History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on c71a5777509a1f29bc1889953d79339df41b264bfafd68cf7ef75b3d97c9f71d. 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.