language ""
country ""
variant ""
assumption
  language ""
  country ""
  variant ""
end assumption

# (language (@ 1 0-8) ‘""’)
# (country (@ 2 0-7) ‘""’)
# (variant (@ 3 0-7) ‘""’)
# (assumption (@ 4 0-10)
#   (.inner
#     (language (@ 5 2-10) ‘""’)
#     (country (@ 6 2-9) ‘""’)
#     (variant (@ 7 2-9) ‘""’)
#   )
# )
# :1:0–8: error: information outside information clause
#  language ""
#  ^^^^^^^^
# :2:0–7: error: information outside information clause
#  country ""
#  ^^^^^^^
# :3:0–7: error: information outside information clause
#  variant ""
#  ^^^^^^^
# :5:2–10: error: information outside information clause
#    language ""
#    ^^^^^^^^
# :6:2–9: error: information outside information clause
#    country ""
#    ^^^^^^^
# :7:2–9: error: information outside information clause
#    variant ""
#    ^^^^^^^