local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns or "jabber:client", origin.type;
if xmlns == "jabber:client" and valid_stanzas[name] then
-- A normal stanza
local name, xmlns, origin_type = stanza.name, stanza.attr.xmlns or "jabber:client", origin.type;
if xmlns == "jabber:client" and valid_stanzas[name] then
-- A normal stanza