| Sat, 04 Feb 2012 16:08:19 +0100 | wenzelm | tuned; | file | diff | annotate |
| Sat, 04 Feb 2012 15:56:49 +0100 | wenzelm | more on explicit notation; | file | diff | annotate |
| Sat, 04 Feb 2012 15:44:50 +0100 | wenzelm | more accurate Pure grammar; | file | diff | annotate |