Summary
- merged
- tuned;
- more antiquotations;
- more antiquotations;
- more robust: genuinely free variables need to be instantiated;
- tuned comments;
- clarified errors;
- tuned;
- clarified instantiation: local beta reduction after substitution, as for Envir.expand_term_defs;
- tuned;
- clarified signature -- avoid clones;
- Refinement of partitions