RE: On ISSUE-41: Decentralized extensibility

http://msdn.microsoft.com/en-us/library/ms531426.aspx#Creating_Custom_Element is the best reference I could find.

From memory - /> never signals an empty element to us - we always, I think, required a close tag.  And we didn't really check "wellformed" very well.  :(

> -----Original Message-----
> From: Thomas Broyer [mailto:t.broyer@gmail.com]
> Sent: Thursday, July 17, 2008 12:56 AM
> To: Chris Wilson
> Cc: public-html@w3.org
> Subject: Re: On ISSUE-41: Decentralized extensibility
>
> On Thu, Jul 17, 2008 at 7:06 AM, Chris Wilson wrote:
> >
> > I just realized I'd never sent my opinion about extensibility in
> HTML.
> >
> > In short, I think extensibility is a very good idea, with some
> parameters
> > around it.  Particularly as I look at the challenges of sanely
> incorporating
> > vocabularies such as SVG and MathML, and then what we would need
> > to do when the next vocabulary comes along, it would seem to be a
> > necessity (or we're just encouraging people to roll their own).  I
> think it's
> > a poor language that doesn't think about its own extensibility,
> particularly
> > when its own vocabulary already approaches "prohibitively large".
>
> Chris, is there a writeup somewhere about IE's parsing rules regarding
> "foreign markup"? (by that I mean: what does trigger "foreign
> language" parsing rules (where "/>" signals a void element), and wrt
> "ill formed" markup).
>
> See also: http://lists.w3.org/Archives/Public/public-

> html/2008Apr/0173.html
> and other mails in the thread.
>
>
> --
> Thomas Broyer