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Re: Rethinking HTML 5 (Was: Re: Semicolon after entities)

From: Philip Taylor (Webmaster) <P.Taylor@Rhul.Ac.Uk>
Date: Tue, 01 May 2007 17:58:02 +0100
Message-ID: <4637719A.60407@Rhul.Ac.Uk>
To: public-html@w3.org

Andrew Sidwell wrote:

 > If HTML5 is to be backwards-compatible

Is this a given ?  Is it even desirable ?
And what does it really mean ? That a document
written in HTML5 will display  "correctly" in
browsers that are HTML5-unaware ?  That's
demonstrably impossible, unless HTML5 is
a strict /subset/ of earlier incarnations
of HTML (as opposed to superset, which an earlier
correspondent proposed).

 > and have well-defined error
 > handling, then I'm not sure
 > how much that differs from defining error
 > handling for existing content.

I remain unconvinced that defining error handling
for "existing content" is a worthwhile (or even
achievable) exercise.  By all means define error
handling for HTML5; even -- if you must -- allow
a conformant HTML5 user agent to recover gracefully
from /some/ (but clearly not all) syntactic errors;
but please don't waste time defining how to process
tag soup.

Philip Taylor
Received on Tuesday, 1 May 2007 16:58:17 UTC

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