<HTML><BODY>
<H1> test_include1 </H1>
undefined (TRUE), so including test_if2 ...
<HTML><BODY>
<H1> test_if2 </H1>
undefined (TRUE)
(if test 1)
VAR2 defined (TRUE)
(if test 2)
defined (if test 3 level 1) VISIBLE
VAR2 VISIBLE (if test 3 level 2)
VAR2 defined VISIBLE (if test 3 level 3)
--- visible ---
<H1> END test_if2 </H1>
</body></html>
(include test 1)
</body></html>