| Thu, 15 Dec 2016 15:08:18 +0100 | wenzelm | back to full Proofterm.join_bodies, which was lost in 2011 (4e2abb045eac, cc53ce50f738); | changeset | files |
| Wed, 14 Dec 2016 18:37:54 +0100 | wenzelm | simplified options; | changeset | files |
| Wed, 14 Dec 2016 18:22:18 +0100 | wenzelm | more careful derivation_closed / close_derivation; | changeset | files |