MathML in DocBook 5 with Relax NG schema in Oxygen

[Ellyn Larson <elarson@portalyx.com>]

Hello All,

I am trying to get MathML working with Oxygen for DocBook 5.0b6 with Relax NG schema. I am new to Relax NG schema and Oxygen, and probably doing something stupid.

I am referencing the DocBook V5.0, The Transition Guide: Procedure 1. Extending the DocBook schema with the MathML schema, using the the XML syntax of RELAX NG—dbmathml.rng. I have also followed the Figure 2. Adding a new schema association in oXygen

I am receiving the following validation error:

SystemID: C:\xml\rng\dbmathml.rng
Description: java.io.FileNotFoundException-C:\xml\rng\relaxng.dtd (The system cannot find the file specified)

It appears to be looking for an XML DTD rather than a Relax NG schema. Below is the contents of dbmathml.rng.

Many thanks to anyone who can help me.

Ellyn Larson

--------------------------------------------------------------

<?xml version="1.0" encoding="UTF-8"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0">
   
    <include href="C:/xml/DocBook/xml/rng/docbook.rng">
        <define name="db._any.mml">
            <externalRef href="C:/xml/rng/mathml/mathml2.rng"/>
        </define>
       
        <define name="db._any.svg">
            <externalRef href="svg/svg11.rng"/>
        </define>
       
        <define name="db._any">
            <element>
                <anyName>
                    <except>
                        <nsName ns="http://docbook.org/ns/docbook"/>
                        <nsName ns="http://www.w3.org/1999/xhtml"/>
                        <nsName ns="http://www.w3.org/1998/Math/MathML"/>
                        <nsName ns="http://www.w3.org/2000/svg"/>
                    </except>
                </anyName>
                <zeroOrMore>
                    <choice>
                        <attribute>
                            <anyName/>
                        </attribute>
                        <text/>
                        <ref name="db._any"/>
                    </choice>
                </zeroOrMore>
            </element>
        </define>
    </include>
   
</grammar>

--
Ellyn Larson
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