History of html 2 changes

In crates/hub/src/mail.rs, lines 167–240 on c4bffee5b0d4c48713dc5fc2000b5c62a130313584228e803f91e296f9a130ff. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 167,240:crates/hub/src/mail.rs.