History of api_url 2 changes

In src/cli/proposal.rs, lines 13–32 on 80677b7a3513d273c0f0882bce963c630769560b657700b5ca2457f3b678ce7d. 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.