By: Tom Sydney Kerckhove <syd@cs-syd.eu>
ical-recurrence: test Until against out-of-order yearly occurrences Both Count and Until assume the occurrences ascend. The companion test covers Count, which picks the wrong instances. Until fails harder: recurUntil stops at the first element past it and discards the rest, so a single day out of order silently truncates the tail of the recurrence set.