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Re: Default namespace declaration in DTD and MSXML

• To: Keith_Wedinger@s..., xml-dev@l...
• Subject: Re: Default namespace declaration in DTD and MSXML
• From: "Wayne Steele" <xmlmaster@h...>
• Date: Wed, 21 Nov 2001 10:26:29 -0800
• Bcc:

Either way is valid, acceptable, conformant, and non-deprecated.

As you have discovered, the MSXML parser does not tolerate the xmlns 
attribute being defaulted via the DTD. This is either a bug, or a limitation 
of this parser, depending on how charitable you're feeling.

-Wayne Steele


>From: "Wedinger, Keith" <Keith_Wedinger@s...>
>To: "Xml-Dev (xml-dev@l...)" <xml-dev@l...>
>Subject:  Default namespace declaration in DTD and MSXML
>Date: Wed, 21 Nov 2001 13:08:04 -0500
>
>I have the following DTD which declares an xmlns attribute to handle the
>default namespace (the DTD comes from RosettaNet):
>
><!ENTITY % common-attributes "id  CDATA #IMPLIED" >
>
><!ELEMENT Preamble (
>           standardName ,
>           standardVersion ) >
>
><!ATTLIST Preamble xmlns CDATA #FIXED
>           "http://www.rosettanet.org/RNIF/V02.00
><http://www.rosettanet.org/RNIF/V02.00> " >
>
><!ELEMENT standardName
>            ( GlobalAdministeringAuthorityCode ) >
>
><!ELEMENT GlobalAdministeringAuthorityCode
>            ( #PCDATA ) >
>
><!ELEMENT standardVersion
>            ( VersionIdentifier ) >
>
><!ELEMENT VersionIdentifier
>            ( #PCDATA ) >
>
>When I attempt to validate the following XML against the DTD above using 
>the
>MSXML parser, I get an error indicating that a default namespace 
>declaration
>in the DTD is not supported.  When I attempt to validate the XML below 
>using
>.NET, I get, "The 'x' character, hexadecimal value 0x78, cannot be included
>in a name."
>
><?xml version="1.0" encoding="UTF-8"?>
><!DOCTYPE Preamble SYSTEM "Preamble_MS_V02_00.dtd">
><Preamble>
>    <standardName>
>
><GlobalAdministeringAuthorityCode>RosettaNet</GlobalAdministeringAuthorityCo
>de>
>    </standardName>
>    <standardVersion>
>       <VersionIdentifier>V02.00</VersionIdentifier>
>    </standardVersion>
></Preamble>
>
>To work around this in my code, I change the <Preamble> root element above
>to:
><Preamble xmlns="http://www.rosettanet.org/RNIF/V02.00">
>Then, MSXML is happy.
>
>My question is:  Is the default namepace declaration in the DTD above in
>conjunction with the XML above considered valid?  Or, would the valid form
>be the root element containing the xmlns attribute?
>
>J. Keith Wedinger
>Senior Software Developer
>Sterling Commerce
>keith_wedinger@s...
>


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