ROOT@0..60
  DOCUMENT@0..60
    HEADING@0..8
      ATX_HEADING_MARKER@0..1
        ATX_HEADING_MARKER@0..1 "#"
      WHITESPACE@1..2 " "
      HEADING_CONTENT@2..6
        TEXT@2..6 "Math"
      NEWLINE@6..8 "\r\n"
    BLANK_LINE@8..10
      BLANK_LINE@8..10 "\r\n"
    PARAGRAPH@10..25
      DISPLAY_MATH@10..23
        DISPLAY_MATH_MARKER@10..12 "$$"
        TEXT@12..21 "\r\nx = y\r\n"
        DISPLAY_MATH_MARKER@21..23 "$$"
      NEWLINE@23..25 "\r\n"
    BLANK_LINE@25..27
      BLANK_LINE@25..27 "\r\n"
    PARAGRAPH@27..39
      TEXT@27..37 "More text."
      NEWLINE@37..39 "\r\n"
    BLANK_LINE@39..41
      BLANK_LINE@39..41 "\r\n"
    PARAGRAPH@41..60
      DISPLAY_MATH@41..58
        DISPLAY_MATH_MARKER@41..43 "$$"
        TEXT@43..56 "\r\na + b = c\r\n"
        DISPLAY_MATH_MARKER@56..58 "$$"
      NEWLINE@58..60 "\r\n"

