user-manual: Bump copyright

diff --git a/doc/source/user-manual.sgml b/doc/source/user-manual.sgml
index 0f7f833..c7da13b 100644 (file)
--- a/doc/source/user-manual.sgml
+++ b/doc/source/user-manual.sgml
@@ -35,7 +35,7 @@
 
  Purpose     :  user manual
 
- Copyright (C) 2001-2022 Privoxy Developers https://www.privoxy.org/
+ Copyright (C) 2001-2023 Privoxy Developers https://www.privoxy.org/
  See LICENSE.
 
  ========================================================================
@@ -54,7 +54,7 @@
  <subscript>
 <!-- Completely the wrong markup, but very little is allowed  -->
 <!-- in this part of an article. FIXME -->
- <link linkend="copyright">Copyright</link> &my-copy; 2001-2022 by
+ <link linkend="copyright">Copyright</link> &my-copy; 2001-2023 by
  <ulink url="https://www.privoxy.org/">Privoxy Developers</ulink>
  </subscript>
 </pubdate>