History of seal 2 changes

In src/cli/proposal.rs, lines 130–161 on dd21fd82687d832b61f53f9e9b50ad6ad31c21b25854ffec1a11ba2130bfac1a. 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.