From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Sat, 18 Nov 2017 16:22:32 +0000 (+0100)
Subject: Add SPDX license identifiers to man pages
X-Git-Tag: v236~183^2~7
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=572eb058cfecdd3b97f4fe8ffddf5bff8e21e4cf;p=thirdparty%2Fsystemd.git

Add SPDX license identifiers to man pages
---

diff --git a/man/binfmt.d.xml b/man/binfmt.d.xml
index 5b63cfb4c3d..5f55cb4db2c 100644
--- a/man/binfmt.d.xml
+++ b/man/binfmt.d.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/bootctl.xml b/man/bootctl.xml
index 675e0174e97..b3b63fa2555 100644
--- a/man/bootctl.xml
+++ b/man/bootctl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   systemd is free software; you can redistribute it and/or modify it
diff --git a/man/bootup.xml b/man/bootup.xml
index b92c60f43a1..56f4f570977 100644
--- a/man/bootup.xml
+++ b/man/bootup.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/busctl.xml b/man/busctl.xml
index 28b36f09d01..2446a8caa44 100644
--- a/man/busctl.xml
+++ b/man/busctl.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/coredump.conf.xml b/man/coredump.conf.xml
index 5f61e05f407..097296059fa 100644
--- a/man/coredump.conf.xml
+++ b/man/coredump.conf.xml
@@ -3,6 +3,8 @@
         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/coredumpctl.xml b/man/coredumpctl.xml
index 5bbd5222afa..73f4b87dacd 100644
--- a/man/coredumpctl.xml
+++ b/man/coredumpctl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Zbigniew Jędrzejewski-Szmek
diff --git a/man/crypttab.xml b/man/crypttab.xml
index 3aebd7ea902..474d3d83e01 100644
--- a/man/crypttab.xml
+++ b/man/crypttab.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/custom-html.xsl b/man/custom-html.xsl
index e89d73e7f1d..47ce6abfee0 100644
--- a/man/custom-html.xsl
+++ b/man/custom-html.xsl
@@ -1,6 +1,8 @@
 <?xml version='1.0'?> <!--*-nxml-*-->
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/custom-man.xsl b/man/custom-man.xsl
index e1b8d3618ac..3307fd3c0d9 100644
--- a/man/custom-man.xsl
+++ b/man/custom-man.xsl
@@ -1,6 +1,8 @@
 <?xml version='1.0'?> <!--*-nxml-*-->
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/daemon.xml b/man/daemon.xml
index 485c66225eb..5b782c88a5a 100644
--- a/man/daemon.xml
+++ b/man/daemon.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/dnssec-trust-anchors.d.xml b/man/dnssec-trust-anchors.d.xml
index 6e90e6aef91..d6e488065bb 100644
--- a/man/dnssec-trust-anchors.d.xml
+++ b/man/dnssec-trust-anchors.d.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/environment.d.xml b/man/environment.d.xml
index ad9db1666f4..c050061abc0 100644
--- a/man/environment.d.xml
+++ b/man/environment.d.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Red Hat, Inc.
diff --git a/man/file-hierarchy.xml b/man/file-hierarchy.xml
index ab52ccfe0c5..b1442dd82ce 100644
--- a/man/file-hierarchy.xml
+++ b/man/file-hierarchy.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/glib-event-glue.c b/man/glib-event-glue.c
index 8f3168d0ea3..32d8e921b88 100644
--- a/man/glib-event-glue.c
+++ b/man/glib-event-glue.c
@@ -1,4 +1,6 @@
 /***
+  SPDX-License-Identifier: MIT
+
   Copyright 2014 Tom Gundersen
 
   Permission is hereby granted, free of charge, to any person
diff --git a/man/halt.xml b/man/halt.xml
index e3fa60a915b..3ba151f9272 100644
--- a/man/halt.xml
+++ b/man/halt.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/hostname.xml b/man/hostname.xml
index 8a4c0d5ac0c..7b0fd292376 100644
--- a/man/hostname.xml
+++ b/man/hostname.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/hostnamectl.xml b/man/hostnamectl.xml
index 81bce2da6ae..fa70d5cc6c9 100644
--- a/man/hostnamectl.xml
+++ b/man/hostnamectl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/journal-remote.conf.xml b/man/journal-remote.conf.xml
index f7ac8c46e06..ed49c39f35f 100644
--- a/man/journal-remote.conf.xml
+++ b/man/journal-remote.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Chris Morgan
diff --git a/man/journal-upload.conf.xml b/man/journal-upload.conf.xml
index e3be62dfd13..bbb6df503b5 100644
--- a/man/journal-upload.conf.xml
+++ b/man/journal-upload.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Zbigniew Jędrzejewski-Szmek
diff --git a/man/journalctl.xml b/man/journalctl.xml
index c80e0ed1c20..089fb1378f4 100644
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -3,6 +3,8 @@
         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/journald.conf.xml b/man/journald.conf.xml
index fa3694d3b43..844228e3242 100644
--- a/man/journald.conf.xml
+++ b/man/journald.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/kernel-command-line.xml b/man/kernel-command-line.xml
index 4ab76487dfb..1864895ee2d 100644
--- a/man/kernel-command-line.xml
+++ b/man/kernel-command-line.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/kernel-install.xml b/man/kernel-install.xml
index 94b6b1110d6..fa86a3aaa00 100644
--- a/man/kernel-install.xml
+++ b/man/kernel-install.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Harald Hoyer
diff --git a/man/libudev.xml b/man/libudev.xml
index 53b68dcc89b..e92db55759c 100644
--- a/man/libudev.xml
+++ b/man/libudev.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/locale.conf.xml b/man/locale.conf.xml
index 1405dda3fd8..cd349acdcd2 100644
--- a/man/locale.conf.xml
+++ b/man/locale.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/localectl.xml b/man/localectl.xml
index 7da12c29de5..85885410419 100644
--- a/man/localectl.xml
+++ b/man/localectl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/localtime.xml b/man/localtime.xml
index 2827da6e93f..0341c61614a 100644
--- a/man/localtime.xml
+++ b/man/localtime.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/loginctl.xml b/man/loginctl.xml
index 617852dfa79..65c5227ed36 100644
--- a/man/loginctl.xml
+++ b/man/loginctl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/logind.conf.xml b/man/logind.conf.xml
index 16f51af72c4..8d2bfc5d5bf 100644
--- a/man/logind.conf.xml
+++ b/man/logind.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/machine-id.xml b/man/machine-id.xml
index e434c89de90..3d82a3edaf0 100644
--- a/man/machine-id.xml
+++ b/man/machine-id.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/machine-info.xml b/man/machine-info.xml
index cd5997d4e2c..b9f4fa821ed 100644
