heading-inline-formatting

Heading text is full inline content; inline formatting is parsed normally

§4.2

Input

= Title with __bold__ word

Output AST

- type: Section
  level: 1
  heading:
    - type: Text
      value: "Title with "
    - type: Emphasis
      children:
        - type: Text
          value: bold
    - type: Text
      value: " word"