prettified

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@49256 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/gis/colors/gdd

@@ -1,6 +1,8 @@
-0 violet
+0 white
+0.00001 violet
 500 blue
 1000 green
 1500 yellow
 2000 red
 3000 brown
+3500 violet