From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christian Moe <mail@christianmoe.com>
Subject: Re: problems with mathjax CDN and HTML export
Date: Wed, 09 Nov 2011 10:09:39 +0100
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To: Giovanni Ridolfi <giovanni.ridolfi@yahoo.it>
Cc: emacs-orgmode@gnu.org, Jambunathan K <kjambunathan@gmail.com>

On 11/8/11 5:09 PM, Giovanni Ridolfi wrote:
> Yes, You're right. It is exported correctly and correctly formatted
> if you export only *this* subheading. The subheading "** $$".
>
> But, if you export the whole subtree, from the
> "* mathjax test " heading, the equation is
> "converted" in HTML format e.g.:&alpha; = \frac{1}{L<sub>0</sub>}
>
> Giovanni

Ah, I see.

The problem is that the "$$" in the subheading is interpreted as an 
unclosed math snippet. (Interesting that it's still exported as a 
heading.) After that, math closes when it should open.

Try closing the subheading: "* $$ $$" and exporting again.

Getting "$$" as a subheading is not quite straightforward, but the 
following will work. Create a user-defined dollar-sign entity (org 
doesn't have one by default):

(setq org-entities-user
    '(("dollar" "\\$" nil "&#36;" "$" "$" "$")))

Now "* \dollar\dollar" should work.

Yours,
Christian