ladder: use undo
commit52ef47d6ca6a71b8b40e68d913db4134c86fc951
authorlemonsqueeze <lemonsqueeze@gmx.com>
Mon, 16 May 2016 09:54:51 +0000 (16 11:54 +0200)
committerlemonsqueeze <lemonsqueeze@gmx.com>
Tue, 12 Jul 2016 16:06:14 +0000 (12 18:06 +0200)
treeb509875c9969ca31f698fb97e7bcc3b75ffc7f20
parentcb22bf718b961e50ce2c35a02d9cf6999ff420e0
ladder: use undo
tactics/ladder.c