History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 86e1824f2d0bd71debc5cd65f69265496b0592615a18db90e7b4bdc4bc1a0598. 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.