Hi George,

Excellent point. I use the docbookxi.rng schema for exactly that reason when I 
use emacs nxml mode (on those rare occasions when I'm not using Oxygen:-). When 
I want to parse a book, I resolve all the xincludes first.

Dick
-------
XML Press
XML for Technical Communicators
http://xmlpress.net
[email protected]



On Mar 6, 2013, at 3:23 PM, George Cristian Bina wrote:

> 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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