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From: Vladimir Lomov <lomov.vl@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: [bug][ox-latex] Captions in equations
Date: Sun, 19 Jan 2014 12:23:33 +0900	[thread overview]
Message-ID: <20140119032333.GF898@smoon> (raw)
In-Reply-To: <87txd16q0s.fsf@gmx.us>

Hello,
** Rasmus [2014-01-18 20:36:35 +0100]:

> Hi,

> This example produces invalid LaTeX code:

> #+CAPTION: test
> #+ATTR_LATEX: :mode math :environment pmatrix
> | \alpha | \beta | \gamma |

> Namely,

> \begin{equation}
> \caption{test text}
> \mathbf{H}=\begin{pmatrix}
>  \vdots & 0 & \vdots \\
>  \vdots & H & \vdots \\
>  \vdots & 0 & \vdots \\
> \end{pmatrix}.
> \end{equation}

> But an equation cannot have a caption.

> I'm not sure what the desired behavior is.  (i) To silently drop the
> caption, (ii) to wrap the equation in some sort of float and give it a
> caption; or (iii) to print the text sans the \caption{·}.

> (iii) can be archived with math-prefix.  (ii) is a bit weird, but
> could be archived relatively easy, but it's not really what one would
> expect; it's consistent with how captions work for tables (turned into
> a float when a caption is present).  (i) is also a bit weird, but
> seems the most reasonable to me.

> Since I don't know what the correct behavior is, I don't have a patch
> right now.

IMHO, this is wrong approach. I would consider this example as a special
way to generate a matrix when exporting to LaTeX, then CAPTION is
useless here. Also, HTML export will give differently looking result.

So, generally, question here is what the use-case to have special
transformation of a table for LaTeX export, providing that other export
backends never will do any special with given table (or will apply
different transformation), and to give a CAPTION to a table.

> –Rasmus

---
WBR, Vladimir Lomov

-- 
Fear is the greatest salesman.
		-- Robert Klein

  reply	other threads:[~2014-01-19  3:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-18 19:36 [bug][ox-latex] Captions in equations Rasmus
2014-01-19  3:23 ` Vladimir Lomov [this message]
2014-01-19 14:19   ` Rasmus
2014-01-20  0:51     ` Vladimir Lomov
2014-01-20 10:41       ` Rasmus
2014-01-19  9:36 ` Nicolas Goaziou
2014-01-19 14:14   ` Rasmus
2014-01-19 19:41     ` Nicolas Goaziou
2014-01-20 10:13       ` Rasmus
2014-01-25 14:35       ` Rasmus
2014-01-25 22:30         ` Nicolas Goaziou

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