-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Sans-normal-oblique-semi-condensed-*-0-iso10646-1
  -unknown-UnBatang-bold-normal-normal-*-0-iso10646-1
  -unknown-FreeSerif-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Sans-normal-normal-normal-*-0-iso10646-1
  -unknown-UnDotum-bold-normal-normal-*-0-iso10646-1
  -unknown-Kochi Mincho-normal-normal-normal-*-0-iso10646-1
  -unknown-UnBatang-normal-normal-normal-*-0-iso10646-1
  -unknown-FreeSerif-bold-normal-normal-*-0-iso10646-1
  -unknown-FreeSans-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Serif-normal-normal-normal-*-0-iso10646-1
  -unknown-FreeMono-normal-normal-normal-*-m-0-iso10646-1
  -unknown-Kochi Gothic-normal-normal-normal-*-0-iso10646-1
  -unknown-UnDotum-normal-normal-normal-*-0-iso10646-1
  -unknown-DejaVu Serif-normal-normal-semi-condensed-*-0-iso10646-1
  -unknown-DejaVu Serif-normal-italic-semi-condensed-*-0-iso10646-1
  -unknown-OpenSymbol-normal-normal-normal-*-0-iso10646-1
  ...
sort-by: -unknown-DejaVu Sans Mono-normal-normal-normal-*-12-*-m-0-iso10646-1
  xft:-unknown-Kochi Gothic-normal-normal-normal-*-0-iso10646-1
open: -unknown-Kochi Gothic-normal-normal-normal-*-0-iso10646-1
  xft:-unknown-Kochi Gothic-normal-normal-normal-*-12-*-0-iso10646-1
list: -unknown-DejaVu Sans Mono-normal-*-normal-*-m-0-iso10646-1
  -unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1
  -unknown-DejaVu Sans Mono-normal-normal-normal-*-m-0-iso10646-1
sort-by: -unknown-DejaVu Sans Mono-normal-italic-normal-*-12-*-m-0-iso10646-1
  xft:-unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1
open: -unknown-DejaVu Sans Mono-normal-oblique-normal-*-m-0-iso10646-1
  xft:-unknown-DejaVu Sans Mono-normal-oblique-normal-*-12-*-m-0-iso10646-1

Tschö,
Torsten.

-- 
Torsten Bronger, aquisgrana, europa vetus
                   Jabber ID: address@hidden






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