; If COND is 'LAST', then invert date to have in latest to earliest
GREATER
; Kill nodes less than indicated visit date plus 1
; e.g., if not "<>", after 1/1/87 kills nodes less than 2870102
; if =">", then kills nodes less than 2870101
VISIT
; - ENTRY POINT - Evaluate visits
EQUAL
; Save nodes equal to visit date
VISRES
; Finds first n visits or visits as a result of date entered
LESSTHAN
; Kill nodes greater than indicated visit date minus .0001
; e.g., less than 1/1/87 kills nodes greater than 2870100.9999