Testing the custom assignments that are possible with data formats.

>>>>templates/test.tpl
{$foo}
{$goo}
{$foo is 'joe'}
{$goo is 'joe'}
{$foo}
{$goo}

>>>>data.php
Opl_Registry::register('data', array(
	'foo' => 'bar',
	'goo' => 'hoo'
));
$view->setFormat('foo', 'Test');
$view->setFormat('goo', 'Test');

>>>>expected.txt
OUTPUT

>>>>result.txt
bar
hoo
joe
joe