Testing the cycle() function.

>>>>templates/test.tpl
<?xml version="1.0" ?>
<opt:root>
{cycle('a', 'b', 'c')}
{cycle('a', 'b', 'c')}
{cycle('a', 'b', 'c')}
{cycle('a', 'b', 'c')}
{cycle('a', 'b', 'c')}
{cycle('a', 'b', 'c')}
</opt:root>

>>>>expected.txt
OUTPUT

>>>>result.txt
a
b
c
a
b
c