A minimal example that still produces the error in my oXygen 20 is this:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE chapter[
  <!ENTITY foo "bar">
]>
<?xml-model href="http://docbook.org/xml/5.1/sch/docbook.sch"; type="application/xml" schematypens="http://purl.oclc.org/dsdl/schematron";?>
<chapter xmlns="http://docbook.org/ns/docbook";
    xmlns:xlink="http://www.w3.org/1999/xlink"; version="5.1">
     <title/>
     <para/>
</chapter>

Commenting out either the doctype declaration or the Schematron PI will avoid the error.

It seems as if the Schematron processor chokes on the absence of a system identifier. Changing the doctype declaration into

<!DOCTYPE chapter SYSTEM "https://docbook.org/xml/5.0/dtd/docbook.dtd"; [
  <!ENTITY foo "bar">
]>

solved the issue. But this is not ideal for several interrelated reasons:

– The associated DTD is for DocBook 5.0;
– It will be fetched from the server every time when opening and validating the document; – Beginning with 5.1, there is no DocBook DTD any more. Otherwise one could download it and access it locally via XML catalog; – Validation should be performed against the Relax NG schema (I omitted the corresponding PI in the example above).

I have the feeling that the Schematron implementation uses another, more picky, XML parser than the rest of oXygen.

On the other hand I wonder why it worked again after you re-inserted the Schematron PI.

Is anyone else able to reproduce the "[ISO Schematron] XML Parsing failed" error with the internal-subset-only declaration above?

Gerrit




On 07.05.2018 15:40, Bernhard Kleine wrote:
I would like to send you a file, but unfortunately I can not reproduce
the error I got yesterday. Very strange. When It happen again I will
send you a file. All I did yesterday I removed this line
<?xml-model href="http://docbook.org/xml/5.1/sch/docbook.sch";
type="application/xml" schematypens="http://purl.oclc.org/dsdl/schematron";?>
  and the error disappeard.
Adding it back today, no parsing error apparent with either 19.1 oder
20.0. Strange!

REgards Bernhard

Am 07.05.2018 um 11:41 schrieb Oxygen XML Editor Support (Radu Coravu):
Hi Bernhard,

If you can send us (either though the mail list or via
"supp...@oxygenxml.com") some small sample Docbook documents to
reproduce the problem on our side, we could try to investigate this
further.

Regards,
Radu

Radu Coravu
<oXygen/> XML Editor
http://www.oxygenxml.com

On 5/6/2018 10:30 AM, Imsieke, Gerrit, le-tex wrote:
Hi Bernhard,

I don’t know what you mean by “The error removes any preface”.

I noticed that you used "<!DOCTYPE chapter[…" instead of "<!DOCTYPE
preface[…" in the preface file.

However, when I create a new DocBook 5.1 chapter based on the framework
template, and if I add a DOCTYPE declaration, then the error "F [ISO
Schematron] XML Parsing failed" error will always arise, until I remove
either the DOCTYPE declaration or the Schematron xml-model processing
instruction.

This is probably something the oXygen people need to investigate.

Gerrit

On 06.05.2018 09:22, Bernhard Kleine wrote:
The error removes any preface, ough.


Am 06.05.2018 um 09:04 schrieb Bernhard Kleine:
Dear all,

I have the following preface:

<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://docbook.org/xml/5.1/rng/docbook.rng";
      schematypens="http://relaxng.org/ns/structure/1.0";?>
<?xml-model href="http://docbook.org/xml/5.1/sch/docbook.sch";
      type="application/xml"
schematypens="http://purl.oclc.org/dsdl/schematron";?>
<!DOCTYPE chapter[
      <!ENTITY % my-entities SYSTEM "../Myentities.ent">
      %my-entities;
      ]>
<preface xmlns="http://docbook.org/ns/docbook";
      xmlns:xlink="http://www.w3.org/1999/xlink";
      xmlns:xi="http://www.w3.org/2001/XInclude";
      version="5.1">
      <title>Vorwort zur vierten Auflage</title>
      <xi:include href="Vorwort4Auflage.xml"/>
      <xi:include href="Vorwort3Auflage.xml"/>
      <xi:include href="Vorwort2Auflage.xml"/>
      <xi:include href="Vorwort1Auflage.xml"/>

</preface>

The separate files are all composed like this:

<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="http://docbook.org/xml/5.1/rng/docbook.rng";
      schematypens="http://relaxng.org/ns/structure/1.0";?>
<?xml-model href="http://docbook.org/xml/5.1/sch/docbook.sch";
      type="application/xml"
schematypens="http://purl.oclc.org/dsdl/schematron";?>
<!DOCTYPE chapter [
      <!ENTITY % my-entities SYSTEM "../Myentities.ent">
      %my-entities;
      ]>
<simplesect xmlns="http://docbook.org/ns/docbook";
xmlns:xlink="http://www.w3.org/1999/xlink";
xmlns:xi="http://www.w3.org/2001/XInclude";
      version="5.1"><title>Vorwort</title>
      <para>bedanken wir uns auch an dieser Stelle.</para>
      <para>im Dezember 2006</para>
</simplesect>

A chapter where the error does not appear starts similarly, but with
chapter instead of simplesect. However, changing <!DOCTYPE chapter [
to
<!DOCTYPE simplesect [
does not help to get rid of the message.

What do I wrong?

Kind regards

Bernhard



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