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-rw-r--r--doc/man/pam.conf-syntax.xml8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/man/pam.conf-syntax.xml b/doc/man/pam.conf-syntax.xml
index 1460c6f6..ced8ff1f 100644
--- a/doc/man/pam.conf-syntax.xml
+++ b/doc/man/pam.conf-syntax.xml
@@ -102,6 +102,14 @@
</listitem>
</varlistentry>
</variablelist>
+ <para>
+ If the <emphasis>type</emphasis> value from the list above is prepended
+ with a <emphasis>-</emphasis> character the PAM library will not log to
+ the system log if it is not possible to load the module because it is
+ missing in the system. This can be useful especially for modules which
+ are not always installed on the system and are not required for correct
+ authentication and authorization of the login session.
+ </para>
<para>
The third field, <emphasis>control</emphasis>, indicates the