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Re: Questions about Elementary Math

From: Neil Soiffer <NeilS@dessci.com>
Date: Thu, 26 Jun 2014 10:03:31 -0700
Message-ID: <CAESRWkDQL2fkvvOTk6UG4ShodSw6R=AqwbSXoqOa=0vs59DRfQ@mail.gmail.com>
To: David Carlisle <davidc@nag.co.uk>
Cc: Grégory Pakosz <gpakosz@myscript.com>, "www-math@w3.org" <www-math@w3.org>
As noted, MathPlayer (which died at IE9 unless MS fixes a bug in enterprise
mode -- enterprise mode was introduced a few months back), supports it.
Along with MathPlayer, the MathFlow SDK tools (EquationComposer and
DocumentComposer) also support it. That's where the rec's images came from.

    Neil



On Wed, Jun 25, 2014 at 8:10 AM, David Carlisle <davidc@nag.co.uk> wrote:

>  On 24/06/2014 15:56, Grégory Pakosz wrote:
>
>  Hello,
>
>
>  I have two questions regarding elementary math as specified by MathML
> 3.0:
>
>
>  1) Is there a renderer out there that supports rendering additions,
> substractions, multiplications, and divisions with <mstack>, <mscarries>,
> and <mlongdiv> ? I failed to find one so far (downgrading IE to IE9 +
> installing a plugin isn't really future proof).
>
>
>
> Possibly currently only MathPlayer supports it natively, and as you
> indicate that is not available in current IE
>  however it's possible to transform the markup to mathml2 for rendering in
> other clients.
>
> The MathJax "content mathml" extension and the firefox  mathml-mml3ff
> addon both work by using some XSLT of mine
> to translate the markup to mathml2 mtable.
>
> https://code.google.com/p/web-xslt/source/browse/trunk/ctop
>
> Most of that content mathml to presentation transformation has also been
> re-encoded in javascript to avoid the XSLT stage
> (which is very slow in chrome) although not currently the elementary math
> part, that shouldn't be hard to add, given some time.
>
>
>
>
>
>   2) Despite being XML, <mstack> relies on children order instead of
> named elements like <dividend>, <divisor>, <quotient>. What's the rationale
> behind this choice?
>
>
>
> Positional children are used quite a lot in the mathml design: mfrac msub
> etc  also do not have named arguments.
>
>   Thanks you,
>
> Gregory
>
>
> David
>
>
Received on Thursday, 26 June 2014 17:03:59 UTC

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