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## [Orgmode] Re: MathJax is now the default for HTML math

 From: Detlef Steuer Subject: [Orgmode] Re: MathJax is now the default for HTML math Date: Sat, 14 Aug 2010 22:39:57 +0200

The results look just GREAT.

Could you post the org file to give dummies like me a head start?
Especially the serializing back to HTML? How is it done?

Detlef

On Sat, 14 Aug 2010 21:37:26 +0200

> On 08/14/2010 08:09 AM, Carsten Dominik wrote:
> > From now on, the default settings will
> > use the incredible MathJax library to display math in
> > exported HTML.  If you had never turned on LaTeX snipped
> > math publishing, this will now magically work all by itself.
>
> Yes, indeed it does!
>
> Since I read the announcement this morning, I have been playing with
> MathJax. I found that when an HTML file on the local hard disk uses
> MathJax from the web, MathJax reverts to image fonts in Firefox (this is
> caused by a security feature of Firefox and mentioned in the MathJax
> FAQ). Using a local MathJax installation in a subdirectory fixes this.
>
> Most of my time was spent messing around with XULRunner to load the
> exported HTML page, wait until MathJax has done its magic, then
> serialize the result back to XHTML.
>
> And replace the file:// URLs pointing to the fonts of my local MathJax
> installation with data: URIs, thus embedding the fonts within the HTML
> file itself, just because I can.
>
> The result is a single HTML file which does not require JavaScript to be
> viewed (and incurs no delay while the math is being rendered). However,
> as no MathJax code is present, the zoom and view source functions of
> MathJax are not available.
>
> I have put an example online.
>
> Normal org-mode export using MathJax from orgmode.org:
> http://www.jboecker.de/2010/08/14/mathjax-example.html
>
> Single-file no-javascript version:
> http://www.jboecker.de/2010/08/14/mathjax-example-nojs.html
>
> Internet Explorer will not use the correct font, AFAIK because it only
> supports the EOT fonts (MathJax uses OTF for other browsers), and in
> this case also because I embedded the fonts using data: URIs and IE
> limits the size of data: URIs to 32 KB.
>
> In browsers other than Firefox (I tested with Firefox and Opera), the
> font size and spacing will differ slightly between the two versions.
>
> If people are interested, I can try to make the program take the name of
> a file to operate on as a command line argument, so this could be run as
> part of an org-mode export process or something. Of course, the
> embedding of fonts in data: URIs would be optional.
>
> > Org-mode
> > a tool without peer for scientific note taking, I believe.  It will
> > also drastically improve the quality of printed web pages, because
> > the web pages will not use fixed-resolution images, but scaleable fonts.
>
> And don't forget that on modern high resolution displays, it is common
> to zoom in just to be able to decipher math in images, especially if you
> want sub- and superscripts to be legible.
>
> -- Jan
>
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