| Wed, 25 Sep 2019 17:22:57 +0200 | nipkow | replaced new type ('a,'b) tree by old type ('a*'b) tree. | file | diff | annotate |
| Mon, 16 Sep 2019 18:00:27 +0200 | nipkow | tuned | file | diff | annotate |
| Mon, 19 Aug 2019 16:49:24 +0200 | nipkow | tuned names | file | diff | annotate |