diff -r 3c548f92e032 -r 4d501db6ebed lib/encodings/isabelle-0
--- a/lib/encodings/isabelle-0	Tue Apr 29 17:14:06 1997 +0200
+++ b/lib/encodings/isabelle-0	Tue Apr 29 17:23:53 1997 +0200
@@ -13,7 +13,7 @@
 tturnstile
 langle
 rangle
-choice
+orelse
 top
 Or
 ocdot