==================
Regroup Basic
==================

{% regroup people by gender as grouped %}

---

(template
  (content)
  (regroup_tag
    (filtered_value
      (value
        (variable_attribute
          (identifier))))
    (attribute)
    variable: (identifier))
  (content))

==================
Regroup By Adjacent To Value
:error
==================

{% regroup 1by gender as grouped %}

---

(ERROR)