History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on ed5b9ef990a324b798a44e1c111c341ad87e33821454569cfee225c961395ee1. 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 130,161:src/cli/proposal.rs.