--- a/man/machine-info.xml
+++ b/man/machine-info.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/machinectl.xml b/man/machinectl.xml
index 8c71880cf2b..73fc5a68f6d 100644
--- a/man/machinectl.xml
+++ b/man/machinectl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/modules-load.d.xml b/man/modules-load.d.xml
index 4b722aa1285..0dd0c3c1618 100644
--- a/man/modules-load.d.xml
+++ b/man/modules-load.d.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/networkctl.xml b/man/networkctl.xml
index d4fa5e90294..33e0629d803 100644
--- a/man/networkctl.xml
+++ b/man/networkctl.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Zbigniew Jędrzejewski-Szmek
diff --git a/man/networkd.conf.xml b/man/networkd.conf.xml
index 57e647a31b8..8a160581619 100644
--- a/man/networkd.conf.xml
+++ b/man/networkd.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Vinay Kulkarni
diff --git a/man/nss-myhostname.xml b/man/nss-myhostname.xml
index 2b180a37cbd..bf3ea405a10 100644
--- a/man/nss-myhostname.xml
+++ b/man/nss-myhostname.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/nss-mymachines.xml b/man/nss-mymachines.xml
index 00bcc53ec04..dc3076ab0da 100644
--- a/man/nss-mymachines.xml
+++ b/man/nss-mymachines.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/nss-resolve.xml b/man/nss-resolve.xml
index f88c25c4538..edd4e9d32eb 100644
--- a/man/nss-resolve.xml
+++ b/man/nss-resolve.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/nss-systemd.xml b/man/nss-systemd.xml
index 34811f0a2e6..0114a6f9369 100644
--- a/man/nss-systemd.xml
+++ b/man/nss-systemd.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/os-release.xml b/man/os-release.xml
index 99bbb61004f..b0468c16a09 100644
--- a/man/os-release.xml
+++ b/man/os-release.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/pam_systemd.xml b/man/pam_systemd.xml
index cef5445c1ce..f45631688c9 100644
--- a/man/pam_systemd.xml
+++ b/man/pam_systemd.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/resolved.conf.xml b/man/resolved.conf.xml
index 1846df7502a..451b9cdd017 100644
--- a/man/resolved.conf.xml
+++ b/man/resolved.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Tom Gundersen
diff --git a/man/runlevel.xml b/man/runlevel.xml
index 50fdacde00d..b3d90d8ff4c 100644
--- a/man/runlevel.xml
+++ b/man/runlevel.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd-bus-errors.xml b/man/sd-bus-errors.xml
index 055af7a6822..a655ab1d971 100644
--- a/man/sd-bus-errors.xml
+++ b/man/sd-bus-errors.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd-bus.xml b/man/sd-bus.xml
index 6439395549f..48d62d466fd 100644
--- a/man/sd-bus.xml
+++ b/man/sd-bus.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd-daemon.xml b/man/sd-daemon.xml
index b06d99f3462..151d89e698b 100644
--- a/man/sd-daemon.xml
+++ b/man/sd-daemon.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd-event.xml b/man/sd-event.xml
index 24a69bb645a..25180505708 100644
--- a/man/sd-event.xml
+++ b/man/sd-event.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd-id128.xml b/man/sd-id128.xml
index bc74e3f4810..bd272379785 100644
--- a/man/sd-id128.xml
+++ b/man/sd-id128.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd-journal.xml b/man/sd-journal.xml
index 0f4b3e8eeaa..52f99c7f4c3 100644
--- a/man/sd-journal.xml
+++ b/man/sd-journal.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd-login.xml b/man/sd-login.xml
index b2131a9af93..148dd19cea7 100644
--- a/man/sd-login.xml
+++ b/man/sd-login.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_booted.xml b/man/sd_booted.xml
index 4dd674b8ead..54a9de894b8 100644
--- a/man/sd_booted.xml
+++ b/man/sd_booted.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_bus_add_match.xml b/man/sd_bus_add_match.xml
index 2014141ae34..4772c738ac0 100644
--- a/man/sd_bus_add_match.xml
+++ b/man/sd_bus_add_match.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Julian Orth
diff --git a/man/sd_bus_creds_get_pid.xml b/man/sd_bus_creds_get_pid.xml
index 56e62863f26..6bc78edf078 100644
--- a/man/sd_bus_creds_get_pid.xml
+++ b/man/sd_bus_creds_get_pid.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_creds_new_from_pid.xml b/man/sd_bus_creds_new_from_pid.xml
index b4d7d61d0fa..5cdff073eab 100644
--- a/man/sd_bus_creds_new_from_pid.xml
+++ b/man/sd_bus_creds_new_from_pid.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_default.xml b/man/sd_bus_default.xml
index d9102a36ce1..62520ff4dd9 100644
--- a/man/sd_bus_default.xml
+++ b/man/sd_bus_default.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_error.xml b/man/sd_bus_error.xml
index 4970ce3c088..ef40178f1f3 100644
--- a/man/sd_bus_error.xml
+++ b/man/sd_bus_error.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_error_add_map.xml b/man/sd_bus_error_add_map.xml
index a1eda21ed54..b79381fefdb 100644
--- a/man/sd_bus_error_add_map.xml
+++ b/man/sd_bus_error_add_map.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_bus_get_fd.xml b/man/sd_bus_get_fd.xml
index 9f7019069f5..2e867b0bf7f 100644
--- a/man/sd_bus_get_fd.xml
+++ b/man/sd_bus_get_fd.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Julian Orth
diff --git a/man/sd_bus_message_append.xml b/man/sd_bus_message_append.xml
index 2c28ee71543..3fba2120140 100644
--- a/man/sd_bus_message_append.xml
+++ b/man/sd_bus_message_append.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_message_append_array.xml b/man/sd_bus_message_append_array.xml
index 27db2a96c3b..2b9f3d18322 100644
--- a/man/sd_bus_message_append_array.xml
+++ b/man/sd_bus_message_append_array.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_message_append_basic.xml b/man/sd_bus_message_append_basic.xml
index 276953af697..bec126836e8 100644
--- a/man/sd_bus_message_append_basic.xml
+++ b/man/sd_bus_message_append_basic.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_message_append_string_memfd.xml b/man/sd_bus_message_append_string_memfd.xml
index 9e99999bf3f..470c62d4e11 100644
--- a/man/sd_bus_message_append_string_memfd.xml
+++ b/man/sd_bus_message_append_string_memfd.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_message_append_strv.xml b/man/sd_bus_message_append_strv.xml
index 0f77adcc8b2..21feafd501e 100644
--- a/man/sd_bus_message_append_strv.xml
