Hmm, just testet and seems to be works, or (see attached image)?
My encoding.conf (3056 Bytes):
#Fallback encoding when in dvb-text no encoding table is given
#Countycode ISO8859-X
ara ISO8859-6
tur ISO8859-9
gre ISO8859-7
pol ISO8859-2
rus ISO8859-5
bul ISO8859-5
tha ISO8859-11
cze ISO6397
ces ...