Hi Tony, Thanks for the pointer to the plugins. After thinking about it, I'm actually tempted to just create a dictionary tiddler that serves as a lookup table for incrementing each week. It only requires 52 entries. That also takes care of the wrap around to 0. Entry 52 can just list 0 as it's increment. I could do it for year too (maybe up to 10 years, then stop). On one hand it seems kind of silly to use a lookup table to perform addition by 1, but in this case it seems it will get the job done with minimal fuss.
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