Table rows have to start and end with a ''|'' for normal rows or a ''^'' for headers.

  ^ Heading 1      ^ Heading 2       ^ Heading 3          ^
  | Row 1 Col 1    | Row 1 Col 2     | Row 1 Col 3        |
  | Row 2 Col 1    | some colspan (note the double pipe) ||
  | Row 3 Col 1    | Row 2 Col 2     | Row 2 Col 3        |

