cases:
  - title: CommonMark headings
    id: heading
    mdast:
      type: root
      children:
        - type: heading
          depth: 3
          children:
            - type: text
              value: Heading!
    myst: |-
      ### Heading!
    html: |-
      <h3>Heading!</h3>
  - title: CommonMark setext headings
    description: https://spec.commonmark.org/0.30/#setext-headings
    mdast:
      type: root
      children:
        - type: heading
          depth: 1
          children:
            - type: text
              value: Heading 1
        - type: heading
          depth: 2
          children:
            - type: text
              value: Heading 2
    myst: |-
      Heading 1
      =========

      Heading 2
      ---------
    html: |-
      <h1>Heading 1</h1>
      <h2>Heading 2</h2>
    latex: |-
      \section*{Heading 1}
      \subsection*{Heading 2}