diff -r 91d8abf108be -r c24a79fe3651 bin/isatool
--- a/bin/isatool	Fri Dec 13 18:45:58 1996 +0100
+++ b/bin/isatool	Mon Dec 16 09:53:30 1996 +0100
@@ -8,7 +8,7 @@
 ## settings
 
 ISABELLE_HOME=$(dirname $(dirname $0))
-. $ISABELLE_HOME/lib/scripts/getsettings
+. $ISABELLE_HOME/lib/scripts/getsettings || exit 2
 
 
 ## diagnostics