+++ b/man/sd_bus_message_append_strv.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_message_get_cookie.xml b/man/sd_bus_message_get_cookie.xml
index 3328eead3df..d87d361501c 100644
--- a/man/sd_bus_message_get_cookie.xml
+++ b/man/sd_bus_message_get_cookie.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/sd_bus_message_get_monotonic_usec.xml b/man/sd_bus_message_get_monotonic_usec.xml
index 2c0a8a5d54c..9d619e5f680 100644
--- a/man/sd_bus_message_get_monotonic_usec.xml
+++ b/man/sd_bus_message_get_monotonic_usec.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/sd_bus_message_read_basic.xml b/man/sd_bus_message_read_basic.xml
index 6a464031593..eb1750b2db9 100644
--- a/man/sd_bus_message_read_basic.xml
+++ b/man/sd_bus_message_read_basic.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Julian Orth
diff --git a/man/sd_bus_negotiate_fds.xml b/man/sd_bus_negotiate_fds.xml
index e91269ba311..5841c2dad63 100644
--- a/man/sd_bus_negotiate_fds.xml
+++ b/man/sd_bus_negotiate_fds.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/sd_bus_new.xml b/man/sd_bus_new.xml
index d281b5dd44d..57e9f4a9cfc 100644
--- a/man/sd_bus_new.xml
+++ b/man/sd_bus_new.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_path_encode.xml b/man/sd_bus_path_encode.xml
index 986eccc6a8a..1c898b4fab1 100644
--- a/man/sd_bus_path_encode.xml
+++ b/man/sd_bus_path_encode.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_bus_process.xml b/man/sd_bus_process.xml
index 4b9f52e52fc..d9731f332ca 100644
--- a/man/sd_bus_process.xml
+++ b/man/sd_bus_process.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Julian Orth
diff --git a/man/sd_bus_request_name.xml b/man/sd_bus_request_name.xml
index f07ae095559..f44cfdb1ac1 100644
--- a/man/sd_bus_request_name.xml
+++ b/man/sd_bus_request_name.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/sd_bus_track_add_name.xml b/man/sd_bus_track_add_name.xml
index 6a5e344cb1f..19d0115bc96 100644
--- a/man/sd_bus_track_add_name.xml
+++ b/man/sd_bus_track_add_name.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/sd_bus_track_new.xml b/man/sd_bus_track_new.xml
index 60e2e77f758..4f92a5513db 100644
--- a/man/sd_bus_track_new.xml
+++ b/man/sd_bus_track_new.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/sd_event_add_child.xml b/man/sd_event_add_child.xml
index bc732db7fa4..15ea5de3273 100644
--- a/man/sd_event_add_child.xml
+++ b/man/sd_event_add_child.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_event_add_defer.xml b/man/sd_event_add_defer.xml
index ab28b330fe3..9064e633657 100644
--- a/man/sd_event_add_defer.xml
+++ b/man/sd_event_add_defer.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_event_add_io.xml b/man/sd_event_add_io.xml
index c3749164cdf..d7b26f78870 100644
--- a/man/sd_event_add_io.xml
+++ b/man/sd_event_add_io.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_add_signal.xml b/man/sd_event_add_signal.xml
index e98f1d26821..192ba95ffa2 100644
--- a/man/sd_event_add_signal.xml
+++ b/man/sd_event_add_signal.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_event_add_time.xml b/man/sd_event_add_time.xml
index 5496b71529c..56abac18cd3 100644
--- a/man/sd_event_add_time.xml
+++ b/man/sd_event_add_time.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/sd_event_exit.xml b/man/sd_event_exit.xml
index 9846a3eaf4a..a798a1c4829 100644
--- a/man/sd_event_exit.xml
+++ b/man/sd_event_exit.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_get_fd.xml b/man/sd_event_get_fd.xml
index f68752dd0e8..ed648c23470 100644
--- a/man/sd_event_get_fd.xml
+++ b/man/sd_event_get_fd.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_event_new.xml b/man/sd_event_new.xml
index c0a5e981779..35f91cd3034 100644
--- a/man/sd_event_new.xml
+++ b/man/sd_event_new.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/sd_event_now.xml b/man/sd_event_now.xml
index 2c83b0bcb5a..a17e208934e 100644
--- a/man/sd_event_now.xml
+++ b/man/sd_event_now.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_run.xml b/man/sd_event_run.xml
index 5b68959165d..fb2687f3a4d 100644
--- a/man/sd_event_run.xml
+++ b/man/sd_event_run.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_event_set_watchdog.xml b/man/sd_event_set_watchdog.xml
index cbc5bc0836b..ee28caf235e 100644
--- a/man/sd_event_set_watchdog.xml
+++ b/man/sd_event_set_watchdog.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_get_event.xml b/man/sd_event_source_get_event.xml
index 2fdbd411bd8..219956dcee1 100644
--- a/man/sd_event_source_get_event.xml
+++ b/man/sd_event_source_get_event.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_get_pending.xml b/man/sd_event_source_get_pending.xml
index 7f88bd1b87b..dff6952a5ae 100644
--- a/man/sd_event_source_get_pending.xml
+++ b/man/sd_event_source_get_pending.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_set_description.xml b/man/sd_event_source_set_description.xml
index b9488a622fe..ad855e6f898 100644
--- a/man/sd_event_source_set_description.xml
+++ b/man/sd_event_source_set_description.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_event_source_set_enabled.xml b/man/sd_event_source_set_enabled.xml
index 6844f29a495..0628c3e8e90 100644
--- a/man/sd_event_source_set_enabled.xml
+++ b/man/sd_event_source_set_enabled.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_set_prepare.xml b/man/sd_event_source_set_prepare.xml
index ee61d239836..148cab16b17 100644
--- a/man/sd_event_source_set_prepare.xml
+++ b/man/sd_event_source_set_prepare.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_set_priority.xml b/man/sd_event_source_set_priority.xml
index b6bab6d3168..43edd76a7ee 100644
--- a/man/sd_event_source_set_priority.xml
+++ b/man/sd_event_source_set_priority.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_set_userdata.xml b/man/sd_event_source_set_userdata.xml
index 533d491b139..cb317ad1d77 100644
--- a/man/sd_event_source_set_userdata.xml
+++ b/man/sd_event_source_set_userdata.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_source_unref.xml b/man/sd_event_source_unref.xml
index 2c4d4507637..ec9e7c01fc1 100644
--- a/man/sd_event_source_unref.xml
+++ b/man/sd_event_source_unref.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/sd_event_wait.xml b/man/sd_event_wait.xml
index 26327dc6881..89de31d22fe 100644
--- a/man/sd_event_wait.xml
