| Wed, 15 Feb 2023 10:39:14 +0100 | nipkow | tuned | file | diff | annotate |
| Tue, 12 May 2020 10:59:59 +0200 | nipkow | "app" -> "join" for RBTs | file | diff | annotate |
| Fri, 21 Feb 2020 17:51:56 +0100 | nipkow | tuned deletion | file | diff | annotate |
| Wed, 25 Sep 2019 17:22:57 +0200 | nipkow | replaced new type ('a,'b) tree by old type ('a*'b) tree. | file | diff | annotate |