attr-strip-namedblock-opener

Whitespace between a NamedBlock name and its consumed {attr} on the opener line is stripped — no trailing-space leak into the name token

§12

Input

:::note   {.warn}
content
:::

Output AST

- type: NamedBlock
  name: note
  attributes:
    - key: class
      value:
        - warn
  children:
    - type: Paragraph
      children:
        - type: Text
          value: content