| 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 |