table-multiline-plus-colons-inert

Colons in a + separator row are inert: the row delimits logical rows but never marks Header and never sets alignment

§4.8

Input

+----------+
| Cell A   |
+:---------+
| Cell B   |

Output AST

- type: Table
  kind: multiline
  rows:
    - type: Row
      children:
        - type: Cell
          row: 0
          column: 0
          children:
            - type: Paragraph
              children:
                - type: Text
                  value: Cell A
    - type: Row
      children:
        - type: Cell
          row: 1
          column: 0
          children:
            - type: Paragraph
              children:
                - type: Text
                  value: Cell B
  columns:
    - type: Column