Browsing the wiki, I discovered the frontier pattern. But I can't find it in the reference manual ? Why not include it ? It is a great feature of lua patterns I often needed without even knowing that is was there. http://lua-users.org/wiki/FrontierPattern -- Mildred <xmpp:mildred@jabber.fr> <http://mildred632.free.fr/> Clef GPG : <hkp://pgp.mit.edu> ou <http://mildred632.free.fr/gpg_key> Fingerprint : 197C A7E6 645B 4299 6D37 684B 6F9D A8D6 [9A7D 2E2B]