{% macro render_comment(comment) %}
<div style="margin-left:20px">
	<p><i>{{ comment.author }}</i></p>
	<p>{{ comment.text }}</p>
	<sup><a href="{{ url_for("comment", comment_id = comment.id) }}">reply</a></sup>
	{% for c in comment.children %}
	{{ render_comment(c) }}
	{% endfor %}
</div>
{% endmacro %}

{% macro reply() %}
{% if 'user_id' in session %}
<form method="post" action="comment/">
	<textarea name="text"></textarea>
	<input type="submit" value="Post comment">
</form>
{% endif %}
{% endmacro %}