The square brackets in BIO_s_bio.pod for some

reason cause wml to bomb out with the error
message:

** Slice:Error: Some slices were not closed:
** WML:Break: Error in Pass 9 (rc=1).
** WMK:Error: Error in WML (rc=256)

As a workaround delete them for now.

doc/crypto/BIO_s_bio.pod

@@ -126,7 +126,7 @@ BIO_new_bio_pair() returns 1 on success, with the new BIOs available in
 B<bio1> and B<bio2>, or 0 on failure, with NULL pointers stored into the
 locations for B<bio1> and B<bio2>. Check the error stack for more information.
 
-[XXXXX: More return values need to be added here]
+XXXXX: More return values need to be added here
 
 =head1 EXAMPLE