a new command-line parameter, --week-fmt, by which I can translate the word "week...

[rrdtool-all.git] / program / doc / rrdgraph.pod

diff --git a/program/doc/rrdgraph.pod b/program/doc/rrdgraph.pod
index ca3c12840245fc8fd248bcba06b7962fc39da07b..71a1e1dde1236d1512d7a7533aa42e69c9d50f08 100644 (file)
--- a/program/doc/rrdgraph.pod
+++ b/program/doc/rrdgraph.pod
@@ -193,6 +193,11 @@ This places grid lines every 8 hours, major grid lines and labels
 each day. The labels are placed exactly between two major grid lines
 as they specify the complete day and not just midnight.
 
+[B<--week-fmt> I<strftime format string>]
+
+By default rrdtool uses "Week %V" to render the week number. With this option
+you can define your own format, without completely overriding the xaxis format.
+
 =head2 Y-Axis
 
 [B<-y>|B<--y-grid> I<grid step>B<:>I<label factor>]
@@ -485,8 +490,9 @@ B<CDEF:>I<vname>B<=>I<RPN expression>
 
 B<VDEF:>I<vname>B<=>I<RPN expression>
 
-You need at least one B<DEF> statement to generate anything. The
-other statements are useful but optional.
+You need at least one B<DEF> and one B<LINE>, B<AREA>, B<GPRINT>, B<PRINT>
+statement to generate anything useful.
+
 See L<rrdgraph_data> and L<rrdgraph_rpn> for the exact format.
 
 NOTE: B<Graph and print elements>