Index: setclasspath.sh
===================================================================
--- setclasspath.sh	(revision 937735)
+++ setclasspath.sh	(working copy)
@@ -16,8 +16,18 @@
 # limitations under the License.
 
 # -----------------------------------------------------------------------------
-#  Set CLASSPATH and Java options
+#  Set Java environment variables:
+#   JAVA_HOME (if not already set)
+#   JRE_HOME (if not already set)
+#   JAVA_ENDORSED_DIRS (if not already set)
+#   _RUNJAVA
+#   _RUNJDB
+#   JIKESPATH (Darwin)
 #
+#  The following variables must be set before use:
+#   $darwin, $os400
+#   BASEDIR
+#
 #  $Id$
 # -----------------------------------------------------------------------------