Fix usage; add pointer to brewer colors

diff --git a/cmd/edgepaint/edgepaintmain.c b/cmd/edgepaint/edgepaintmain.c
index 9ae1be9e9bc2ebac87959aed11cbe843b0de08d7..7f3b58f730c872f22b3f33b0f695f3ecfe0dbc70 100644 (file)
--- a/cmd/edgepaint/edgepaintmain.c
+++ b/cmd/edgepaint/edgepaintmain.c
@@ -84,9 +84,10 @@ static void usage (char* cmd, int eval){
   fprintf(stderr, " -random_seed=s   : random seed to use. s must be an integer. If s is negative, we do -s iterations with different seeds and pick the best.\n");
   fprintf(stderr, " -color_scheme=c  : palette used. The string c should be \"rgb\", \"gray\", \"lab\" (default); or\n");
   fprintf(stderr, "       a comma-separated list of RGB colors in hex (e.g., \"#ff0000,#aabbed,#eeffaa\"); or\n");
-  fprintf(stderr, "       a string specifying a Brewer color scheme (e.g., \"accent7\")\n");
+  fprintf(stderr, "       a string specifying a Brewer color scheme (e.g., \"accent7\"; see http://www.graphviz.org/content/color-names#brewer).\n");
   fprintf(stderr, " -lightness=l1,l2 : only applied for LAB color scheme: l1 must be integer >=0, l2 integer <=100, and l1 <=l2. By default we use 0,70\n");
-  fprintf(stderr, " -share_endpoint  :  if this option is specified, edges that shares an end point are not considered in conflict if they are close to parallel but is on the opposite ends of the shared point (around 180 degree).\n");
+  fprintf(stderr, " -share_endpoint  :  if this option is specified, edges that shares an end point are not considered in conflict if they are close to\n");
+  fprintf(stderr, "       parallel but is on the opposite ends of the shared point (around 180 degree).\n");
   fprintf(stderr, " -v               : verbose\n");
   fprintf(stderr, " -o fname         :  write output to file fname (stdout)\n");
   exit(eval);