added note on escaping :

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@289 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/doc/rrdcgi.pod b/program/doc/rrdcgi.pod
index 66260acc238a2a3aa52583b12b16bd9e836ef76b..763ab230bb8168eea19af9c1bc0bce78b6c67bca 100644 (file)
--- a/program/doc/rrdcgi.pod
+++ b/program/doc/rrdcgi.pod
@@ -96,8 +96,11 @@ 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>-formatted with the string specified in the argument.
+This gets replaced by the current time of day. The time is
+I<strftime>-formatted with the string specified in the argument.
+
+Note that if you return : from your strftime format you may have to escape
+them using \ if the time is to be used as an argument to a GRAPH command. 
 
 =item RRD::TIME::STRFTIME I<START|END> I<start-spec> I<end-spec> I<strftime-format>
 
@@ -108,6 +111,9 @@ 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
 folks to figure out than "-2weeks".
 
+Note that if you return : from your strftime format you may have to escape
+them using \ if the time is to be used as an argument to a GRAPH command.
+
 =item RRD::GRAPH I<rrdgraph arguments>
 
 This tag creates the RRD graph defined in its argument and then gets