Summary
- prefer Isabelle/Scala operations;
- merged
- clarified IO, following Java 11 and Isabelle/Scala;
- prefer Scala operations;
- minor tuning;
- switched to statically compiled ci profile;
- more operations on Bytes.T;
- more operations on Bytes.T;
- tuned BNF bounds for function space and bounded sets; NEWS and CONTRIBUTORS
- strict bounds for BNFs (by Jan van Brügge)