Jan Vroonhof writes: Jan> Unfortunately I have the feeling that without [...] Also, it would be wise to write a paragraph explaining that this feature is young and the specs may change in future releases. This won't avoid rants, but at least, they'll be warned. -- / / _ _ Didier Verna http://www.inf.enst.fr/~verna/ - / / - / / /_/ / E.N.S.T. INF C201.1 mailto:verna＠inf.enst.fr /_/ / /_/ / /__ / 46 rue Barrault Tel. (33) 01 45 81 73 46 75634 Paris cedex 13 Fax. (33) 01 45 81 31 19