| Sun, 23 Sep 2018 19:17:57 +0200 | wenzelm | eliminated old-style inner comments; | file | diff | annotate |
| Wed, 13 Jun 2018 15:24:20 +0200 | nipkow | qualify interpretations to avoid clashes | file | diff | annotate |
| Tue, 12 Jun 2018 17:18:40 +0200 | nipkow | more abstract naming | file | diff | annotate |