@Type{ascii,
  field = {ABCDEFG tuvwxyz},
}
@Type{ascii-a,
  field = {{AB}CDEFG tuvwx{yz}},
}
@Type{ascii-b,
  field = {{{AB}CD}EFG tuv{wx{yz}}},
}

@Type{latin1,
  field = {ЕЗИОШЬЭ~езиошьэ},
}
@Type{latin1-b,
  field = {{{ЕЗ}ИО}ШЬЭ~ези{ош{ьэ}}},
}

@Type{brace-backslash1,
  field = "{\a}Ее{\b}Жж{\c}Зз",
}