[whatwg] [html5] tags, elements and generated DOM
lachlan.hunt at lachy.id.au
Wed Apr 6 05:10:44 PDT 2005
Olav Junker Kjær wrote:
> Lachlan Hunt wrote:
>> see no problem with defining error handling for broken documents, but
>> no need to break conformance with SGML in the process. HTML is an
>> application of SGML, regardless of all the broken implementations and
>> documents we currently have, and I don't want to see that changed.
> An innocent question (no flamewar intended):
Of course not, I try not to flame. :-)
> What is the benefit of having HTML defined as an application of SGML ?
So that it may be processed with SGML tools, and validated with an SGML
based validator, and possibly even generated using XSLT. (I know XSLT
can generate HTML4, but I don't know if it would be able to do HTML5 or
not, even if it did remain an SGML application).
Even if it is decided that HTML 5 is not formally an application of
SGML, it must at least remain fully compatible with SGML, and thus a
conformant HTML 5 document must be a conformant SGML document. XHTML
variants of HTML 5 must be a conformant XML document instead, though I
noticed that is not the case with square brackets in ID attributes in
section 3.7.2 of WF2 (are there no other character(s) than can be used
instead?). So, I guess, there's already no hope of HTML 5 conforming to
However, I would like to request that any defined error handling
behaviour designed to cope with malformed documents that directly
violates SGML, be made optional (but recommended) so that a user agent
with a conforming SGML parser may still be conform to HTML 5.
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