| Thu, 06 Apr 2017 22:04:30 +0200 | wenzelm | clarified signature: tree structure is not essential; | changeset | files |
| Thu, 06 Apr 2017 21:10:35 +0200 | wenzelm | merged | changeset | files |
| Thu, 06 Apr 2017 21:01:39 +0200 | wenzelm | misc tuning and modernization; | changeset | files |