[Building Sakai] mathml support

[Matthew Jones]

This is right, currently neither 10 or trunk support MathML and browsers
are dropping native support faster than they're adding it. The OOTB plugin
that is there renders to an image and encodes the MathML only for use in
retrieving the image. The only real support for MathML is through MathJAX.

However, MathML tags are blocked by the filtering in 10 at the moment
https://jira.sakaiproject.org/browse/SAK-22527.

After this was fixed there are 2 ideas for getting MathML (and LaTeX)
 support via MathJAX into Sakai.
The first is a contributed patch that allows you to turn on MathJAX on a
per tool/per site basis.
 - https://jira.sakaiproject.org/browse/SAK-22384
The second is a plugin for CKEditor 4.x that supports MathJAX
 -
http://ckeditor.com/ckeditor_4.3_beta/samples/plugins/mathjax/mathjax.html


On Thu, Feb 27, 2014 at 11:00 AM, Sam Ottenhoff <ottenhoff at longsight.com>wrote:

>
> On Thu, Feb 27, 2014 at 10:46 AM, Adam Marshall <adam.marshall at it.ox.ac.uk
> > wrote:
>
>> I see that ckedit in Sakai 10 has MathML functionality.
>>
>
> Can you be more specific?  The default editor config does have integration
> with FMath which allows users to create complex equations via a GUI.  The
> end result is an image.
>
>
>
>>
>> Looking at <http://caniuse.com/mathml> it would appear that the standard
>> is barely supported. Is this chart wrong? (A quick test indicates that
>> Chrome, Opera and Firefox all display the formulae that I've entered, so
>> maybe it is.)
>>
>> Does anybody have any more info?
>>
>
>
> The chart is correct.  There has never been good browser support for
> MathML rendering in the browser.
>
>
>
>>
>> I'm worried that adding this functionality looks risky - what if Chrome &
>> IE completely remove support?
>
>
> The FMath editor creates images because browsers have offered such lousy
> support for MathML.
>
>
>
>
>> I would have thought that it would be best to leave institutions to
>> decide themselves whether they want to take the risk.
>>
>>
> The CKEditor config is easy to modify in a single JS file
> (ckeditor.launch.js).  Institutions continue to be free to modify the
> default config and use other editors like the completely Javascript-based
> editor from WIRIS (http://www.wiris.com/en/).  We felt that including a
> free editor by default that produces images made the Sakai default build
> better.
>
> --Sam
>
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