pub(crate) fn overlaps(
days: i64,
removed: &BTreeSet<PathBuf>,
skipped: &BTreeSet<(PathBuf, i64)>,
) -> StringExpand description
Two events at once in the next days days, their margins counted, those
set aside left out, as JSON: [{key, day, today, first, second}], each
event {key, title, from, to} (“09:30”), for the Porch and the agenda.