shutdown: remove explicit sync() invocations

[elogind.git] / man / os-release.xml

diff --git a/man/os-release.xml b/man/os-release.xml
index 019e48e03f0964f5641ff40ce57b320b54d0c62f..a5f1a917a8eb70e924c86526acfcec99ebcf283a 100644 (file)
--- a/man/os-release.xml
+++ b/man/os-release.xml
@@ -9,16 +9,16 @@
   Copyright 2010 Lennart Poettering
 
   systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.
 
   systemd is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
 
@@ -313,6 +313,13 @@
                 accommodate for rolling releases. In this case VERSION
                 and VERSION_ID may be unset. Applications should not
                 rely on these fields to be set.</para>
+
+                <para>Operating system vendors may extend the file
+                format and introduce new fields. It is highly
+                recommended to prefix new fields with an OS specific
+                name in order to avoid name clashes. Applications
+                reading this file must ignore unknown fields. Example:
+                <literal>DEBIAN_BTS="debbugs://bugs.debian.org/"</literal></para>
         </refsect1>
 
         <refsect1>