The obvious question George - why doesn't the docbook
section need the attach?
Curious!
regards
On 9 February 2016 at 09:11, George Bina <> wrote:
> Hi Bob,
>
> Try adding an attach action on the MathML namespace. This will attach the
> content in MathML to the validation candidate triggered by the <validate
> schema="docbook.rng"/> action. Change the NVDL script as below:
>
> <rules xmlns="http://purl.oclc.org/dsdl/nvdl/ns/structure/1.0"
> startMode="docbook">
> <mode name="docbook">
> <namespace ns="http://docbook.org/ns/docbook">
> <validate schema="docbook.rng"/>
> </namespace>
> <namespace ns="http://www.w3.org/1998/Math/MathML">
> <attach/>
> <validate schema="../xsd/mathml3/mathml3.xsd"/>
> </namespace>
> </mode>
> </rules>
>
> Best Regards,
> George
> --
> George Cristian Bina
> <oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger
> http://www.oxygenxml.com
>
>
> On 09/02/16 02:33, Bob Stayton wrote:
>>
>> I'm having a problem trying to process DocBook 5 documents using NVDL in
>> order to validate DocBook content that has MathML content within
>> equation or inlineequation. The DocBook validation side is failing, but
>> only under NVDL.
>>
>> The DocBook rng schema for inlineequation is as follows:
>>
>> <define name="db.inlineequation.content">
>> <choice>
>> <choice>
>> <oneOrMore>
>> <ref name="db.inlinemediaobject"/>
>> </oneOrMore>
>> <oneOrMore>
>> <ref name="db.mathphrase"/>
>> </oneOrMore>
>> </choice>
>> <oneOrMore>
>> <ref name="db._any.mml"/>
>> </oneOrMore>
>> </choice>
>> </define>
>>
>> This schema specifies either a) inlinemediaobject or mathphrase, or b)
>> some MathML elements. It *allows* MathML, but it does not validate it
>> against the MathML DTD. NVDL is capable of doing that. But ...
>>
>> When I set up NVDL using a schema like this:
>>
>> <rules xmlns="http://purl.oclc.org/dsdl/nvdl/ns/structure/1.0"
>> startMode="docbook">
>> <mode name="docbook">
>> <namespace ns="http://docbook.org/ns/docbook">
>> <validate schema="docbook.rng"/>
>> </namespace>
>> <namespace ns="http://www.w3.org/1998/Math/MathML">
>> <validate schema="../xsd/mathml3/mathml3.xsd"/>
>> </namespace>
>> </mode>
>> </rules>
>>
>> This DocBook content validates against docbook.rng:
>>
>> <para><inlineequation>
>> <math xmlns="http://www.w3.org/1998/Math/MathML">
>> ...
>> </math>
>> </inlineequation></para>
>>
>> But when processed with NVDL, it fails with this message:
>>
>> Engine name: Jing
>> Severity: error
>> Description: element "inlineequation" incomplete; expected element
>> "alt", "inlinemediaobject" or "mathphrase" or an element from another
>> namespace
>>
>> I think what is happening is that Jing has sent the <math> element to be
>> validated against the MathML schema, and then it sends the remains of
>> the inlineequation element to be validated against the DocBook schema.
>> But now inlineequation is empty, and fails validation.
>>
>> I find if I insert an empty <mathphrase> inside inlineequation, then I
>> can work around this error. Does anyone have any other ideas? That is,
>> short of customizing the docbook equation elements to allow them to be
>> empty.
>>
>
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--
Dave Pawson
XSLT XSL-FO FAQ.
Docbook FAQ.
http://www.dpawson.co.uk
