Changes

Summary

1. merged
2. Tuned text
3. clarified signature: avoid confusion due to redundant standard_path, which is already used here (but not elsewhere);
4. clarified signature: avoid case class with redefined equality;
5. discontinued somewhat pointless dependency: avoid illusion of extra accuracy (see also 09fb749d1a1e and 0f750a6dc754);
6. tuned;
7. clarified signature;
8. unused;
9. clarified signature;
10. tuned whitespace;
11. tuned;
12. clarified signature;
13. tuned signature;
14. tuned output;
15. prefer SML here
16. Typo.