It's not clear from the web site in question that the relevant code is released under the PostgreSQL license.
As author I allow to use this code in PostgreSQL and under its license. -- Teodor Sigaev E-mail: teo...@sigaev.ru WWW: http://www.sigaev.ru/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers