boolean emulate_bd = TRUE; /* unless non-BOULDERDASH elements found */
boolean emulate_sb = TRUE; /* unless non-SOKOBAN elements found */
boolean emulate_sp = TRUE; /* unless non-SUPAPLEX elements found */
boolean emulate_bd = TRUE; /* unless non-BOULDERDASH elements found */
boolean emulate_sb = TRUE; /* unless non-SOKOBAN elements found */
boolean emulate_sp = TRUE; /* unless non-SUPAPLEX elements found */