no doubt on "versioning is a very very hard problem."  I have thought about
it many times.  Recently I told our guys who are involved in the w3c stuff
to wait on contacting people and see what comes out of w3c.  I feel much
better knowing people are thinking about the issue.
    I come from a world of j2ee descriptors, xml for api's, xml for SOAP
etc, xml for hibernate mapping, etc.. I will have to read the links you gave
me in my spare time.  I am very interested.
thanks,
dean


----- Original Message ----- 
From: <noah_mendelsohn@u...>
To: "Dean Hiller" <dean@x...>
Cc: <xmlschema-dev@w...>; "David Orchard" <dorchard@b...>
Sent: Thursday, October 21, 2004 11:15 AM
Subject: Re: 3rd try on versioning question


> RESEND (with propoer cc: address for Dave Orchard)
>
> Dean Hiller writes:
>
> > wow, alot of great responses this time.
> > I really like the counter on the html example.
> > That is really good.
>
> I'm glad it was helpful, thank you.
>
> > I will have to think more about that.  It really
> > depends on the way html authoring is done these
> > days.  I guess we are not to the point where it
> > is primarily done with tools yet especially when
> > it comes to jsp's.
>
> Perhaps there is still a bit of confusion.  HTML is only an example.  Many
> users of XML have vocabularies that would look unnatural or inconvenient
> if they sprouted explicit version control on individual instance elements
> after the initial release.  Whatever we do needs to anticipate the needs
> of such users, not just those who author HTML.
>
> You might be interested in an analysis that I did for the schema WG and
> later posted in a publicly accessible archive [1].  This analysis is not
> consensus of the Schema WG;  there are other members of the WG who have
> somewhat different view of these issues and who especially would differ
> with some of the mechanisms discussed in the second part of the note.  You
> may also want to keep an eye on the work that David Orchard and Norm Walsh
> have been doing toward a TAG finding [2] on XML Versioning (draft at
> [3]--I wouldn't be surprised to see new drafts soon).
>
> At the very least, I hope that you will get a feeling that we are all
> trying hard to understand the requirements and use cases, and that taken
> together those use cases embody a broader range of concerns and
> constraints than many casual observers might notice.  Whether we can in
> fact do something useful in this space, either by providing explicit
> mechanisms or best-practices advice remains to be seen.  Versioning is
> known to be a very, very hard problem.
>
> Noah
>
> [1] http://lists.w3.org/Archives/Public/www-tag/2004Aug/0010.html
> [2] http://www.w3.org/2001/tag/findings
> [3] http://www.w3.org/2001/tag/doc/versioning-20031003
>
> --------------------------------------
> Noah Mendelsohn
> IBM Corporation
> One Rogers Street
> Cambridge, MA 02142
> 1-617-693-4036
> --------------------------------------
>
>
>


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