=head1 EXAMPLES
+=head2 Data with multiple resolutions
+
+ --end now --start end-120000s --width 400
+ DEF:ds0a=/home/rrdtool/data/router1.rrd:ds0:AVERAGE
+ DEF:ds0b=/home/rrdtool/data/router1.rrd:ds0:AVERAGE:step=1800
+ DEF:ds0c=/home/rrdtool/data/router1.rrd:ds0:AVERAGE:step=7200
+ LINE1:ds0a#0000FF:"default resolution\n"
+ LINE1:ds0b#00CCFF:"resolution 1800 seconds per interval\n"
+ LINE1:ds0c#FF00FF:"resolution 7200 seconds per interval\n"
+
=head2 Nicely formatted legend section
DEF:ds0=/home/rrdtool/data/router1.rrd:ds0:AVERAGE