lib/scripts/getsettings

--- a/lib/scripts/getsettings	Mon Jul 23 15:59:14 2012 +0200
+++ b/lib/scripts/getsettings	Mon Jul 23 16:13:26 2012 +0200
@@ -163,8 +163,7 @@
   esac
 
   if [ ! -d "$COMPONENT" ]; then
-    echo >&2 "Missing Isabelle component directory: \"$COMPONENT\""
-    exit 2
+    echo >&2 "### Missing Isabelle component: \"$COMPONENT\""
   elif [ -z "$ISABELLE_COMPONENTS" ]; then
     ISABELLE_COMPONENTS="$COMPONENT"
   else