==================
empty cart skeleton
==================

pico-8 cartridge // http://www.pico-8.com
version 42
__lua__
__gfx__
__map__
__sfx__
__music__

---

(cartridge
  (header)
  (version)
  (section (lua_section (lua_marker)))
  (section (gfx_section (gfx_marker)))
  (section (map_section (map_marker)))
  (section (sfx_section (sfx_marker)))
  (section (music_section (music_marker))))

==================
cart with lua content
==================

pico-8 cartridge // http://www.pico-8.com
version 42
__lua__
function _draw()
 cls()
end
__gfx__
00000000

---

(cartridge
  (header)
  (version)
  (section
    (lua_section
      (lua_marker)
      (lua_content
        (line)
        (line)
        (line))))
  (section
    (gfx_section
      (gfx_marker)
      (body
        (line)))))

==================
lua identifier resembling section marker
==================

pico-8 cartridge // http://www.pico-8.com
version 42
__lua__
local __foo__ = 1
local s = "__lua__"
__gfx__
00

---

(cartridge
  (header)
  (version)
  (section
    (lua_section
      (lua_marker)
      (lua_content
        (line)
        (line))))
  (section
    (gfx_section
      (gfx_marker)
      (body
        (line)))))

==================
unknown section name
==================

pico-8 cartridge // http://www.pico-8.com
version 42
__lua__
__future_section__
opaque body
__gfx__
00

---

(cartridge
  (header)
  (version)
  (section (lua_section (lua_marker)))
  (section
    (unknown_section
      (section_marker)
      (body (line))))
  (section
    (gfx_section
      (gfx_marker)
      (body (line)))))