.. note::
This recipe was inspired by the following Django wiki page:
- http://code.djangoproject.com/wiki/ExtendingTemplates
+ https://code.djangoproject.com/wiki/ExtendingTemplates
Customizing the Syntax
----------------------
'tag_variable' => array('{[', ']}'),
)));
-.. _callback: http://www.php.net/manual/en/function.is-callable.php
+.. _callback: https://secure.php.net/manual/en/function.is-callable.php