This is the revision history for why the 1 in <*:##NULL>

factoid_idsubjectcopulapredicateauthornamespace
9397 why the 1 is perlbot prints the return value of the last statement evaluated. print returns true if it successfully prints. Stop using print as the last statement. fizztpok
6243 why the 1 is "buubot prints the return value of the last statement evaluated. print returns true if it successfully prints. Stop using print as the last statement. somni