History of hex_string 1 change

In src/cli/identity.rs, lines 770–772 on 8b7986dd3cb0152e7e433b24701abaea443209e81be3effd7cdcb6457431b5ce. 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 770,772:src/cli/identity.rs.