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

From: Julian Reschke <julian.reschke@gmx.de>
Date: Wed, 03 Feb 2010 15:14:02 +0100
Message-ID: <4B6984AA.9000906@gmx.de>
To: Anne van Kesteren <annevk@opera.com>
CC: noah_mendelsohn@us.ibm.com, Dan Connolly <connolly@w3.org>, "Henry S. Thompson" <ht@inf.ed.ac.uk>, www-tag@w3.org
Anne van Kesteren wrote:
> On Wed, 03 Feb 2010 14:56:42 +0100, Julian Reschke 
> <julian.reschke@gmx.de> wrote:
>> 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 instance.

The doctypes are allowed, but contents that uses all of what's allowed 
in these doctypes may not (for instance, head/@profile, 
meta/@name=keywords etc).

So again; it's not just about doctypes.

Best regards, Julian
Received on Wednesday, 3 February 2010 14:14:41 UTC

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