xml-dev - Re: explanation of a DTD

["Dave Carlson" <dcarlson@ontogenics.com>]

I believe that this DTD attribute for "e-dtype", or "element data type", is
a convention used by Extensibility in their XML-Authority (XA) schema
editor.  A few months ago, I saw a white paper (and/or W3C note) on
Extensibility's site recommending this approach as a way to store more
declaration information in DTDs.

Because DTDs do not provide a way to declare the type of PCDATA contents,
there in no way to *validate* that the TAXCOUNTRYPROOFRECEIVED element
contains a boolean value.  This declaration is just a hint to tools, like
XA, about the intended type.

Dave

----- Original Message -----
From: Abhishek Srivastava <abisheks@india.hp.com>
To: <xml-dev@xml.org>
Sent: Monday, June 05, 2000 4:55 AM
Subject: explanation of a DTD


Hi,

I came across this particular element definition

<!ELEMENT TAXCOUNTRYPROOFRECEIVED (#PCDATA )>
<!ATTLIST TAXCOUNTRYPROOFRECEIVED e-dtype NMTOKEN  #FIXED 'boolean'>

I'll be grateful if someone could explain it to me.

regards,
Abhishek.

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