+++ b/man/sd_event_wait.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Zbigniew Jędrzejewski-Szmek
diff --git a/man/sd_get_seats.xml b/man/sd_get_seats.xml
index c053144483b..b4b133ff0fb 100644
--- a/man/sd_get_seats.xml
+++ b/man/sd_get_seats.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_id128_get_machine.xml b/man/sd_id128_get_machine.xml
index 3938c6d836c..a97beebbd5b 100644
--- a/man/sd_id128_get_machine.xml
+++ b/man/sd_id128_get_machine.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_id128_randomize.xml b/man/sd_id128_randomize.xml
index 852a9fd7ebb..bdce3b18b73 100644
--- a/man/sd_id128_randomize.xml
+++ b/man/sd_id128_randomize.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_id128_to_string.xml b/man/sd_id128_to_string.xml
index 927d1ad5f2c..b82b141a3aa 100644
--- a/man/sd_id128_to_string.xml
+++ b/man/sd_id128_to_string.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_is_fifo.xml b/man/sd_is_fifo.xml
index 3bd388d80e7..2af17df650c 100644
--- a/man/sd_is_fifo.xml
+++ b/man/sd_is_fifo.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_journal_add_match.xml b/man/sd_journal_add_match.xml
index 2294b436437..b41d6189d95 100644
--- a/man/sd_journal_add_match.xml
+++ b/man/sd_journal_add_match.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_enumerate_fields.xml b/man/sd_journal_enumerate_fields.xml
index bc2c21ed4b0..20005564b04 100644
--- a/man/sd_journal_enumerate_fields.xml
+++ b/man/sd_journal_enumerate_fields.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/sd_journal_get_catalog.xml b/man/sd_journal_get_catalog.xml
index 92ed0dea069..95f3e3b0073 100644
--- a/man/sd_journal_get_catalog.xml
+++ b/man/sd_journal_get_catalog.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_get_cursor.xml b/man/sd_journal_get_cursor.xml
index b7aa05f8b2b..ead150ec53e 100644
--- a/man/sd_journal_get_cursor.xml
+++ b/man/sd_journal_get_cursor.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_get_cutoff_realtime_usec.xml b/man/sd_journal_get_cutoff_realtime_usec.xml
index 0950e11b445..8fd96741111 100644
--- a/man/sd_journal_get_cutoff_realtime_usec.xml
+++ b/man/sd_journal_get_cutoff_realtime_usec.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_get_data.xml b/man/sd_journal_get_data.xml
index 01e436e70d8..831ed0bc6e9 100644
--- a/man/sd_journal_get_data.xml
+++ b/man/sd_journal_get_data.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_get_fd.xml b/man/sd_journal_get_fd.xml
index 2e686caccbc..b162b2bf114 100644
--- a/man/sd_journal_get_fd.xml
+++ b/man/sd_journal_get_fd.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_get_realtime_usec.xml b/man/sd_journal_get_realtime_usec.xml
index 607d74666be..49800c34a3f 100644
--- a/man/sd_journal_get_realtime_usec.xml
+++ b/man/sd_journal_get_realtime_usec.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_get_usage.xml b/man/sd_journal_get_usage.xml
index 06b0ff534d9..63d073e1193 100644
--- a/man/sd_journal_get_usage.xml
+++ b/man/sd_journal_get_usage.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_has_runtime_files.xml b/man/sd_journal_has_runtime_files.xml
index 3f6d56ca774..74311904966 100644
--- a/man/sd_journal_has_runtime_files.xml
+++ b/man/sd_journal_has_runtime_files.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Jan Synáček
diff --git a/man/sd_journal_next.xml b/man/sd_journal_next.xml
index 7c385de2600..18b0da048dd 100644
--- a/man/sd_journal_next.xml
+++ b/man/sd_journal_next.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_open.xml b/man/sd_journal_open.xml
index 25b3048f2ed..5e7ae45688e 100644
--- a/man/sd_journal_open.xml
+++ b/man/sd_journal_open.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_print.xml b/man/sd_journal_print.xml
index a741abe32df..f771ba307f1 100644
--- a/man/sd_journal_print.xml
+++ b/man/sd_journal_print.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_query_unique.xml b/man/sd_journal_query_unique.xml
index d7a41a039c2..fb08400f20f 100644
--- a/man/sd_journal_query_unique.xml
+++ b/man/sd_journal_query_unique.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_seek_head.xml b/man/sd_journal_seek_head.xml
index 985073496cb..7e866e8e828 100644
--- a/man/sd_journal_seek_head.xml
+++ b/man/sd_journal_seek_head.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_journal_stream_fd.xml b/man/sd_journal_stream_fd.xml
index db88eba1bc7..29d64f91d7a 100644
--- a/man/sd_journal_stream_fd.xml
+++ b/man/sd_journal_stream_fd.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/sd_listen_fds.xml b/man/sd_listen_fds.xml
index c1c2423884d..8563a06997e 100644
--- a/man/sd_listen_fds.xml
+++ b/man/sd_listen_fds.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_login_monitor_new.xml b/man/sd_login_monitor_new.xml
index 129c99f97d9..935fca56974 100644
--- a/man/sd_login_monitor_new.xml
+++ b/man/sd_login_monitor_new.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_machine_get_class.xml b/man/sd_machine_get_class.xml
index ef604139da6..989fa2db0fc 100644
--- a/man/sd_machine_get_class.xml
+++ b/man/sd_machine_get_class.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/sd_notify.xml b/man/sd_notify.xml
index 7d7b0077bec..078f1ff7e05 100644
--- a/man/sd_notify.xml
+++ b/man/sd_notify.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_pid_get_owner_uid.xml b/man/sd_pid_get_owner_uid.xml
index 5a2a07d0964..fcedcfcd1fe 100644
--- a/man/sd_pid_get_owner_uid.xml
+++ b/man/sd_pid_get_owner_uid.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_seat_get_active.xml b/man/sd_seat_get_active.xml
index 3dd461f83fa..57a6b526f21 100644
--- a/man/sd_seat_get_active.xml
+++ b/man/sd_seat_get_active.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_session_is_active.xml b/man/sd_session_is_active.xml
index f95e74ead63..14993bcd67e 100644
--- a/man/sd_session_is_active.xml
+++ b/man/sd_session_is_active.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_uid_get_state.xml b/man/sd_uid_get_state.xml
index 130af761da0..1183d9079ad 100644
--- a/man/sd_uid_get_state.xml
+++ b/man/sd_uid_get_state.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sd_watchdog_enabled.xml b/man/sd_watchdog_enabled.xml
index 759d9303c64..e85998c2165 100644
--- a/man/sd_watchdog_enabled.xml
+++ b/man/sd_watchdog_enabled.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/shutdown.xml b/man/shutdown.xml
