<book xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude"> <info> <title>Arion Manual</title> <subtitle>Version none</subtitle> <author> <affiliation> <orgname>Hercules Labs and other Arion contributors</orgname> </affiliation> <contrib>Author</contrib> </author> </info> <xi:include href="options-composition.xml" /> <xi:include href="options-service.xml" /> </book>