ROOT@0..35
  DOCUMENT@0..35
    Heading@0..11
      AtxHeadingMarker@0..1
        AtxHeadingMarker@0..1 "#"
      WHITESPACE@1..2 " "
      HeadingContent@2..9
        TEXT@2..9 "Heading"
      NEWLINE@9..11 "\r\n"
    BlankLine@11..13
      BlankLine@11..13 "\r\n"
    PARAGRAPH@13..35
      TEXT@13..33 "This is a paragraph."
      NEWLINE@33..35 "\r\n"

