* copy jar-file to _/operational_shared/plugins/custom/
* copy jar-file to _/operational_shared/plugins/custom/_
Configuration
Configuration
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* the plugin uses the XML-catalog file specified via plugin settings (if no catalog entry exists an error is reported)
DTDs
....
* the plugin uses the XML-catalog file to validate DTD related XML files.
* the catalog file is specified via plugin settings (if no catalog entry exists an error is reported)
* the catalog file should be created/modified by `xmlcatalog`.
* all paths in catalog file should be absolute
* for tests you could also use env XML_CATALOG_FILES
* please ensure, your catalog file is correct, you could test it with example ```XML_CATALOG_FILES="$(pwd)/example_catalog/" xmlcatalog example_catalog/catalog "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.1 20151215//EN"```. Replace the last string with the corresponding publicID or systemID.
Schemas
.......
* the plugin uses local schema files to validate schema/schematron/relaxng related XML files.
* the schema directory is specified via plugin settings
For a (german) introduction how to use it, check https://www.data2type.de/xml-xslt-xslfo/docbook/xml-kataloge