index a8af387c676..41fe71f4da4 100644
--- a/man/shutdown.xml
+++ b/man/shutdown.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sysctl.d.xml b/man/sysctl.d.xml
index ccf6c8e39fb..ec69b4c5bbf 100644
--- a/man/sysctl.d.xml
+++ b/man/sysctl.d.xml
@@ -1,6 +1,8 @@
 <?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">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/systemctl.xml b/man/systemctl.xml
index f5df6065fa1..c13253c266c 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-analyze.xml b/man/systemd-analyze.xml
index e74739498ca..956790c50c0 100644
--- a/man/systemd-analyze.xml
+++ b/man/systemd-analyze.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-ask-password-console.service.xml b/man/systemd-ask-password-console.service.xml
index 3c1537d9424..db318de8c29 100644
--- a/man/systemd-ask-password-console.service.xml
+++ b/man/systemd-ask-password-console.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-ask-password.xml b/man/systemd-ask-password.xml
index 16ec257014e..686fa89468e 100644
--- a/man/systemd-ask-password.xml
+++ b/man/systemd-ask-password.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/systemd-backlight@.service.xml b/man/systemd-backlight@.service.xml
index 3459ed88512..e047884c502 100644
--- a/man/systemd-backlight@.service.xml
+++ b/man/systemd-backlight@.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/systemd-binfmt.service.xml b/man/systemd-binfmt.service.xml
index cccfb49ca94..0c33348ba8b 100644
--- a/man/systemd-binfmt.service.xml
+++ b/man/systemd-binfmt.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-cat.xml b/man/systemd-cat.xml
index 160db9fb5c4..2c394f2cebf 100644
--- a/man/systemd-cat.xml
+++ b/man/systemd-cat.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-cgls.xml b/man/systemd-cgls.xml
index 219514b1835..128324e616c 100644
--- a/man/systemd-cgls.xml
+++ b/man/systemd-cgls.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-cgtop.xml b/man/systemd-cgtop.xml
index be13631239d..d7ad08ec373 100644
--- a/man/systemd-cgtop.xml
+++ b/man/systemd-cgtop.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-coredump.xml b/man/systemd-coredump.xml
index d71fdc644ff..1341866463a 100644
--- a/man/systemd-coredump.xml
+++ b/man/systemd-coredump.xml
@@ -3,6 +3,8 @@
         "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-cryptsetup-generator.xml b/man/systemd-cryptsetup-generator.xml
index f036ab97446..645e2ee1789 100644
--- a/man/systemd-cryptsetup-generator.xml
+++ b/man/systemd-cryptsetup-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-cryptsetup@.service.xml b/man/systemd-cryptsetup@.service.xml
index 73bd5b78ab2..efcbf247f41 100644
--- a/man/systemd-cryptsetup@.service.xml
+++ b/man/systemd-cryptsetup@.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-debug-generator.xml b/man/systemd-debug-generator.xml
index 0a66b9bbf92..e8656a36abf 100644
--- a/man/systemd-debug-generator.xml
+++ b/man/systemd-debug-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/systemd-delta.xml b/man/systemd-delta.xml
index be241f6950f..94f6b093db8 100644
--- a/man/systemd-delta.xml
+++ b/man/systemd-delta.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-detect-virt.xml b/man/systemd-detect-virt.xml
index 72ea35892ff..4426827e571 100644
--- a/man/systemd-detect-virt.xml
+++ b/man/systemd-detect-virt.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-environment-d-generator.xml b/man/systemd-environment-d-generator.xml
index 7950aa98a5c..7bc1dd0ef16 100644
--- a/man/systemd-environment-d-generator.xml
+++ b/man/systemd-environment-d-generator.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2017 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-escape.xml b/man/systemd-escape.xml
index a2f2b9242f0..513e9a6a97e 100644
--- a/man/systemd-escape.xml
+++ b/man/systemd-escape.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/systemd-firstboot.xml b/man/systemd-firstboot.xml
index fee37ad19c3..0ac5f3bd85d 100644
--- a/man/systemd-firstboot.xml
+++ b/man/systemd-firstboot.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/systemd-fsck@.service.xml b/man/systemd-fsck@.service.xml
index 711e269016e..f4d2dc1341a 100644
--- a/man/systemd-fsck@.service.xml
+++ b/man/systemd-fsck@.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-fstab-generator.xml b/man/systemd-fstab-generator.xml
index b898d719f22..51e390a3649 100644
--- a/man/systemd-fstab-generator.xml
+++ b/man/systemd-fstab-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-getty-generator.xml b/man/systemd-getty-generator.xml
index 3058444467c..adb48a7fd66 100644
--- a/man/systemd-getty-generator.xml
+++ b/man/systemd-getty-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-gpt-auto-generator.xml b/man/systemd-gpt-auto-generator.xml
index 2927fcd2913..3fbe215c41d 100644
--- a/man/systemd-gpt-auto-generator.xml
+++ b/man/systemd-gpt-auto-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/systemd-halt.service.xml b/man/systemd-halt.service.xml
index d16e5d628fa..b58279d8287 100644
--- a/man/systemd-halt.service.xml
+++ b/man/systemd-halt.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-hibernate-resume-generator.xml b/man/systemd-hibernate-resume-generator.xml
index 3bbb6ab9894..188bdb6e57c 100644
--- a/man/systemd-hibernate-resume-generator.xml
+++ b/man/systemd-hibernate-resume-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Ivan Shapovalov
diff --git a/man/systemd-hibernate-resume@.service.xml b/man/systemd-hibernate-resume@.service.xml
index a968adf0a9f..cbda08961ca 100644
--- a/man/systemd-hibernate-resume@.service.xml
+++ b/man/systemd-hibernate-resume@.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Ivan Shapovalov
diff --git a/man/systemd-hostnamed.service.xml b/man/systemd-hostnamed.service.xml
index 17755aa69e1..e905e461be8 100644
--- a/man/systemd-hostnamed.service.xml
+++ b/man/systemd-hostnamed.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-importd.service.xml b/man/systemd-importd.service.xml
index 70a618ce46e..9fd36bb3b3a 100644
--- a/man/systemd-importd.service.xml
+++ b/man/systemd-importd.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/systemd-inhibit.xml b/man/systemd-inhibit.xml
index 09b82b82c1b..ce34cc8c50d 100644
--- a/man/systemd-inhibit.xml
