--- a/lib/Tools/java Tue Apr 20 16:14:45 2010 +0200
+++ b/lib/Tools/java Tue Apr 20 17:07:53 2010 +0200
@@ -5,4 +5,4 @@
# DESCRIPTION: invoke Java within the Isabelle environment
CLASSPATH="$(jvmpath "$CLASSPATH")"
-exec "${THIS_JAVA:-ISABELLE_JAVA}" "$@"
+exec "${THIS_JAVA:-$ISABELLE_JAVA}" "$@"