<?xml version="1.0"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
- "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refsect1>
<title>Environment</title>
<term><varname>$SYSTEMD_LESS</varname></term>
<listitem><para>Override the options passed to <command>less</command> (by default
- <literal>FRSXMK</literal>).</para></listitem>
+ <literal>FRSXMK</literal>).</para>
+
+ <para>If the value of <varname>$SYSTEMD_LESS</varname> does not include <literal>K</literal>,
+ and the pager that is invoked is <command>less</command>,
+ <keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> will be ignored by the
+ executable. This allows <command>less</command> to handle
+ <keycombo><keycap>Ctrl</keycap><keycap>C</keycap></keycombo> itself.</para></listitem>
</varlistentry>
<varlistentry id='lesscharset'>