Re: [docbook-apps] Problems validating file with xinclude content

Wed, 06 Mar 2013 15:23:33 -0800

Actually, the best approach will be to configure the XML parser to resolve the XInclude so that the validation will be done on the whole content. Xerces provides this support, if you do not get that by default then it is just a matter of setting the XInclude aware parser configuration - one way to do that is by setting a system property.
I see the docbookxi.rng more useful from an authoring point of view, as it gives to a schema-aware XML editor the XInclude elements so the editor can propose them to the user. 

Best Regards,
George
--
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com

On 3/6/13 11:43 PM, Richard Hamilton wrote:

Hi Carlos,

The reason it fails is that the xi:include element isn't formally part of the 
DocBook schema, so when you validate against the pure DocBook schema, you will 
get these errors.

The good news is that there is a RelaxNG schema that includes the xinclude 
syntax. I just tried to validate your example with that schema and it 
succeeded. Here is a link to the DocBook 5.0 RelaxNG page:

http://www.docbook.org/xml/5.0/rng/

The schema you need is docbookxi.rng (there's also a .rnc version there).

Best Regards,
Dick Hamilton
-------
XML Press
New from XML Press:
The Content Pool
http://xmlpress.net/publications/the-content-pool

On Mar 6, 2013, at 10:33 AM, Carlos Araya wrote:


Good morning:

I have the following file that runs multiple XIncluded content.

<?xml version="1.0" encoding="UTF-8"?>
<book version="5.0" xml:id="ruby-on-rails-3.2-en" xml:lang="en"
       xmlns="http://docbook.org/ns/docbook";
       xmlns:xlink="http://www.w3.org/1999/xlink";
       xmlns:xi="http://www.w3.org/2001/XInclude";
       xmlns:svg="http://www.w3.org/2000/svg";
       xmlns:m="http://www.w3.org/1998/Math/MathML";
       xmlns:html="http://www.w3.org/1999/xhtml";
       xmlns:db="http://docbook.org/ns/docbook";>
   <info>
     <title>Ruby on Rails 3.2 - Step by Step</title>

     <abstract>
       <para>This is a step by step book to learn how to code Ruby 1.9 and use Ruby 
on Rails 3.2 to create modern web applications.</para>
     </abstract>

     <edition>1.0</edition>

     <author>
       
<personname><firstname>Some</firstname><surname>Author</surname></personname>

       <email>[email protected]</email>

       <affiliation>
         <orgname>AMOOMA GmbH</orgname>
       </affiliation>
     </author>

     <pubdate>2012</pubdate>
   </info>

   <dedication>
     <para>For my family.</para>
   </dedication>

   <preface xml:id="preface">
     <title>Preface</title>

     <para>Content for the preface goes here...</para>
   </preface>

   <xi:include href="installation-und-versionsauswahl.xml"/>

   <xi:include href="ruby-grundlagen.xml"/>

   <xi:include href="erste_schritte_mit_rails.xml"/>

   <xi:include href="activerecord.xml"/>

   <xi:include href="scaffolding.xml"/>

   <!-- There is more xi:included content. This was trimmed for the email -->
   <index xml:id="stichwortverzeichnis"/>
</book>

When I try to validate with Jing, I get the following errors:

      [java] /Users/carlos.araya/code/ruby-book/en/docbook/index.xml:68:60: error: element "xi:include" not allowed here; expected the element end-tag or element "acknowledgements", 
"appendix", "article", "bibliography", "chapter", "colophon", "dedication", "glossary", "index", "part", "preface", 
"reference" or "toc"
      [java] /Users/carlos.araya/code/ruby-book/en/docbook/index.xml:70:43: error: element "xi:include" not allowed here; expected the element end-tag or element "acknowledgements", 
"appendix", "article", "bibliography", "chapter", "colophon", "dedication", "glossary", "index", "part", "preface", 
"reference" or "toc"
      [java] /Users/carlos.araya/code/ruby-book/en/docbook/index.xml:72:52: error: element "xi:include" not allowed here; expected the element end-tag or element "acknowledgements", 
"appendix", "article", "bibliography", "chapter", "colophon", "dedication", "glossary", "index", "part", "preface", 
"reference" or "toc"
      [java] /Users/carlos.araya/code/ruby-book/en/docbook/index.xml:74:40: error: element "xi:include" not allowed here; expected the element end-tag or element "acknowledgements", 
"appendix", "article", "bibliography", "chapter", "colophon", "dedication", "glossary", "index", "part", "preface", 
"reference" or "toc"
      [java] /Users/carlos.araya/code/ruby-book/en/docbook/index.xml:76:39: error: element "xi:include" not allowed here; expected the element end-tag or element "acknowledgements", 
"appendix", "article", "bibliography", "chapter", "colophon", "dedication", "glossary", "index", "part", "preface", 
"reference" or "toc"
      [java] /Users/carlos.araya/code/ruby-book/en/docbook/index.xml:78:34: error: element "xi:include" not allowed here; expected the element end-tag or element "acknowledgements", 
"appendix", "article", "bibliography", "chapter", "colophon", "dedication", "glossary", "index", "part", "preface", 
"reference" or "toc"

I've checked both the DB5: The Definitive Guide and Bob's book and can't find a 
reason why this would fail validation.

Caros



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