Oxygen XML Author plugin 13.2.0

Editing Documents | 58Figure 29: Automatic Validation on the Edited DocumentCustom ValidatorsIf you need to validate the edited document with other validation engine than the built-in one you have the possibilityto configure external validators in the Oxygen XML Author plugin user preferences. After such a custom validator isproperly configured it can be applied on the current document with just one click on the Custom Validation Enginestoolbar. The document is validated against the schema declared in the document.Some validators are configured by default but they are third party processors which do not support the output messageformat of Oxygen XML Author plugin for linked messages:• LIBXML - Included in Oxygen XML Author plugin (Windows edition only). It is associated to XML Editor. It isable to validate the edited document against XML Schema, Relax NG schema full syntax, internal DTD (includedin the XML document) or a custom schema type. XML catalogs support (the --catalogs parameter) and XIncludeprocessing (--xinclude) are enabled by default in the preconfigured LIBXML validator. The --postvalid parameteris also set by default which allows LIBXML to validate correctly the main document even if the XInclude fragmentscontain IDREFS to ID's located in other fragments.For validation against an external DTD specified by URI in the XML document, the parameter --dtdvalid ${ds} mustbe added manually to the DTD validation command line. ${ds} represents the detected DTD declaration in the XMLdocument.Caution: Known problem: file paths containing spaces are not handled correctly in the LIBXML processor.For example the built-in XML catalog files of the predefined document types (DocBook, TEI, DITA, etc)are not handled by LIBXML if Oxygen XML Author plugin is installed in the default location on Windows(C:\Program Files) because the built-in XML catalog files are stored in the frameworks subfolder of theinstallation folder which in this case contains at least one space character in the file path.Attention:On Mac OS X if the full path to the LIBXML executable file is not specified in the Executable path textfield, some errors may occur on validation against a W3C XML Schema like:Unimplemented block at ... xmlschema.cThese errors can be avoided by specifying the full path to the LIBXML executable file.• Saxon SA - Included in Oxygen XML Author plugin . It is associated to XML Editor and XSD Editor. It is able tovalidate XML Schema schemas and XML documents against XML Schema schemas. The validation is done according