| Sun, 11 Aug 2019 22:36:34 +0200 | wenzelm | record sort constraints unconditionally: minimal performance implications; | changeset | files |
| Sat, 10 Aug 2019 17:09:20 +0200 | wenzelm | more careful export of unnamed proof boxes: avoid duplicates via memoing; | changeset | files |
| Sat, 10 Aug 2019 16:16:54 +0200 | wenzelm | tuned signature; | changeset | files |