--- a/src/Sequents/Sequents.thy Fri Dec 17 17:08:56 2010 +0100
+++ b/src/Sequents/Sequents.thy Fri Dec 17 17:43:54 2010 +0100
@@ -28,9 +28,7 @@
(* concrete syntax *)
-nonterminals
- seq seqobj seqcont
-
+nonterminal seq and seqobj and seqcont
syntax
"_SeqEmp" :: seq ("")