Is xi:include supported in the templates?

Hello 

Is xi:include also in the templates so that i can generate a docbook.html? Or do i have to configure it by myself?

thank you
-- 

Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen!
Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer