History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on e15dc29f109b4680aaef4b59f452e3375d084199c1bbe9ad8de6fff5e0baaaa8. 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 13,32:src/cli/proposal.rs.