Recurrence: Reproduce and fix issues if BYWEEKNO
and INTERVAL
are used together
#657
+52
−21
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This PR reproduces and fixes more issues around
BYWEEKNO
, in particular if used together withINTERVAL
and ifDTSTART
lies in a different year then the week it lies in. E.g.20100102T000000
is in 2010, but the week number is 53 of 2009. In such cases the lib increments year invervals staring from 2010 rather than from 2009, which is wrong.