add online documentation for --pango-markup switch

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@2010 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_tool.c b/src/rrd_tool.c
index 81c5a9c..9e60847 100644 (file)
--- a/src/rrd_tool.c
+++ b/src/rrd_tool.c
@@ -153,6 +153,7 @@ void PrintUsage(
            "\t\t[-B|--font-smoothing-threshold size]\n"
            "\t\t[-T|--tabwidth width]\n"
            "\t\t[-E|--slope-mode]\n"
+           "\t\t[-P|--pango-markup]\n"
            "\t\t[-N|--no-gridfit]\n"
            "\t\t[-X|--units-exponent value]\n"
            "\t\t[-L|--units-length value]\n"