GNU bug report logs -
#10901
24.0.94; Incorrect display of "EMPTY SET" unicode glyph.
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Reported by: Felix Geller <fgeller <at> gmail.com>
Date: Mon, 27 Feb 2012 19:14:02 UTC
Severity: normal
Found in version 24.0.94
Done: Chong Yidong <cyd <at> gnu.org>
Bug is archived. No further changes may be made.
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> From: Felix Geller <fgeller <at> gmail.com>
> Date: Wed, 29 Feb 2012 10:26:09 +0100
> Cc: 10901 <at> debbugs.gnu.org
>
> >> M-x ucs-insert empty set RET
> >>
> >> The displayed character is not an empty set symbol, but a square
> >> symbol.
> >
> > What does Emacs say if you go to the square symbol and type "C-u C-x ="?
>
> (copied from *Help* buffer)
>
> position: 192 of 192 (99%), column: 0
> character: ∅ (displayed as ∅) (codepoint 8709, #o21005, #x2205)
> preferred charset: unicode (Unicode (ISO10646))
> code point in charset: 0x2205
> syntax: . which means: punctuation
> category: .:Base, j:Japanese
> buffer code: #xE2 #x88 #x85
> file code: #xE2 #x88 #x85 (encoded by coding system utf-8-unix)
> display: by this font (glyph code)
> nil:-apple-AppleMyungjo-medium-normal-normal-*-12-*-*-*-p-0-iso10646-1
> (#x00)
>
> Character code properties: customize what to show
> name: EMPTY SET
> general-category: Sm (Symbol, Math)
> decomposition: (8709) ('∅')
So it inserts the correct character, but your font cannot display that
character.
> > I get the empty symbol in the 24.0.94 pretest, so it's something
> > specific to your system. Maybe a font setup issue or something.
>
> Looks like the font name (AppleMyungjo) is off?
Yes.
> Hope can I (help to) investigate further?
Sorry, I don't know. Someone who knows more about fonts should chime
in.
In any case, I think this bug should be closed and the discussion
moved to help-gnu-emacs or emacs-devel.
This bug report was last modified 13 years and 80 days ago.
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