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Re: Placing elements in the HTML namespace

From: Sam Ruby <rubys@us.ibm.com>
Date: Thu, 15 Jan 2009 19:52:00 -0500
To: Ian Hickson <ian@hixie.ch>
Cc: James Graham <jgraham@opera.com>, HTML WG <public-html@w3.org>, public-html-request@w3.org
Message-ID: <OF48A0FD39.E7D46B48-ON85257540.00047C2A-85257540.0004C2FC@us.ibm.com>
Ian Hickson wrote on 01/15/2009 02:43:47 PM:
> On Thu, 15 Jan 2009, James Graham wrote:
> >
> > The requirement that UAs place all HTML elements in the HTML namespace
> > does not make sense for all classes of UA. For html5lib I plan to make
> > it optional whether HTML elements are assigned to the HTML namespace so

> > that people using APIs that have a significant namespace tax do not
> > to pay that tax in the common case.
> This wouldn't be non-conforming, since you don't expose a (W3C) DOM. The
> requirement is a black-box requirement that is only testable if the UA
> also supports Selectors (with namespaces), XPath, W3C DOM scripting, or
> such like.

One of the possible backends of the existing html5lib parser *is* a W3C

I previously made the suggestion that the ignoring of namespaces could be
something individual "treebuilders" (in the html5lib sense) do, but James
seemed unenthusiastic about that suggestion.

> --
> Ian Hickson               U+1047E                )\._.,--....,'``.    fL
> http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
> Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

- Sam Ruby
Received on Friday, 16 January 2009 01:19:27 GMT

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