src/Pure/Isar/proof_history.ML
changeset 14981 e73f8140af78
parent 8807 0046be1769f9
child 15531 08c8dad8e399
     1.1 --- a/src/Pure/Isar/proof_history.ML	Sun Jun 20 09:30:12 2004 +0200
     1.2 +++ b/src/Pure/Isar/proof_history.ML	Mon Jun 21 10:25:57 2004 +0200
     1.3 @@ -1,7 +1,6 @@
     1.4  (*  Title:      Pure/Isar/proof_history.ML
     1.5      ID:         $Id$
     1.6      Author:     Markus Wenzel, TU Muenchen
     1.7 -    License:    GPL (GNU GENERAL PUBLIC LICENSE)
     1.8  
     1.9  Histories of proof states, with undo / redo and prev / back.
    1.10  *)