-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I just looked at Set, and it doesn't seem to be an instance of IsList as well (in 0.5.5.1). Could it be that `containers` simply hasn't been taken into account yet? Set and Seq clearly support IsList. So +1 and all that. Greetings, David/Quchen -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTxubTAAoJELrQsaT5WQUsAJgH/20wUGfReRmjBkEOf+jJ8zL2 7RYWQ95LFGaqNn8F8SCHclQ2Y5OpGSDlwFcA11LtdAWWCDFmebmE9AzDLsZ9i6j8 8sjx9Ga4a0IDOdKw9ur/7B0SNaei34zR+4xjkMBrTLt2m9LvyICrQjH6T8X9OdeP Ogatm5jRZcNdA+Kty/+RjDHktJqZl9iQRGQ6qOAD0EF+DezbYTPuUBwRA5kptkH2 qSaViCcv9GWVF2T3mZ/8OR0XgEdsvEn95X1HBgnxT3JCqIy/yaRd/GNu6AeqXQ4E 54LtCllt/B645Vv71FcJy0oplgz+qkptQRenPrW/yCzpu9530CksGZYnSP8J7g0= =gB4S -----END PGP SIGNATURE-----