===================================
Tags
===================================
<span>Hello</span>
---

(fragment
  (element
    (start_tag)
    (text)
    (end_tag)))

===================================
Tags with attributes
===================================
<input value=yes class="a" data-💩></input>
---

(fragment
  (element
    (start_tag
      (attribute
        (attribute_name)
        (attribute_value))
      (attribute
        (attribute_name)
        (quoted_attribute_value (attribute_value)))
      (attribute
        (attribute_name)))
    (end_tag)))

===================================
Nested tags
===================================
<div>
  <span>a</span>
  b
  <b>c</b>
</div>
---

(fragment
  (element
    (start_tag)
    (element
      (start_tag)
      (text)
      (end_tag))
    (text)
    (element
      (start_tag)
      (text)
      (end_tag))
    (end_tag)))

==================================
Void tags
==================================
<form><img src="something.png"><br><input type=submit value=Ok /></form>
---

(fragment
  (element
    (start_tag)
    (element
      (start_tag
        (attribute (attribute_name) (quoted_attribute_value (attribute_value)))))
    (element (start_tag))
    (element
      (self_closing_tag
        (attribute (attribute_name) (attribute_value))
        (attribute (attribute_name) (attribute_value))))
    (end_tag)))