Day 2 begins.
Two edits made in https://math.stackexchange.com/questions/172837/a-counterexample-in-topology.
Skipping edits previously made, next one is https://math.stackexchange.com/questions/22733/the-fundamental-group-of-a-pair-of-infinite-earrings which only needed an edit to the question.
Next on the list were already rolled-back https://math.stackexchange.com/posts/3877634/revisions , https://math.stackexchange.com/questions/667035/fundamental-group-of-hawaiian-earring, https://math.stackexchange.com/questions/667035/fundamental-group-of-hawaiian-earring/801815#801815