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Re: WebApps architecture and such [Fwd: Re: ECMA TC-39 get-together with W3C TPAC folks?]

From: Dan Connolly <connolly@w3.org>
Date: Thu, 03 Dec 2009 11:08:03 -0600
To: www-tag@w3.org
Cc: Doug Schepers <schepers@w3.org>
Message-ID: <1259860083.28030.2981.camel@pav.lan>
On Thu, 2009-11-12 at 14:11 -0600, Dan Connolly wrote:
> One of them (ACTION-310) was related to the ECMA
> TC-39/TPAC get-together(s).
> In the course of trying to find records, I found all
> sorts of stuff in the public-script-coord archives...

I took another look at public-script-coord this week,
and I found a great discussion of the economics
of specifying legacy behavior.


Brendan Eich to Anne van Kesteren 16 Nov 2009
Re: Conflicts between W3C specs and ES5?

This is in the context of discussion of WebIDL and
figuring out boundaries between ECMA JavaScript specs and W3C DOM specs.
It turns out that low level details conflict:

1) Is the global object the same as the object at the end of the
scope chain? (HTML5: yes. ES5: no). [later corrected to no/yes resp.]
  2) What is document.all? (HTML5: a falsy host object. ES5: All
objects (i.e., all non-primitive values) including all host objects
are truthy.)
 -- http://lists.w3.org/Archives/Public/public-script-coord/2009OctDec/0126.html

The thread touches on a number of other detailed conflicts between
specs and implementations.

I hope TAG members find time to take a look before next week's
discussion of WebApps architecture.

Dan Connolly, W3C http://www.w3.org/People/Connolly/
gpg D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E
Received on Thursday, 3 December 2009 17:08:13 UTC

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