| Fri, 21 Feb 1997 16:43:04 +0100 | wenzelm | declared the dummy type; | changeset | files |
| Fri, 21 Feb 1997 16:35:49 +0100 | wenzelm | replaced natural by subset; | changeset | files |
| Fri, 21 Feb 1997 16:35:30 +0100 | wenzelm | tuned symbolic [|_|] syntax; | changeset | files |
| Fri, 21 Feb 1997 16:28:00 +0100 | wenzelm | tuned some chars; | changeset | files |