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Re: XML, namespaces, extensibility and validation

From: Mark Nottingham <mnot@yahoo-inc.com>
Date: Wed, 5 Sep 2007 11:15:56 +1000
Message-Id: <38F0E0F4-8843-44A1-9B2C-C26CC83511D0@yahoo-inc.com>
Cc: www-tag@w3.org
To: olivier Thereaux <ot@w3.org>


On 2007/06/25, at 4:22 PM, olivier Thereaux wrote:

>
>> - allow people to add new elements and tags, using namespaces.
>
> This is mostly something the XHTML specs should allow.

The HTML specs don't (depending on how you read them), but IMO they  
should (I've brought this up before).

>
>> - give a list of extensions used the validator does not know  
>> about.  This is a warning, not an error.
>
> Could you give an example of that?

My thinking was that unrecognised elements/attributes in HTML (not  
just XHTML) should raise a warning, rather than an error.

Cheers,

--
Mark Nottingham       mnot@yahoo-inc.com
Received on Wednesday, 5 September 2007 01:17:32 GMT

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