ReadWriteParameterNames.KEY_CUSTOM_XML_NAMESPACE_HANDLING.JPhyloIOEventWriter, including token and character set definitions related to this
matrix.MATRIX command in a CHARACTERS, UNALIGNED or DATA block.JPhyloIOFormatInfo.getMetadataModeling(info.bioinfweb.jphyloio.events.type.EventContentType, boolean).LiteralMetadataContentEvents using an XMLEventReader.JPhyloIOEventWriter.LiteralMetadataContentEvents using an XMLStreamReader.JPhyloIOEventWriter.