[xep-support] DTD validation

[Bob Stayton]

Actually, that isn't a valid XML DTD.  This content model is valid in SGML but not XML:

   <!ELEMENT TERM      (EFFECT?, (#PCDATA|REFP)+) >

See section 3.2.2 in the XML standard:
http://www.w3.org/TR/REC-xml/#sec-mixed-content

In XML, the #PCDATA must come first.  XMetal can validate SGML, so perhaps it thinks it is SGML?

Bob Stayton
Sagehill Enterprises
DocBook Consulting
bobs at sagehill.net


  ----- Original Message ----- 
  From: JingJun Long 
  To: xep-support at renderx.com 
  Sent: Thursday, February 08, 2007 10:49 PM
  Subject: [xep-support] DTD validation


  Hi there,

  I am using XEP as my engine to generate PDF. I encounter a problem related to render an XML file with DTD.

  The situation on my side is like the following:
  I have a DTD and an XML file. There a doctype definition row in the XML like the following:

  <!DOCTYPE Book PUBLIC 'XXXXXXXXXXX' 'XXXXXX.dtd'[]>

  I can edit this XML file in XMetaL. XMetaL tells me the XML file is OK when I validate the XML file.  From this point, I think the DTD and XML are both correct. 

  I have an XSL for rendering the XML to PDF. When I try to use XEP 4.9 (JDK1.5) to render it to PDF. I got the following error. 

  [error] Error reported by XML parser; SystemID: file:/D:/XXXXXX.dtd; Line#: 214; Column#: 27
  [error] javax.xml.transform.TransformerException: Error reported by XML parser
  error: formatting failed: javax.xml.transform.TransformerException: org.xml.sax.
  SAXParseException: Not a name start character, U+23

  The content at 214 is like the following:

  <!ELEMENT TERM      (EFFECT?, (#PCDATA|REFP)+) >

  The XML parser tells me the DTD is incorrect.  I changed above line into the following. The error disappears.

  <!ELEMENT TERM      (EFFECT?, (REFP)+) >

  It seems the XML parser did not recognize #PCDATA. It still try to treat it as an element. 

  Do you have any idea about this?

  Thanks very much

  Long


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