- * django-mptt e734079+ <https://github.com/django-mptt/django-mptt/>
- * (Optional) django-grappelli 2.0+ <http://code.google.com/p/django-grappelli/>
- * (Optional) recaptcha-django r6 <http://code.google.com/p/recaptcha-django/>
- * (Optional) south 0.7.2+ <http://south.aeracode.org/>
+ * django-mptt e734079+ <https://github.com/django-mptt/django-mptt/>
+ * (optional) django-grappelli 2.0+ <http://code.google.com/p/django-grappelli/>
+ * (optional) south 0.7.2+ <http://south.aeracode.org/>
+ * (philo.contrib.penfield) django-taggit 0.9.3+ <https://github.com/alex/django-taggit/>
+ * (philo.contrib.waldo, optional) recaptcha-django r6+ <http://code.google.com/p/recaptcha-django/>