Re: fontification strikethrough unpleasantness with error forms in tables

From: "William Henney" <whenney@gmail.com>
To: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: fontification strikethrough unpleasantness with error forms in tables
Date: Thu, 7 Jun 2007 09:00:25 -0500	[thread overview]
Message-ID: <41c818190706070700m5c6efe2ara83b457ddf18d9ba@mail.gmail.com> (raw)
In-Reply-To: <20070607072326.GA28205@isof-serv.isof.cnr.it>

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> I can't reproduce this either.

Strange. I'm attaching a (heavily compressed) screen shot that
illustrates the problem. (Please let me know if this is a breach of
list etiquette...)

This is what I get when I do "C-u C-x =" on one of the characters in
the problem area:

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  character: 0 (48, #o60, #x30, U+0030)
    charset: ascii (ASCII (ISO646 IRV))
 code point: #x30
     syntax: w 	which means: word
   category: a:ASCII l:Latin
buffer code: #x30
  file code: #x30 (encoded by coding system undecided-unix)
    display: by this font (glyph code)
     -apple-monaco-medium-r-normal--14-140-72-72-m-140-iso10646-1 (#x30)

There are text properties here:
  face                 (:strike-through t org-table)
  font-lock-multiline  t
  fontified            t
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Does it have something to do with the font-lock-multiline variable?

> However did you consider using the symbol  " ± " ? ;-))

Funnily enough, I had thought of that. This is OK so long as as you
are not using formulae, but calc will not interpret a ± b correctly as
an error form.

Slightly off-topic, but another problem I had with using unicode math
characters in tables is that the special characters (e.g., √〈α²〉) are
variable width, even though I use what is supposedly a fixed-width
font. I imagine that this is very system specific (I'm using aquamacs
on os x), but I wonder if anyone on the list has a solution to this
(on any system...).

Cheers

Will

-- 

  Dr William Henney, Centro de Radioastronomía y Astrofísica,
  Universidad Nacional Autónoma de México, Campus Morelia

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