-=pod
+=pod
-=head1 NAME
+=head1 NAME
rrdgraph_graph - rrdtool graph command reference
=cut
-B<PART>B<:>I<vname>B<#>I<rrggbb>[I<aa>][B<:>I<legend>]
+#
+#B<PART>B<:>I<vname>B<#>I<rrggbb>[I<aa>][B<:>I<legend>]
+#
=pod
on top of the previous element. There must be something to stack
upon.
-You can use an B<invisible> LINE or AREA to stacked upon.
+You can use an B<invisible> LINE or AREA to stacked upon.
An B<unknown> value makes the entire stack unknown from that moment on.
You don't know where to begin (the unknown value) and therefore do