X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fos-release.xml;h=ff8fdf16be1f30bb88f4dd12dfc135acd470d37c;hp=019e48e03f0964f5641ff40ce57b320b54d0c62f;hb=3e2147858f21943d5f4a781c60f33ac22c6096ed;hpb=d383ac0d2f05bc1d13603c8bf4647b603fe85b1e

diff --git a/man/os-release.xml b/man/os-release.xml
index 019e48e03..ff8fdf16b 100644
--- a/man/os-release.xml
+++ b/man/os-release.xml
@@ -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>