diff -r 5170d6277b61 -r cc9eaa852fcd lib/Tools/codegen
--- a/lib/Tools/codegen	Fri Feb 13 08:59:06 2009 +0100
+++ b/lib/Tools/codegen	Fri Feb 13 10:30:13 2009 +0100
@@ -36,5 +36,5 @@
 THY=$(echo $THY | sed -e 's/\\/\\\\"/g; s/"/\\\"/g')
 ISAR="theory Codegen imports \"$THY\" begin export_code $CMD end"
 
-echo "$ISAR" | "$ISABELLE_PROCESS" -I "$IMAGE" || exit 1
+echo "$ISAR" | "$ISABELLE_TOOL" tty -l "$IMAGE" || exit 1