If refox'll free'ly sho the 1st 19 lines, make the first 19 lines variable assignments or 'nul' statements or a big
if .F.
blah
blah
blah
endif

there are a couple reFox-like programs out there, so one won't protect you against the other. The whole Refox thing is really blackmail 'cause they didnt make it for the poor developer who (Oh no! I lost my source code!) but to extort the purchase price from the developer. (Oh no! He'll steal my code! I better give him some money so he wont steal mine!)