+++ b/man/systemd-inhibit.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-initctl.service.xml b/man/systemd-initctl.service.xml
index 5c7f9a4a163..64211e27f7f 100644
--- a/man/systemd-initctl.service.xml
+++ b/man/systemd-initctl.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-journal-gatewayd.service.xml b/man/systemd-journal-gatewayd.service.xml
index 3ee344e50bc..b82cc979e7e 100644
--- a/man/systemd-journal-gatewayd.service.xml
+++ b/man/systemd-journal-gatewayd.service.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-journal-remote.xml b/man/systemd-journal-remote.xml
index 1f1c3052672..ba88df535b0 100644
--- a/man/systemd-journal-remote.xml
+++ b/man/systemd-journal-remote.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-journal-upload.xml b/man/systemd-journal-upload.xml
index f9723dea89d..6fc477d75a1 100644
--- a/man/systemd-journal-upload.xml
+++ b/man/systemd-journal-upload.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-journald.service.xml b/man/systemd-journald.service.xml
index 7b33d3ff17a..8ca0e896abf 100644
--- a/man/systemd-journald.service.xml
+++ b/man/systemd-journald.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-localed.service.xml b/man/systemd-localed.service.xml
index 2a796c90452..308a848c08e 100644
--- a/man/systemd-localed.service.xml
+++ b/man/systemd-localed.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-logind.service.xml b/man/systemd-logind.service.xml
index 47089fd8c74..b51158b7cd8 100644
--- a/man/systemd-logind.service.xml
+++ b/man/systemd-logind.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-machine-id-commit.service.xml b/man/systemd-machine-id-commit.service.xml
index 39da1922cc3..acb4ffb6260 100644
--- a/man/systemd-machine-id-commit.service.xml
+++ b/man/systemd-machine-id-commit.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Didier Roche
diff --git a/man/systemd-machine-id-setup.xml b/man/systemd-machine-id-setup.xml
index 714317c9459..527cb7bff5d 100644
--- a/man/systemd-machine-id-setup.xml
+++ b/man/systemd-machine-id-setup.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-machined.service.xml b/man/systemd-machined.service.xml
index c4f173f79b7..8bf4e755506 100644
--- a/man/systemd-machined.service.xml
+++ b/man/systemd-machined.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-modules-load.service.xml b/man/systemd-modules-load.service.xml
index ee097d7f5c9..6f370190f28 100644
--- a/man/systemd-modules-load.service.xml
+++ b/man/systemd-modules-load.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-mount.xml b/man/systemd-mount.xml
index a27326d2460..87bc2b36eb4 100644
--- a/man/systemd-mount.xml
+++ b/man/systemd-mount.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/systemd-networkd-wait-online.service.xml b/man/systemd-networkd-wait-online.service.xml
index e21c805342b..96715cad2fd 100644
--- a/man/systemd-networkd-wait-online.service.xml
+++ b/man/systemd-networkd-wait-online.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Tom Gundersen
diff --git a/man/systemd-networkd.service.xml b/man/systemd-networkd.service.xml
index a6e079c8871..8bc5f5e869a 100644
--- a/man/systemd-networkd.service.xml
+++ b/man/systemd-networkd.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Tom Gundersen
diff --git a/man/systemd-notify.xml b/man/systemd-notify.xml
index 8c56a6b8ed4..acd4ee41fc5 100644
--- a/man/systemd-notify.xml
+++ b/man/systemd-notify.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index 1ef6567e48d..cd45ceb2a16 100644
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-path.xml b/man/systemd-path.xml
index e2b23eec510..7144569d59d 100644
--- a/man/systemd-path.xml
+++ b/man/systemd-path.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/systemd-quotacheck.service.xml b/man/systemd-quotacheck.service.xml
index 9d4976274ed..c3a5e69d40d 100644
--- a/man/systemd-quotacheck.service.xml
+++ b/man/systemd-quotacheck.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-random-seed.service.xml b/man/systemd-random-seed.service.xml
index 9ec01b6c349..658bdf3638e 100644
--- a/man/systemd-random-seed.service.xml
+++ b/man/systemd-random-seed.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-remount-fs.service.xml b/man/systemd-remount-fs.service.xml
index 6a5f0e6e38c..8e68b99fe5b 100644
--- a/man/systemd-remount-fs.service.xml
+++ b/man/systemd-remount-fs.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-resolve.xml b/man/systemd-resolve.xml
index 53f843ff938..835521aa743 100644
--- a/man/systemd-resolve.xml
+++ b/man/systemd-resolve.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/systemd-resolved.service.xml b/man/systemd-resolved.service.xml
index 2f947086f55..da6e8c44411 100644
--- a/man/systemd-resolved.service.xml
+++ b/man/systemd-resolved.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Tom Gundersen
diff --git a/man/systemd-rfkill.service.xml b/man/systemd-rfkill.service.xml
index f4648427004..cb6fae4c2d4 100644
--- a/man/systemd-rfkill.service.xml
+++ b/man/systemd-rfkill.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/systemd-run.xml b/man/systemd-run.xml
index 010c9c7197e..9db6a26dfde 100644
--- a/man/systemd-run.xml
+++ b/man/systemd-run.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-sleep.conf.xml b/man/systemd-sleep.conf.xml
index 9a379ecb94b..7fecd667de3 100644
--- a/man/systemd-sleep.conf.xml
+++ b/man/systemd-sleep.conf.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-socket-activate.xml b/man/systemd-socket-activate.xml
index 356bc103598..79e35dd30e9 100644
--- a/man/systemd-socket-activate.xml
+++ b/man/systemd-socket-activate.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-socket-proxyd.xml b/man/systemd-socket-proxyd.xml
index 737f05ee933..17053748265 100644
--- a/man/systemd-socket-proxyd.xml
+++ b/man/systemd-socket-proxyd.xml
@@ -3,6 +3,8 @@
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
      "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 David Strauss
diff --git a/man/systemd-suspend.service.xml b/man/systemd-suspend.service.xml
index 2aa172e9905..24c213eb747 100644
--- a/man/systemd-suspend.service.xml
+++ b/man/systemd-suspend.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-sysctl.service.xml b/man/systemd-sysctl.service.xml
index ee00e8d262f..3251bc6321f 100644
--- a/man/systemd-sysctl.service.xml
