Re: data-* attributes

It’s not just the W3C validator. We found a similar issue with the Design Science MathFlow integration into oxygen XML 15 earlier this year at Pearson School.

We solved the issue by moving the data-* attr. Out of the MathML.

Jean Kaplansky
Senior Director, Solutions Architecture
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twitter: @JeanKaplansky

See our new website<http://www.aptaracorp.com/>


From: Peter Krautzberger <peter.krautzberger@mathjax.org<mailto:peter.krautzberger@mathjax.org>>
Date: Friday, October 31, 2014 at 6:13 AM
To: "www-math@w3.org<mailto:www-math@w3.org>" <www-math@w3.org<mailto:www-math@w3.org>>
Subject: data-* attributes
Resent-From: <www-math@w3.org<mailto:www-math@w3.org>>
Resent-Date: Friday, October 31, 2014 at 6:14 AM

Hi www-math,

I've recently noticed that the W3C validator<http://validator.w3.org/check> considers  HTML5 documents with data-* attributes on MathML elements invalid.

I'm wondering if this is a bug.

It also made me wonder in how far the MathML spec could adopt data-* in general. The spec suggests<http://www.w3.org/Math/draft-spec/mathml.html#chapter2_interf.unspecified> namespacing for unspecified data. When working in both XML and HTML5 contexts this seems less than ideal.

Best regards,
Peter.
--

Dr. Peter Krautzberger
MathJax Manager
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