sot/timelines — comment on commit a0d477fd23bcddf6b63307800e2d531b2c017534
File: update_load_seg_db.py line 478
By taldcroft:

This is nice! A rare case where using an explicit initialization and increment is better than zip(count(), ..). The logic is a bit subtle though, please add a comment about how i_diff gets to be larger than the longest of the two lists, thus enabling the logic below to work reliably.