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diff --git a/man/systemd-halt.service.xml b/man/systemd-halt.service.xml
index ab20f2be4..c94e2a182 100644
--- a/man/systemd-halt.service.xml
+++ b/man/systemd-halt.service.xml
@@ -1,6 +1,6 @@
 <?xml version='1.0'?> <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
   This file is part of systemd.
@@ -23,97 +23,96 @@
 
 <refentry id="systemd-halt.service">
 
-        <refentryinfo>
-                <title>systemd-halt.service</title>
-                <productname>systemd</productname>
-
-                <authorgroup>
-                        <author>
-                                <contrib>Developer</contrib>
-                                <firstname>Lennart</firstname>
-                                <surname>Poettering</surname>
-                                <email>lennart@poettering.net</email>
-                        </author>
-                </authorgroup>
-        </refentryinfo>
-
-        <refmeta>
-                <refentrytitle>systemd-halt.service</refentrytitle>
-                <manvolnum>8</manvolnum>
-        </refmeta>
-
-        <refnamediv>
-                <refname>systemd-halt.service</refname>
-                <refname>systemd-poweroff.service</refname>
-                <refname>systemd-reboot.service</refname>
-                <refname>systemd-kexec.service</refname>
-                <refname>systemd-shutdown</refname>
-                <refpurpose>System shutdown logic</refpurpose>
-        </refnamediv>
-
-        <refsynopsisdiv>
-                <para><filename>systemd-halt.service</filename></para>
-                <para><filename>systemd-poweroff.service</filename></para>
-                <para><filename>systemd-reboot.service</filename></para>
-                <para><filename>systemd-kexec.service</filename></para>
-                <para><filename>/usr/lib/systemd/systemd-shutdown</filename></para>
-        </refsynopsisdiv>
-
-        <refsect1>
-                <title>Description</title>
-
-                <para><filename>systemd-halt.service</filename> is a
-                system service that is pulled in by
-                <filename>halt.target</filename> and is responsible
-                for the actual system halt. Similar,
-                <filename>systemd-poweroff.service</filename> is
-                pulled in by <filename>poweroff.target</filename>,
-                <filename>systemd-reboot.service</filename> by
-                <filename>reboot.target</filename> and
-                <filename>systemd-kexec.service</filename> by
-                <filename>kexec.target</filename> to execute the
-                respective actions.</para>
-
-                <para>When these services are run they ensure that PID
-                1 is replaced by the
-                <filename>/usr/lib/systemd/system-shutdown</filename>
-                tool which is then responsible for the actual
-                shutdown. Before shutting down this binary will try to
-                unmount all remaining file systems, disable all
-                remaining swap devices, detach all remaining storage
-                devices and kill all remaining processes.</para>
-
-                <para>Immediately before executing the actual system
-                halt/poweroff/reboot/kexec
-                <filename>system-shutdown</filename> will run all
-                executables in
-                <filename>/usr/lib/systemd/system-shutdown/</filename>
-                and pass one arguments to them: either
-                "<literal>halt</literal>",
-                "<literal>poweroff</literal>",
-                "<literal>reboot</literal>" or
-                "<literal>kexec</literal>", depending on the chosen
-                action. All executables in this directory are executed
-                in parallel, and execution of the action is not
-                continued before all executables finished.</para>
-
-                <para>Note that
-                <filename>systemd-halt.service</filename> (and the
-                related units) should never be executed
-                directly. Instead, trigger system shutdown with a
-                command such as "<literal>systemctl halt</literal>" or
-                suchlike.</para>
-        </refsect1>
-
-        <refsect1>
-                <title>See Also</title>
-                <para>
-                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>reboot</refentrytitle><manvolnum>2</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
-                </para>
-        </refsect1>
+  <refentryinfo>
+    <title>systemd-halt.service</title>
+    <productname>systemd</productname>
+
+    <authorgroup>
+      <author>
+        <contrib>Developer</contrib>
+        <firstname>Lennart</firstname>
+        <surname>Poettering</surname>
+        <email>lennart@poettering.net</email>
+      </author>
+    </authorgroup>
+  </refentryinfo>
+
+  <refmeta>
+    <refentrytitle>systemd-halt.service</refentrytitle>
+    <manvolnum>8</manvolnum>
+  </refmeta>
+
+  <refnamediv>
+    <refname>systemd-halt.service</refname>
+    <refname>systemd-poweroff.service</refname>
+    <refname>systemd-reboot.service</refname>
+    <refname>systemd-kexec.service</refname>
+    <refname>systemd-shutdown</refname>
+    <refpurpose>System shutdown logic</refpurpose>
+  </refnamediv>
+
+  <refsynopsisdiv>
+    <para><filename>systemd-halt.service</filename></para>
+    <para><filename>systemd-poweroff.service</filename></para>
+    <para><filename>systemd-reboot.service</filename></para>
+    <para><filename>systemd-kexec.service</filename></para>
+    <para><filename>/usr/lib/systemd/systemd-shutdown</filename></para>
+  </refsynopsisdiv>
+
+  <refsect1>
+    <title>Description</title>
+
+    <para><filename>systemd-halt.service</filename> is a system
+    service that is pulled in by <filename>halt.target</filename> and
+    is responsible for the actual system halt. Similarly,
+    <filename>systemd-poweroff.service</filename> is pulled in by
+    <filename>poweroff.target</filename>,
+    <filename>systemd-reboot.service</filename> by
+    <filename>reboot.target</filename> and
+    <filename>systemd-kexec.service</filename> by
+    <filename>kexec.target</filename> to execute the respective
+    actions.</para>
+
+    <para>When these services are run, they ensure that PID 1 is
+    replaced by the
+    <filename>/usr/lib/systemd/systemd-shutdown</filename> tool which
+    is then responsible for the actual shutdown. Before shutting down,
+    this binary will try to unmount all remaining file systems,
+    disable all remaining swap devices, detach all remaining storage
+    devices and kill all remaining processes.</para>
+
+    <para>It is necessary to have this code in a separate binary
+    because otherwise rebooting after an upgrade might be broken — the
+    running PID 1 could still depend on libraries which are not
+    available any more, thus keeping the file system busy, which then
+    cannot be re-mounted read-only.</para>
+
+    <para>Immediately before executing the actual system
+    halt/poweroff/reboot/kexec <filename>systemd-shutdown</filename>
+    will run all executables in
+    <filename>/usr/lib/systemd/system-shutdown/</filename> and pass
+    one arguments to them: either <literal>halt</literal>,
+    <literal>poweroff</literal>, <literal>reboot</literal> or
+    <literal>kexec</literal>, depending on the chosen action. All
+    executables in this directory are executed in parallel, and
+    execution of the action is not continued before all executables
+    finished.</para>
+
+    <para>Note that <filename>systemd-halt.service</filename> (and the
+    related units) should never be executed directly. Instead, trigger
+    system shutdown with a command such as <literal>systemctl
+    halt</literal> or suchlike.</para>
+  </refsect1>
+
+  <refsect1>
+    <title>See Also</title>
+    <para>
+      <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>reboot</refentrytitle><manvolnum>2</manvolnum></citerefentry>,
+      <citerefentry><refentrytitle>systemd-suspend.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+    </para>
+  </refsect1>
 
 </refentry>