Re: [ietf-types] Update to text/html registration

"Michael[tm] Smith" <mike@w3.org> Thu, 09 August 2012 12:27 UTC

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Date: Thu, 09 Aug 2012 21:27:13 +0900
From: "Michael[tm] Smith" <mike@w3.org>
To: Julian Reschke <julian.reschke@gmx.de>
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Cc: ietf-types@ietf.org
Subject: Re: [ietf-types] Update to text/html registration
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Julian Reschke <julian.reschke@gmx.de>, 2012-08-09 14:07 +0200:

> On 07.08.2012 19:28, Michael[tm] Smith wrote:
> >Mark Baker <distobj@acm.org>, 2012-08-07 10:00 -0400:
> >>I left the WG when HTML5 was deliberately backwards-incompatible,
> >
> >Not sure what in particular you thought was deliberately backwards-
> >incompatible, but OK.
> 
> Some things that are valid HTML4 aren't conforming (valid) in HTML5 anymore.

I wouldn't call that backwards-incompatible, because it only relates to
validation. I take backwards-compatibility to mean that we're not breaking
browser behavior for any existing content on the Web. Any elements or
attributes that had browser processing/rendering behavior associated with
them prior to HTML5 have that same behavior in HTML5. Document conformance
and validity are a separate thing, and making that always match what HTML4
is a non-goal.

  --Mike

-- 
Michael[tm] Smith http://people.w3.org/mike