man: document that pam_systemd actually sets XDG_SEAT and XDG_VTNR

The old wording is not clear regarding whether the env var will be
updated or just a fallbacked is used.
This commit is contained in:
Lennart Poettering 2018-07-20 10:28:14 +02:00
parent d68c0833ea
commit 1acfbbff46

View file

@ -231,9 +231,9 @@
</varlistentry>
</variablelist>
<para>If not set, <command>pam_systemd</command> will determine the
values for <varname>$XDG_SEAT</varname> and <varname>$XDG_VTNR</varname>
based on the <varname>$DISPLAY</varname> variable.</para>
<para>If not set, <command>pam_systemd</command> will initialize
<varname>$XDG_SEAT</varname> and <varname>$XDG_VTNR</varname>
based on the <varname>$DISPLAY</varname> variable (if the latter is set).</para>
</refsect1>
<refsect1>