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Re: [AUCTeX-devel] a strange problem with pretty symbols and qquad

From: Uwe Brauer
Subject: Re: [AUCTeX-devel] a strange problem with pretty symbols and qquad
Date: Fri, 06 Nov 2015 10:43:42 +0000
User-agent: Gnus/5.13001 (Ma Gnus v0.10) Emacs/25.0.50 (gnu/linux)

>>> "Tassilo" == Tassilo Horn <address@hidden> writes:

    > Uwe Brauer <address@hidden> writes:
    > Hi!

    >> However in one of them (X201) the command \qquad is displayed
    >> correctly using the pretty symbol mode, however in the other it is not
    >> not,

    > It's most likely a font issue, i.e., on one laptop emacs find some font
    > which can display that character and on the other it doesn't.  Place
    > point on the character and do M-m `describe-char' which also mentions
    > the used font.

Oh I thought that this is symbol is covered by my main font, which is
 '(default ((t (:family "DejaVu Sans Mono" :foundry "unknown" :slant
 normal :weight normal :height 143 :width normal))))

Reason: I remember when I had my default font set to courier the
math/unicode symbol looked different.

Be it as it may describe-char tells me:

|              position: 121 of 339 (35%), column: 3
|             character: \ (displayed as \) (codepoint 92, #o134, #x5c)
|     preferred charset: iso-8859-1 (Latin-1 (ISO/IEC 8859-1))
| code point in charset: 0x5C
|                script: latin
|                syntax: \      which means: escape
|              category: .:Base, a:ASCII, l:Latin
|              to input: type "C-x 8 RET 5c" or "C-x 8 RET REVERSE SOLIDUS"
|           buffer code: #x5C
|             file code: #x5C (encoded by coding system iso-latin-1-unix)
|               display: composed to form "\qquad" (see below)
| Composed with the following character(s) "qquad" by the rule:
|       (?⧢)
| The component character(s) are displayed by these fonts (glyph codes):
|  ⧢: xft:-unknown-unifont-normal-normal-normal-*-19-*-*-*-d-0-iso10646-1 
| See the variable ‘reference-point-alist’ for the meaning of the rule.
| Character code properties: customize what to show
|   old-name: BACKSLASH
|   general-category: Po (Punctuation, Other)
|   decomposition: (92) ('\')
| There are text properties here:
|   charset              iso-8859-1
|   composition          [Show]
|   face                 (font-latex-math-face font-lock-keyword-face 
|   fontified            t
| [back]

So "-unknown-unifont-normal-normal-normal-*-19-*-*-*-d-0-iso10646-1 (#x29DE)"

Does not look very informative.



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