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">. Note, however, that turning off I<root_sudo>
-will also prevent root from running B<sudoedit>.
+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.