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RE: comment on draft finding on abstract component references

From: Williams, Stuart <skw@hp.com>
Date: Tue, 13 Jan 2004 12:46:04 -0000
Message-ID: <E864E95CB35C1C46B72FEA0626A2E80869A490@0-mail-br1.hpl.hp.com>
To: "'C. M. Sperberg-McQueen'" <cmsmcq@acm.org>
Cc: www-tag@w3.org, "'w3c-xml-schema-wg@w3.org'" <w3c-xml-schema-wg@w3.org>

Hello Michael,

Thank you for your comments which have been duely noted by the TAG. I'm
responding on behalf of the TAG with the intent of improving our interaction
with the XML Schema WG.

With respect to the finding in question, at present a draft finding, the TAG
very much invite comment from the XML Schema WG (and the wider community).
For information, the draft has been updated [1] since your meeting of 30th
October, the current draft is at [2]. Comments should be sent to

I'm also aware that at the mid-November AC meeting there were some informal
interactions between some XML Schema WG participants and some TAG
participants  which touched on some of topics you raise. Obviously this was
not a formal interaction, however it has served to raise awareness amongst
TAG participants of some of the concerns apparent below. My hope is that
this will lead to improved working between our respective groups.

On that topic (improved working), a significant proportion of the TAG expect
to be present throughout the week at the W3C Technical Plenary. We will be
holding our own F2F during that week, but our intent is also to liase with
other working groups as well. We have a number of topics that would benefit
from F2F discussion with the XML Schema WG including (but not limited to

a) Abstract Component References and Schema Component Designators [*]
b) Extensiblity and versioning of XML Languages (ref: *draft* findings [3])
c) Comments on the TAGs LC Webarch Document [4] that XML Schema may wish to
discuss with the TAG.

If possible, I'd like us to agree in principle to such a F2F meeting during
the Tech Plenary week. We can then work (offline) on the logistics of
whether we meet within the alotted F2F times of one or other Group - or at
some other mutually convenient time. Please let me know this will be
possible for the point of view of the XML-Schema WG.

Best regards

Stuart Williams
On Behalf of W3C TAG.
[1] http://lists.w3.org/Archives/Public/www-tag/2003Nov/0008.html
[2] http://www.w3.org/2001/tag/doc/abstractComponentRefs-20031030
[3] http://www.w3.org/2001/tag/doc/versioning-20031003
[4] http://www.w3.org/TR/2003/WD-webarch-20031209/

[*] There is some interest amongst the TAG to know when the next public WD
of Component Designators will be available. The version referenced below
appears to be member-only.

> -----Original Message-----
> From: C. M. Sperberg-McQueen [mailto:cmsmcq@acm.org]
> Sent: 8 January 2004 16:28
> To: www-tag@w3.org
> Subject: comment on draft finding on abstract component references
> Dear colleagues:
> The XML Schema Working Group some time ago instructed me, as
> its chair, to write you regarding your draft finding on
> references to abstract components.  Putting my to-do list in
> order for the start of the new year, I find that I have not
> fulfilled that action.  With apologies for the delay, I do so
> now, without changing the wording.
> The text follows, as approved by the WG in a meeting on 30 October.
> The Schema WG recently noted the draft finding on references
> to abstract components [1] and the minutes from the
> subsequent TAG discussion of that draft finding [2]. As you
> are aware, we have been working on a reference mechanism for
> our own abstract components, the latest draft of which is
> available at [3]. We are relieved to observe that the TAG
> agrees that references to abstract components can be
> appropriate. However, since we have taken the approach in our
> work of leveraging the XPointer framework, we are deeply
> concerned to see that some members of the TAG, at least, seem
> to oppose the use of that framework. We are concerned that
> the TAG discussion can be taken as deprecating and
> undermining a published W3C Recommendation, and we note that
> the issues in question appear to have been known and raised
> [4] when that Recommendation was being developed. The
> objections did not command consensus then, nor do they seem
> to us to command consensus now.
> We very much hope that the TAG will not issue any finding
> which impacts our work without close consultation in advance
> -- please let us know if this is seems likely to be necessary."
> [1]
> [2] http://www.w3.org/2003/10/20-tag-summary.html
> [3] http://www.w3.org/XML/Group/2003/10/WD-xmlschema-ref-20031020/
> [4]
Received on Tuesday, 13 January 2004 07:49:27 UTC

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