| Wed, 06 May 2020 15:31:24 +0200 | nipkow | simplified and tuned | file | diff | annotate |
| Wed, 06 May 2020 13:52:01 +0200 | nipkow | tuned | file | diff | annotate |
| Wed, 06 May 2020 10:46:19 +0200 | nipkow | tuned | file | diff | annotate |
| Tue, 05 May 2020 16:44:34 +0200 | nipkow | tuned var. names | file | diff | annotate |
| Mon, 04 May 2020 23:34:46 +0200 | nipkow | tuned var. names | file | diff | annotate |
| Mon, 04 May 2020 16:28:39 +0200 | nipkow | AVL trees with balance tags | file | diff | annotate |