[Bug 8697] Validation of schema extensions in HTML documents

https://www.w3.org/Bugs/Public/show_bug.cgi?id=8697

--- Comment #4 from Dr. Martin W. Baker <martinwbaker@yorkdevres.co.uk> ---
I actually send the documents rendered in a browser with my own extensions for
my own code to use.  

Has been working the odd decade or so and previouly had not been flagged by
other validators.

We are in the somewhat weird situation that all the browsers I have tried this
on work fine with it.

Your validator encourages the removal of the namespace declaration

If I do as the validator suggests then the browsers object to the document and
won't process it right.

Some harmony between general practice and the validator should exist.  

Can you tell me where in the standards it now deprecates the use of namespaces
in HTML documents (maybe a deprecation note that I have failed to see in the
last couple of decades.  

If it has been deprecated then that would explain why browsers are tolerant and
you are not.

regards

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Received on Thursday, 27 August 2015 05:56:09 UTC