=back
-=head2 Pass 1
+=head2 Keywords
=over 8
might give you the name of the remote user given you are using
some sort of access control on the directory
-=back
-
-=head2 Pass 2
-
-=over 8
=item RRD::GOODFOR I<seconds>
to make sure everything is presented in Universal Time. Note that the
values permitted to TZ depend on your OS.
+=item RRD::SETVAR I<variable> I<value>
+
+Analog to SETENV but for local variables
+
+=item RRD::GETVAR I<variable>
+
+Analog to GETENV but for local variables
+
=item RRD::TIME::LAST I<rrd-file> I<strftime-format>
This gets replaced by the last modification time of the selected RRD. The
to allow pretty titles on graphs with times that are easier for non rrdtool
folks to figure out than "-2weeks".
-=back
-
-=head2 Pass 3
-
-=over 8
-
=item RRD::GRAPH I<rrdgraph arguments>
This tag creates the RRD graph defined in its argument and then gets