Verifies that the user is authorized to run this script. If
the user is authorized, a (userid, cookie, session-id, flags)
-quadruple is returned. If the user is not authorized but does
-not have the required privilege (see $flagsrequired below), it
+quadruple is returned. If the user is not authorized due to
+insufficent privileges (see $flagsrequired below), it
displays an error page and exits. Otherwise, it displays the
login page and exits.
&UpdateGuarantees($parent_borrno);
-C<&UpdateGuarantees> borrower data for an adulte and updates all the guarantees
+C<&UpdateGuarantees> borrower data for an adult and updates all the guarantees
with the modified information
=cut