fixup string machine mess
fixup string machine mess

I mixed actions with definitions. Oops. Also @'d when I should have %'d,
and that's always a problem. Don't do that.

nbargnesi/bel-parser,nbargnesi/bel-parser,nbargnesi/bel-parser,OpenBEL/bel_parser,OpenBEL/bel_parser,OpenBEL/bel_parser