Re: WHATWG MetaExtension

Holger Burghardt <>, 2014-04-13 11:52 +0200:

> Dear Sir or Madame,
> concerning the Markup Validation Service I would like to inform you
> that it does not recognize the DublinCore MetaExtensions for HTML5
> despite the fact that they are listed on the WHATWG wiki as allowed
> extension values for the name="" attribute of the <meta> element in
> HTML5. WhatWG suggests to write you so you can pull the "new" name
> value.

In fact the validator does recognize all values that are listed on the
wiki. If you seem to be finding otherwise, please provide a test document
that I can check to try to reproduce the problem.


> I would appreciate a brief feedback when the metaextensions will be
> recognized by the W3C Markup Validation Service as I am migrating
> from XHTML 1.0 to HTML5 for our website (
> and use your service to verify my changes.
> Sincerly Yours,
> Holger Burhardt

Michael[tm] Smith

Received on Monday, 14 April 2014 16:58:12 UTC