comment-table-mid-cell-degrades-to-paragraph

## mid-cell makes the pre-## substring fail row grammar (no closing |); block candidate falls back to Paragraph; payload stored in Paragraph.reflection

§4.8

Input

| Head ## comment | Next |

Output AST

- type: Paragraph
  children:
    - type: Text
      value: "| Head "
  reflection:
    - loc:
        start: 10
        end: 26
      text: comment | Next |