list-ordered

Lines starting with "{n}. " form a tight ordered List; start captures first item number

§4.7

Input

1. First
2. Second

Output AST

- type: List
  kind: numbered
  start: 1
  children:
    - type: ListItem
      children:
        - type: Text
          value: First
    - type: ListItem
      children:
        - type: Text
          value: Second