History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on b9c2d543933b967929643e39cb05bb3b2c7f74905fe30f7591b1e040a59bbeff. 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.