<?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="os-release">
<refentryinfo>
<para>The following OS identifications parameters may be set using
<filename>os-release</filename>:</para>
- <variablelist>
+ <variablelist class='environment-variables'>
<varlistentry>
<term><varname>NAME=</varname></term>
</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>LOGO=</varname></term>
+
+ <listitem><para>
+ A string, specifying the name of an icon as defined by <ulink
+ url="http://standards.freedesktop.org/icon-theme-spec/latest">
+ freedesktop.org Icon Theme Specification</ulink>. This can be
+ used by graphical applications to display an operating
+ system's or distributor's logo. This field is optional and
+ may not necessarily be implemented on all systems.
+ Examples:
+ <literal>LOGO=fedora-logo</literal>,
+ <literal>LOGO=distributor-logo-opensuse</literal>
+ </para></listitem>
+ </varlistentry>
+
</variablelist>
<para>If you are reading this file from C code or a shell script