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Re: Backward-compatibility of text/html media type (ACTION-334, ACTION-364)

From: Anne van Kesteren <annevk@opera.com>
Date: Wed, 03 Feb 2010 15:01:57 +0100
To: "Julian Reschke" <julian.reschke@gmx.de>
Cc: noah_mendelsohn@us.ibm.com, "Dan Connolly" <connolly@w3.org>, "Henry S. Thompson" <ht@inf.ed.ac.uk>, www-tag@w3.org
Message-ID: <op.u7j09jdm64w2qv@annevk-t60>
On Wed, 03 Feb 2010 14:56:42 +0100, Julian Reschke <julian.reschke@gmx.de>  
> The current way the spec and the registration is written will cause huge  
> amounts of previously valid text/html content to become invalid. That  
> can be fixed by obsoleting less stuff in HTML5 or by continuing to allow  
> HTML 4 to be used for text/html. Or we can continue to ignore the issue  
> until we try to update the mime type registration, and then the issue  
> will come up again.

As I said, the HTML4 strict doctypes are allowed, but transitional and  
frameset are not because they cause some amount of harm. If you use those  
doctypes certain parts of CSS will not work according to the standards for  

Anne van Kesteren
Received on Wednesday, 3 February 2010 14:02:53 UTC

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