+val () = Env.action_two "addIcon"
+ ("icon", Env.string, "patterns", Env.list Env.string)
+ (fn (icon, pats) =>
+ case pats of
+ [] => ()
+ | _ => (write "\tAddIcon \"";
+ write icon;
+ write "\"";
+ app (fn pat => (write " "; write pat)) pats;
+ write "\n"))
+