{{BEGIN user}}
	{{BEGIN hello}}
		Hello, user!
	{{END}}
	{{BEGIN goodbye}}
		Goodbye, user!
	{{END}}
{{END}}
{{BEGIN world}}
	Hello, world!
{{END}}

<?php

$Template = new Blitz('tpl');
$Template->context('user');
$Template->block('hello');
$Template->block('goodbye');
$Template->block('../world');
echo $Template->parse();

?>

Hello, user! Goodbye, user! Hello, world!