+++ b/man/systemd-sysctl.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-system-update-generator.xml b/man/systemd-system-update-generator.xml
index 833ed79646e..c57dc781db5 100644
--- a/man/systemd-system-update-generator.xml
+++ b/man/systemd-system-update-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml
index 81f1b1ef8d0..43715813ed3 100644
--- a/man/systemd-system.conf.xml
+++ b/man/systemd-system.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-sysusers.xml b/man/systemd-sysusers.xml
index 990b935cf21..73ba4e4a840 100644
--- a/man/systemd-sysusers.xml
+++ b/man/systemd-sysusers.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/systemd-sysv-generator.xml b/man/systemd-sysv-generator.xml
index 2353eb3efe2..3eceb51381a 100644
--- a/man/systemd-sysv-generator.xml
+++ b/man/systemd-sysv-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd-timedated.service.xml b/man/systemd-timedated.service.xml
index fee860204d7..2dfde3c1b81 100644
--- a/man/systemd-timedated.service.xml
+++ b/man/systemd-timedated.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-timesyncd.service.xml b/man/systemd-timesyncd.service.xml
index 7860c0d4e45..e9b5c257809 100644
--- a/man/systemd-timesyncd.service.xml
+++ b/man/systemd-timesyncd.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Kay Sievers
diff --git a/man/systemd-tmpfiles.xml b/man/systemd-tmpfiles.xml
index 2b8927cb1ef..4dd5b3da6c3 100644
--- a/man/systemd-tmpfiles.xml
+++ b/man/systemd-tmpfiles.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-tty-ask-password-agent.xml b/man/systemd-tty-ask-password-agent.xml
index 2c114f4631b..e934649ed9f 100644
--- a/man/systemd-tty-ask-password-agent.xml
+++ b/man/systemd-tty-ask-password-agent.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd-update-done.service.xml b/man/systemd-update-done.service.xml
index a2dad39f01e..b0dd56fdff5 100644
--- a/man/systemd-update-done.service.xml
+++ b/man/systemd-update-done.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/systemd-update-utmp.service.xml b/man/systemd-update-utmp.service.xml
index be7cec236cf..286c18ed4c9 100644
--- a/man/systemd-update-utmp.service.xml
+++ b/man/systemd-update-utmp.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-user-sessions.service.xml b/man/systemd-user-sessions.service.xml
index 67aba541193..c3eaffa2420 100644
--- a/man/systemd-user-sessions.service.xml
+++ b/man/systemd-user-sessions.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-vconsole-setup.service.xml b/man/systemd-vconsole-setup.service.xml
index b8eafcc02eb..3b72234b0f1 100644
--- a/man/systemd-vconsole-setup.service.xml
+++ b/man/systemd-vconsole-setup.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd-veritysetup-generator.xml b/man/systemd-veritysetup-generator.xml
index 87d66e9ee56..b6b5b3bc511 100644
--- a/man/systemd-veritysetup-generator.xml
+++ b/man/systemd-veritysetup-generator.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/systemd-veritysetup@.service.xml b/man/systemd-veritysetup@.service.xml
index 173e5358e02..55600e9ad51 100644
--- a/man/systemd-veritysetup@.service.xml
+++ b/man/systemd-veritysetup@.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/systemd-volatile-root.service.xml b/man/systemd-volatile-root.service.xml
index b90a3261fa5..ee7c8b37625 100644
--- a/man/systemd-volatile-root.service.xml
+++ b/man/systemd-volatile-root.service.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2016 Lennart Poettering
diff --git a/man/systemd.automount.xml b/man/systemd.automount.xml
index 49ea7e510c9..b0f5b193724 100644
--- a/man/systemd.automount.xml
+++ b/man/systemd.automount.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.device.xml b/man/systemd.device.xml
index e121e151bc6..a275a880e48 100644
--- a/man/systemd.device.xml
+++ b/man/systemd.device.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.environment-generator.xml b/man/systemd.environment-generator.xml
index ff8be928337..7d3551e3f69 100644
--- a/man/systemd.environment-generator.xml
+++ b/man/systemd.environment-generator.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2017 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml
index 0aa0552f067..af86379bfe9 100644
--- a/man/systemd.exec.xml
+++ b/man/systemd.exec.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.generator.xml b/man/systemd.generator.xml
index 1624e52c4d9..5227bc09767 100644
--- a/man/systemd.generator.xml
+++ b/man/systemd.generator.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd.journal-fields.xml b/man/systemd.journal-fields.xml
index cab356c5e7d..b08ef1777e4 100644
--- a/man/systemd.journal-fields.xml
+++ b/man/systemd.journal-fields.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.kill.xml b/man/systemd.kill.xml
index 13b7ab14dff..1abcd6d8e7d 100644
--- a/man/systemd.kill.xml
+++ b/man/systemd.kill.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/systemd.link.xml b/man/systemd.link.xml
index 99bb6a19fb0..162674f7698 100644
--- a/man/systemd.link.xml
+++ b/man/systemd.link.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Tom Gundersen
diff --git a/man/systemd.mount.xml b/man/systemd.mount.xml
index 94d657499e6..bfe52cda0f5 100644
--- a/man/systemd.mount.xml
+++ b/man/systemd.mount.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml
index 6f8991b81ce..32048054bc9 100644
--- a/man/systemd.netdev.xml
+++ b/man/systemd.netdev.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Tom Gundersen
diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index 2fb5886b799..43324b88983 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Tom Gundersen
diff --git a/man/systemd.nspawn.xml b/man/systemd.nspawn.xml
index 8a59fc78ff8..9a6a2351f89 100644
--- a/man/systemd.nspawn.xml
+++ b/man/systemd.nspawn.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 Lennart Poettering
diff --git a/man/systemd.offline-updates.xml b/man/systemd.offline-updates.xml
index 208003bb52a..01dd6c55e47 100644
--- a/man/systemd.offline-updates.xml
+++ b/man/systemd.offline-updates.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Lennart Poettering
diff --git a/man/systemd.path.xml b/man/systemd.path.xml
index 9e8f2c66c1d..30f295d2d73 100644
--- a/man/systemd.path.xml
+++ b/man/systemd.path.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.preset.xml b/man/systemd.preset.xml
