link-closed-twin-inner-survives

The closed twin of the verbatim-slice case: with the link properly closed, the inner Emphasis parses normally

§9.4.1

Input

[a __b__ c](url)

Output AST

- type: Paragraph
  children:
    - type: Link
      kind: external
      href: url
      children:
        - type: Text
          value: "a "
        - type: Emphasis
          children:
            - type: Text
              value: b
        - type: Text
          value: " c"