1 ????????? ; With the LESS_PROBLEMATIC version, this ensures BEGIN will
2 ????????_ ; never skip to beyond END
4 & ; Since the queue is empty, this fills it with whatever the
7 \*/ ; Every iteration of this loop, there is about a 1|3 chance
8 ; the selected variable is the one which had the queue's byte
9 ; stored into it last loop. The remaining 2|3rds of the time,
10 ; a probably non-printable character is output instead