| Sat, 13 Jan 2018 11:42:30 +0100 | wenzelm | prefer formal comments; | file | diff | annotate |
| Wed, 10 Jan 2018 15:25:09 +0100 | nipkow | ran isabelle update_op on all sources | file | diff | annotate |
| Sat, 06 Jan 2018 15:08:42 +0100 | nipkow | tuned op | file | diff | annotate |