It was like this on Re-volt 1.0, i don't know if it was changed on latest RVGL ...
DRINKME only affect *.PRM files but not *.HUL (on my old memory)
Try to use Panga with DRINKME and cry (... or scream)
Edit : tested on rvgl 21.0930 and it's the same, so not new bug but original feature