--- a/FileOperation.st	Wed Nov 18 13:11:31 2015 +0100
+++ b/FileOperation.st	Wed Nov 18 13:12:26 2015 +0100
@@ -1,5 +1,3 @@
-"{ Encoding: utf8 }"
-
 "
  COPYRIGHT (c) 2003 by eXept Software AG
 	      All Rights Reserved
@@ -161,6 +159,12 @@
     ^ '.copy'
 ! !
 
+!FileOperation class methodsFor:'queries'!
+
+isAbstract
+    ^ self == FileOperation
+! !
+
 !FileOperation methodsFor:'accessing'!
 
 errorString
@@ -1650,10 +1654,10 @@
 !FileOperation class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libtool/FileOperation.st,v 1.99 2015-04-12 15:01:54 cg Exp $'
+    ^ '$Header$'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libtool/FileOperation.st,v 1.99 2015-04-12 15:01:54 cg Exp $'
+    ^ '$Header$'
 ! !