diff --git a/demos/subst/wscript b/demos/subst/wscript
index ebe975c9..56bc8638 100644
--- a/demos/subst/wscript
+++ b/demos/subst/wscript
@@ -34,3 +34,8 @@ def build(bld):
 	# this one is just a reminder that simple files can be created (and a test too)
 	#bld(rule='echo "การไฟ่" > ${TGT}', target='foo.txt')
 
+	# and this is an alternate syntax
+	#@bld.rule(source='wscript', target='wscript2')
+	#def _(tsk):
+	#	tsk.outputs[0].write(tsk.inputs[0].read())
+