RT#1466
Reviewed-by: Rich Salz <rsalz@openssl.org>
=item B<esc_2253>
-escape the "special" characters required by RFC2253 in a field That is
+escape the "special" characters required by RFC2253 in a field. That is
B<,+"E<lt>E<gt>;>. Additionally B<#> is escaped at the beginning of a string
and a space character at the beginning or end of a string.
+=item B<esc_2254>
+
+escape the "special" characters required by RFC2254 in a field. That is
+the B<NUL> character as well as and B<()*>.
+
=item B<esc_ctrl>
escape control characters. That is those with ASCII values less than