<?xml version="1.0"?> <!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"> <para> The weekly incremental backup tape is labelled <medialabel>Backup <replaceable>nn</replaceable></medialabel>, where <replaceable>nn</replaceable> is the week number. </para>