[whatwg] HTML5: compatible with all legacy Web browsers
simonp at opera.com
Fri Aug 7 03:39:49 PDT 2009
On Thu, 06 Aug 2009 19:49:45 +0200, Elliotte Rusty Harold
<elharo at ibiblio.org> wrote:
> Section 1.7:
> "The first such concrete syntax is "HTML5". This is the format
> recommended for most authors. It is compatible with all legacy Web
> I challenge the claim that HTML5 is compatible with *all* legacy Web
I guess it depends on the definition of "compatible".
> I can produce valid HTML 4 documents today that are not
> compatible with *all* legacy Web browsers.
That's irrelevant. Can you produce valid HTML5 documents today that are
not compatible with all legacy Web browsers?
I guess the following is an example of a valid HTML5 document that is
incompatible with legacy Web browsers:
> I suggest this be weakened
> to something like "is compatible with most Web browsers still in
> active use today".
What is it that is not compatible with which browser?
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