<?xml version='1.0'?> <!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-
-<!--
- SPDX-License-Identifier: LGPL-2.1+
--->
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="machine-info">
<refentryinfo>
<para>The following machine metadata parameters may be set using
<filename>/etc/machine-info</filename>:</para>
- <variablelist>
+ <variablelist class='environment-variables'>
<varlistentry>
<term><varname>PRETTY_HOSTNAME=</varname></term>