| 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 |
| Sat, 28 Dec 2019 23:44:26 +0100 | nipkow | tuned | file | diff | annotate |
| Sat, 28 Dec 2019 00:15:43 +0100 | nipkow | tuned | 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 |
| Mon, 19 Aug 2019 16:49:24 +0200 | nipkow | tuned names | file | diff | annotate |
| Mon, 11 Jun 2018 16:29:27 +0200 | nipkow | tuned order of arguments | file | diff | annotate |
| Thu, 22 Mar 2018 13:53:15 +0100 | nipkow | make baliL and baliR symmetric | file | diff | annotate |
| Sat, 28 Jan 2017 15:12:19 +0100 | nipkow | split balance into two, clearer etc | file | diff | annotate |
| Fri, 27 Jan 2017 17:28:10 +0100 | nipkow | removed unclear clause; slower but clearer | file | diff | annotate |
| Fri, 27 Nov 2015 18:01:13 +0100 | nipkow | paint root black after insert and delete | file | diff | annotate |
| Sun, 15 Nov 2015 12:45:28 +0100 | nipkow | tuned white space | file | diff | annotate |
| Mon, 02 Nov 2015 18:35:30 +0100 | nipkow | tuned names and optimized comparison order | file | diff | annotate |
| Sun, 18 Oct 2015 17:25:13 +0200 | nipkow | added 2-3 trees (simpler and more complete than the version in ex/Tree23) | file | diff | annotate |
| Wed, 23 Sep 2015 09:14:22 +0200 | nipkow | tuned | file | diff | annotate |
| Tue, 22 Sep 2015 08:38:25 +0200 | nipkow | added red black trees | file | diff | annotate |