If set, root is allowed to run B<sudo> too. Disabling this prevents users
from "chaining" B<sudo> commands to get a root shell by doing something
-like C<"sudo sudo /bin/sh">.
-This flag is I<on> by default.
+like C<"sudo sudo /bin/sh">. Note, however, that turning off I<root_sudo>
+will also prevent root and from running B<sudoedit>.
+Disabling I<root_sudo> provides no real additional security; it
+exists purely for historical reasons.
+This flag is I<@root_sudo@> by default.
=item log_host