Summary
- tuned signature: avoid too many aliases;
- proper thread context (amending 01a7265db76b) -- at the danger of blocking the GUI;
- more robust: avoid detour via somewhat fragile Node.Name.path;
- clarified generic path operations;
- more flexible: implicit support for Windows;
- tuned signature;
- clarified output;
- tuned;
- merged
- More tidying
- Further cleaning up of messy proofs
- merged
- reorganisation and simplification of theorems about transcendental functions