Re: [PATCH] displaymath environment and MathJax

From: Carsten Dominik <carsten.dominik@gmail.com>
To: "Łukasz Stelmach" <lukasz.stelmach@iem.pw.edu.pl>
Cc: emacs-orgmode@gnu.org
Subject: Re: [PATCH] displaymath environment and MathJax
Date: Thu, 9 Dec 2010 12:04:37 +0100	[thread overview]
Message-ID: <27FE1DDE-29FB-4EB9-9502-8BCD9475CCA3@gmail.com> (raw)
In-Reply-To: <87bp4xscmg.fsf%lukasz.stelmach@iem.pw.edu.pl>

Hi Lukasz,

this looks like a MathJax bug to me.  MathJax does understand
equation and many other environments - so I do not really understand
why it does not take displaymath.

So I believe you should file a report to MathJax and see what their
answer is.

If I understand correctly, the displaymath environment is
somehow fragile.  When using amsmath.sty (which is a good
idea), then displaymath is redefined anyway to fall back
to equation*.

Do the LaTeX experts on this group have a comment on this issue?
It seems strange that displaymath would need special configuration
of MathJax while all the other environments do work out of the box.

- Carsten

On Dec 7, 2010, at 6:42 PM, Łukasz Stelmach wrote:

> Greetings All.
>
> The following patch makes MathJax consider \begin{displaymath} and
> \end{displaymath} as math environmetn boundaries. For someone who,  
> like
> me, keeps "The not so short introduction to LaTeX2e" alway around, the
> displaymath environment is the default way to introduce a block of  
> math.
>
> In fact '\[' and '\]' are also mentioned there but the environment is
> used in every single example so the patch minimizes the surprise.
>
> --8<---------------cut here---------------start------------->8---
> diff --git a/lisp/org-html.el b/lisp/org-html.el
> index d1fe06d..2380c12 100644
> --- a/lisp/org-html.el
> +++ b/lisp/org-html.el
> @@ -290,7 +290,7 @@ You can also customize this for each buffer,  
> using something like
>                      \"TeX/noUndefined.js\"],
>         tex2jax: {
>             inlineMath: [ [\"\\\\(\",\"\\\\)\"] ],
> -            displayMath: [ ['$$','$$'], [\"\\\\[\",\"\\\\]\"] ],
> +            displayMath: [ ['$$','$$'], [\"\\\\[\",\"\\\\]\"], [\"\\ 
> \\begin{displaymath}\",\"\\\\end{displaymath}\"] ],
>             skipTags: [\"script\",\"noscript\",\"style\",\"textarea 
> \",\"pre\",\"code\"],
>             ignoreClass: \"tex2jax_ignore\",
>             processEscapes: false,
> --8<---------------cut here---------------end--------------->8---
>
> -- 
> Miłego dnia,
> Łukasz Stelmach
>
>
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