--- a/src/Pure/General/symbol.scala Thu Dec 18 09:30:36 2008 -0800
+++ b/src/Pure/General/symbol.scala Fri Dec 19 20:37:29 2008 +0100
@@ -1,5 +1,4 @@
/* Title: Pure/General/symbol.scala
- ID: $Id$
Author: Makarius
Detecting and recoding Isabelle symbols.