* Nick Dokos: Re: Superscripts in LaTeX export
@ 2009-09-29 0:07 Nick Dokos
0 siblings, 0 replies; only message in thread
From: Nick Dokos @ 2009-09-29 0:07 UTC (permalink / raw)
To: emacs-orgmode
[Forgot to copy the list - again. Giovanni, apologies for
the duplicate.]
------- Forwarded Message
Date: Mon, 28 Sep 2009 20:04:33 -0400
From: Nick Dokos <nicholas.dokos@hp.com>
To: Giovanni Ridolfi <giovanni.ridolfi@yahoo.it>
cc: nicholas.dokos@hp.com
Subject: Re: [Orgmode] Superscripts in LaTeX export
Giovanni Ridolfi <giovanni.ridolfi@yahoo.it> wrote:
> --- Lun 28/9/09, Nick Dokos <nicholas.dokos@hp.com> ha scritto:
> > Giovanni Ridolfi <giovanni.ridolfi@yahoo.it>
> > wrote:
> > > ** A Brief History of Attempts to Interpret the
> > > \( ^{14}\)C Dates
> > Did it work for you or are you saying that theoretically it
> > *should* work?
>
> I didn't try. I thought it should have worked.
>
> > PS. I also tried the standard trick: {}^{14}C. It didn't
> > work either.
> > The LaTeX code generated precedes all the special
> > characters with backslashes.
> >
>
> So it should be something concerning the export
> of the heading.
>
No, it happens in other places as well: ``foo ^{14}C'' is mishandled
both in headings and in content, whereas ``foo x^{14}C'' is handled
correctly, so as Thomas surmised initially, it seems to be the space
preceding the ^ that causes it. The breakage seems to happen in
org-export-latex-treat-sub-super-char where the following test fails for
string-before when it is a space, but succeeds when it is e.g. ``x'':
,----
| ...
| ;; this is part of a math formula
| ((and (string-match "\\S-+" string-before)
| (string-match "\\S-+" string-after))
`----
The question is what would break if the first string-match were allowed
to match a space. E.g. the following "fixes" this problem but I have no
idea what it breaks - probably too many things:
,----
| ...
| ;; this is part of a math formula
| ((and t ;(string-match "\\S-+" string-before)
| (string-match "\\S-+" string-after))
`----
Note btw that ``foo ^{14}C'' is exported correctly to HTML (both in headers and
in content).
Thanks,
Nick
PS. Here is the org file I've been playing with:
,----
| #+OPTIONS: LaTeX:t ^:t
|
| * foo ^{14}C
|
| foo ^{14}C
`----
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