Testing the nl2br() function in the aggregate version.

>>>>templates/test.tpl
<?xml version="1.0" ?>
<opt:root>
{@vars is nl2br($vars)}
{u:@vars.v1}
{u:@vars.v2}
</opt:root>

>>>>data.php
$view->vars = array(
	'v1' => 'text with a
newline',
	'v2' => 'another text
with more
newlines'
);

>>>>expected.txt
OUTPUT

>>>>result.txt
text with a<br />
newline
another text<br />
with more<br />
newlines