{% set name = "watasu" %}
{% if name=="watasu" %}
your name is {{ name }}, right?
{% raw %}
This is the test for raw block
{% you can write block inside of raw %}
{% endraw %}
{% end %}
{% for i in 1 : 10 %}
Hello {{i}}
{% end %}
{% let age = 15 %}
and your age is {{ age }}.
{% end %}