added doc on new graphv graph_start und graph_end info variables

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@1745 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/doc/rrdgraph.pod b/program/doc/rrdgraph.pod
index f7b6cac4143f6d1023d59828553e520002419b34..c39548f2e6966f53e51dabfc2ebaf9f0c0ba3916 100644 (file)
--- a/program/doc/rrdgraph.pod
+++ b/program/doc/rrdgraph.pod
@@ -482,6 +482,8 @@ the output will look like this:
  graph_top = 22
  graph_width = 400
  graph_height = 100
+ graph_start = 1232908800
+ graph_end = 1232914200
  image_width = 481
  image_height = 154
  value_min = 0.0000000000e+00