PWG> FW: [PWG SC topic] Tim Bray on RelaxNG

From: McDonald, Ira (imcdonald@sharplabs.com)
Date: Mon Nov 28 2005 - 13:08:03 EST

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Hi folks,

Topic for next WIMS telecon and next PWG Steering Committee telecon.

[The context is describing constraints in schema for XML documents]

Below is a thought-provoking comment recently from Tim Bray (Textuality)
about the misuse of W3C XML Schema in IETF specs where ISO Relax NG would
be more appropriate.

Tim's _first_ sentence (not quoted below) was:

"My input: The proposal is an attempt to work around one of the many known

limitations of W3C XML Schema. It also seems to increase the complexity
and
decrease the readability of your XML."

It's worth considering whether our PWG standard SM/1.0 printing schema and
the new WIMS imaging system schema should be translated to Relax NG.

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Blue Roof Music / High North Inc
PO Box 221 Grand Marais, MI 49839
phone: +1-906-494-2434
email: imcdonald@sharplabs.com

-----Original Message-----
From: owner-netconf@ops.ietf.org [mailto:owner-netconf@ops.ietf.org]On
Behalf Of Phil Shafer
Sent: Monday, November 28, 2005 11:17 AM
To: netconf@ops.ietf.org
Subject: Tim Bray on RelaxNG

http://www1.ietf.org/mail-archive/web/xml-dir/current/msg00108.html

    As a general practice, I would advise the IETF to specify XML
    languages using the simpler, more general, more flexible, more
    interoperable RelaxNG, which is also an ISO standard by the
    way. For example, Atompub did this in draft-ietf-atompub-format-11,
    which is now a proposed standard and waiting for its RFC number.
    In particular, the kind of extensibility you want for XCON would
    be easily modeled in RelaxNG without the need for this kind of
    egregious kludge. -Tim Bray

Can we revisit the use of Relax-NG for netconf (before we start
resorting to egregious kludges ;^)?

Thanks,
Phil

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