W3C home > Mailing lists > Public > xml-dist-app@w3.org > September 2001

Re: why no doc type declaration and PIs in SOAP?

From: Francis Norton <francis@redrice.com>
Date: Thu, 20 Sep 2001 18:05:23 +0100
Message-ID: <3BAA21D3.8CFBBAE0@redrice.com>
To: "Champion, Mike" <Mike.Champion@SoftwareAG-USA.com>
CC: xml-dist-app@w3.org

"Champion, Mike" wrote:
> - Keeping DTD information out of SOAP messages (of course, I'm talking about
> the information in the SOAP namespace, not the payload) keeps the lid on a
> large can of worms.  Without a DTD, you can't declare entities, notations,
> default attribute values, and other stuff that significantly limits the
> interoperability of XML in practice.  I'll guess that the subset of XML that
> SOAP now uses could be defined in about 15-20 EBNF productions instead of
> the 90 or so that XML 1.0 employs.
Why do you exclude the payload? Are SOAP payloads allowed to contain
DTDs and PIs? If a device is too small to support full XML parsing for
its SOAP handler, won't it be too small to support full XML parsing for
the ultimate SOAP receiver?

I have to say that I'm not in favour of subsetting XML but if you were
going to subset it, no DTDs and no PIs would make an appealing
combination for non-document use.

Received on Thursday, 20 September 2001 13:09:30 UTC

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