Allow hyphen character in DEF_NAM_FMT to match DS_NAM_FMT.

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@210 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_graph.h b/src/rrd_graph.h
index cf99c8e..a746736 100644 (file)
--- a/src/rrd_graph.h
+++ b/src/rrd_graph.h
@@ -6,7 +6,7 @@
 #include "rrd_gfx.h"
 
 #define MAX_VNAME_LEN 29
-#define DEF_NAM_FMT "%29[_A-Za-z0-9]"
+#define DEF_NAM_FMT "%29[-_A-Za-z0-9]"
 
 #define ALTYGRID       0x01    /* use alternative y grid algorithm */
 #define ALTAUTOSCALE   0x02    /* use alternative algorithm to find lower and upper bounds */