History of release 2 changes

In crates/oh/src/main.rs, lines 889–980 on 0a56c5313bc09210ec663cf9063603a637c4ad9fccb58992ae09e470dc9b10fd. 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 889,980:crates/oh/src/main.rs.