Georgios,
Define the length compensation code in GPOST questionnaire as for
example 43 , i.e. G43, then add the following lines at the beginning of
your FIL macro file :
$$ Replace all occurrences of G43 by G43.4
T1=TEXT/'G43'
T2=TEXt/G43.4'
REPLAC/T1,T2
~ Francois