=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
-time is I<strftime>-formated with the string specified in the second argument.
+time is I<strftime>-formatted with the string specified in the second argument.
=item RRD::TIME::NOW I<strftime-format>
This gets replaced by the current time of day. The
-time is I<strftime>-formated with the string specified in the argument.
+time is I<strftime>-formatted with the string specified in the argument.
=item RRD::TIME::STRFTIME I<START|END> I<start-spec> I<end-spec> I<strftime-format>
I<strftime-format> on either I<start-spec> or I<end-spec> depending on
whether I<START> or I<END> is specified. Both I<start-spec> and I<end-spec>
must be supplied as either could be relative to the other. This is intended
-to allow pretty titles on graphs with times that are easier for non rrdtool
+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
-replaced by an appropriate E<lt>IMGE<gt> tag referring to the graph.
+replaced by an appropriate E<lt>IMG<gt> tag referring to the graph.
The B<--lazy> option in RRD graph can be used to make sure that graphs
are only regenerated when they are out of date. The arguments
to the B<RRD::GRAPH> tag work as described in the B<rrdgraph> manual page.