index 92eb4e82803..482856221c0 100644
--- a/man/systemd.preset.xml
+++ b/man/systemd.preset.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2011 Lennart Poettering
diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index 72130672cbf..1ab13ea00b7 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd.scope.xml b/man/systemd.scope.xml
index e41493cdd37..092361c6b02 100644
--- a/man/systemd.scope.xml
+++ b/man/systemd.scope.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd.service.xml b/man/systemd.service.xml
index 43c6435dcba..fe83581b6e5 100644
--- a/man/systemd.service.xml
+++ b/man/systemd.service.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.slice.xml b/man/systemd.slice.xml
index 6906321e81e..d67cce102af 100644
--- a/man/systemd.slice.xml
+++ b/man/systemd.slice.xml
@@ -3,6 +3,8 @@
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2013 Zbigniew Jędrzejewski-Szmek
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 68d01cccc58..a1943f65ab6 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.special.xml b/man/systemd.special.xml
index b6522c50601..0033332d6dd 100644
--- a/man/systemd.special.xml
+++ b/man/systemd.special.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.swap.xml b/man/systemd.swap.xml
index 254389e774c..707b04b208e 100644
--- a/man/systemd.swap.xml
+++ b/man/systemd.swap.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.target.xml b/man/systemd.target.xml
index bc7f846c88e..4daa9f52fdd 100644
--- a/man/systemd.target.xml
+++ b/man/systemd.target.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.time.xml b/man/systemd.time.xml
index a4f6a785d5e..a2fff2d1015 100644
--- a/man/systemd.time.xml
+++ b/man/systemd.time.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.timer.xml b/man/systemd.timer.xml
index b8f921f3af7..5b1bc8b5217 100644
--- a/man/systemd.timer.xml
+++ b/man/systemd.timer.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 4f39505aed5..18ad2b5f596 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/systemd.xml b/man/systemd.xml
index b455b605cb4..70b456861d1 100644
--- a/man/systemd.xml
+++ b/man/systemd.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/sysusers.d.xml b/man/sysusers.d.xml
index fbe97544d76..38b749cf15e 100644
--- a/man/sysusers.d.xml
+++ b/man/sysusers.d.xml
@@ -2,6 +2,8 @@
 <!--*-nxml-*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/telinit.xml b/man/telinit.xml
index bdd22a6ce86..70044cc1dac 100644
--- a/man/telinit.xml
+++ b/man/telinit.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
diff --git a/man/timedatectl.xml b/man/timedatectl.xml
index 80f63e89188..dba94d88317 100644
--- a/man/timedatectl.xml
+++ b/man/timedatectl.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2012 Lennart Poettering
diff --git a/man/timesyncd.conf.xml b/man/timesyncd.conf.xml
index d68d9bdd76f..812b16e1b90 100644
--- a/man/timesyncd.conf.xml
+++ b/man/timesyncd.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Lennart Poettering
diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
index 68ae43eb90b..793c1240071 100644
--- a/man/tmpfiles.d.xml
+++ b/man/tmpfiles.d.xml
@@ -1,6 +1,8 @@
 <?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Brandon Philips
diff --git a/man/udev.conf.xml b/man/udev.conf.xml
index e104e53f5db..2339e8b9d3c 100644
--- a/man/udev.conf.xml
+++ b/man/udev.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2014 Zbigniew Jędrzejewski-Szmek
diff --git a/man/udev_device_get_syspath.xml b/man/udev_device_get_syspath.xml
index 014f43b21ce..1eb029f8f9d 100644
--- a/man/udev_device_get_syspath.xml
+++ b/man/udev_device_get_syspath.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_device_has_tag.xml b/man/udev_device_has_tag.xml
index 480257343ca..cdfcd7b7275 100644
--- a/man/udev_device_has_tag.xml
+++ b/man/udev_device_has_tag.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_device_new_from_syspath.xml b/man/udev_device_new_from_syspath.xml
index 0bb71c8e912..13f1b4ccef3 100644
--- a/man/udev_device_new_from_syspath.xml
+++ b/man/udev_device_new_from_syspath.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_enumerate_add_match_subsystem.xml b/man/udev_enumerate_add_match_subsystem.xml
index 5acce00bb00..fee861c65d1 100644
--- a/man/udev_enumerate_add_match_subsystem.xml
+++ b/man/udev_enumerate_add_match_subsystem.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_enumerate_new.xml b/man/udev_enumerate_new.xml
index b5856c55779..e195ad51056 100644
--- a/man/udev_enumerate_new.xml
+++ b/man/udev_enumerate_new.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_enumerate_scan_devices.xml b/man/udev_enumerate_scan_devices.xml
index e0b6bfba32e..3abfcef84e4 100644
--- a/man/udev_enumerate_scan_devices.xml
+++ b/man/udev_enumerate_scan_devices.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_list_entry.xml b/man/udev_list_entry.xml
index a1b531d52a8..12b48357ff7 100644
--- a/man/udev_list_entry.xml
+++ b/man/udev_list_entry.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_monitor_filter_update.xml b/man/udev_monitor_filter_update.xml
index f1295956189..3590a3ccd6c 100644
--- a/man/udev_monitor_filter_update.xml
+++ b/man/udev_monitor_filter_update.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_monitor_new_from_netlink.xml b/man/udev_monitor_new_from_netlink.xml
index d73a4acaeca..90ce1216117 100644
--- a/man/udev_monitor_new_from_netlink.xml
+++ b/man/udev_monitor_new_from_netlink.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_monitor_receive_device.xml b/man/udev_monitor_receive_device.xml
index 7e842f88dfd..abc9615eb58 100644
--- a/man/udev_monitor_receive_device.xml
+++ b/man/udev_monitor_receive_device.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/udev_new.xml b/man/udev_new.xml
index 587835a3caa..b4520d7e368 100644
--- a/man/udev_new.xml
+++ b/man/udev_new.xml
@@ -6,6 +6,8 @@
 ]>
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2015 David Herrmann <dh.herrmann@gmail.com>
diff --git a/man/vconsole.conf.xml b/man/vconsole.conf.xml
index 4a6672cbaea..fecbfd82bc5 100644
--- a/man/vconsole.conf.xml
+++ b/man/vconsole.conf.xml
@@ -3,6 +3,8 @@
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
+  SPDX-License-Identifier: LGPL-2.1+
+
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering