Summary
- merged
- tuned;
- clarified modules;
- clarified signature: more explicit type Protocol_Message.Marker;
- tuned signature -- follow Scala;
- tuned;
- more explicit type Protocol_Message.Marker; tuned;
- clarified protocol messages: explicitly use physical_writeln, always encode_lines;
- tuned;
- tuned whitespace;
- more tidying up of old apply-proofs