justjohn/twig.js — pull request #87 by m-abs (2013-04-29 20:46:18+00:00)
Title: Twig.php: test/Twig/Tests/Fixtures/expressions/literals.test

Bools can be both upper and lower case.
Output of bools differ from PHP and JavaScript:
In PHP, true prints as "1", in JavaScript it prints as "true".
IN PHP, false prints as "", in JavaScript it prints as "false".