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   RE: [xml-dev] Mixed content in data-binding (Was: Re: [xml-dev] Interest

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  • To: "Peter Hunsberger" <peter.hunsberger@gmail.com>
  • Subject: RE: [xml-dev] Mixed content in data-binding (Was: Re: [xml-dev] Interesting pair of comments
  • From: "Andrew Layman" <andrewl@microsoft.com>
  • Date: Fri, 15 Jul 2005 12:23:35 -0700
  • Cc: "XML-dev" <xml-dev@lists.xml.org>
  • Thread-index: AcWJUUl6GbqNey14Qr+WXcVlgiYEzAAISk6g
  • Thread-topic: [xml-dev] Mixed content in data-binding (Was: Re: [xml-dev] Interesting pair of comments

Agreed.  What matters (for versioning) is having a default processing
model that treats the elements with funny names differently.  Right now,
attributes implicitly provide that segregation.

-----Original Message-----
From: Peter Hunsberger [mailto:peter.hunsberger@gmail.com] 
Sent: Friday, July 15, 2005 8:24 AM
To: Andrew Layman
Cc: XML-dev
Subject: Re: [xml-dev] Mixed content in data-binding (Was: Re: [xml-dev]
Interesting pair of comments

On 7/15/05, Andrew Layman <andrewl@microsoft.com> wrote:

> But there is also a versioning issue. Since adding such meta-data as
> last-modified date after the fact is a typical usage, attributes today
> allow such annotation with less disruption to existing readers.  E.g.
> <email last-modified='2005-02-02'>fred@somewhere.com</email>
> But this only works to one level.  One cannot add an attribute to that
> attribute.
> One could imagine a future version of XML that treated elements and
> attributes with more parallelism, and allowed attributes to have
> structure, perhaps with an element-like syntax, as in:
> ail>
> And
> -who></@last-modified></email>

Umm, not to be glib, but at that point you just have an element with a
funny name. Semantically, elements can already replace attributes, so
what's the point?

Peter Hunsberger


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