Author: <csmall@debian.org>
Description: Checks minimum time is valid
Index: b/top.c
===================================================================
--- a/top.c	2009-11-24 21:00:39.000000000 +1100
+++ b/top.c	2009-11-24 21:00:48.000000000 +1100
@@ -2552,7 +2552,8 @@
          else {
             float tmp =
                get_float(fmtmk("Change delay from %.1f to", Rc.delay_time));
-            if (tmp > -1) Rc.delay_time = tmp;
+            if (tmp == 0.0) show_msg("\aNot valid");
+            else if (tmp > 0) Rc.delay_time = tmp;
          }
          break;