[tomp]

I hope you didn't mean to imply that `intercalate` is a _well-named_ function... I've no idea what it means, and even after a dictionary search it's still not obvious to me why you'd ever name a method like this!

[bausshf]

It's kind of a bad name, but not entirely.

This is the definition of intercalate.

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intercalate [in-tur-kuh-leyt]

verb (used with object), in·ter·ca·lat·ed, in·ter·ca·lat·ing.

1. to interpolate; interpose.

2. to insert (an extra day, month, etc.) in the calendar.