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-rw-r--r--docs/polkit/overview.xml5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/polkit/overview.xml b/docs/polkit/overview.xml
index 4278b29..31f856f 100644
--- a/docs/polkit/overview.xml
+++ b/docs/polkit/overview.xml
@@ -84,6 +84,11 @@
agents that use the native authentication system
e.g. pam<literal>(8)</literal>.
</para>
+ <para>
+ If the environment variable <literal>POLKIT_DEBUG</literal> is
+ set, the libpolkit-agent-1 library prints out diagnostic
+ information on standard output.
+ </para>
</chapter>
<chapter id="polkit-extending">