2 <html{% if app.request.locale is defined and app.request.locale %} lang="{{ app.request.locale }}"{% endif %}>
 
   3         <head{% if ogps is defined or facebooks is defined %} prefix="{% if ogps is defined and ogps %}og: http://ogp.me/ns#{% endif %} {% if facebooks is defined and facebooks %}fb: http://ogp.me/ns/fb#{% endif %}"{% endif %}>
 
   4                 {% block metas %}<meta charset="UTF-8">{% endblock %}
 
   5                 <title>{% block title %}Welcome!{% endblock %}</title>
 
   6                 {% block stylesheets %}{% endblock %}
 
   9                 {% block body %}{% endblock %}
 
  10                 {% block javascripts %}{% endblock %}