Add primary comment support

templates/edit_comment.html

@@ -0,0 +1,9 @@
+{% extends "templates/base.html" %}
+
+{% block content %}
+<form action="/comment/edit/{{ comment.id }}" method="post">
+{% csrf_token %}
+{{ form.as_p }}
+<input type="submit" name="edit" value="Edit" /><input type="submit" name="cancel" value="Cancel" />
+</form>
+{% endblock %}