static const uint32_t to_ucs4[256] = {
  [0x01] = 0x0001,
  [0x02] = 0x0002,
  [0x03] = 0x0003,
  [0x04] = 0x0004,
  [0x05] = 0x0005,
  [0x06] = 0x0006,
  [0x07] = 0x0007,
  [0x08] = 0x0008,
  [0x09] = 0x0009,
  [0x0a] = 0x000A,
  [0x0b] = 0x000B,
  [0x0c] = 0x000C,
  [0x0d] = 0x000D,
  [0x0e] = 0x000E,
  [0x0f] = 0x000F,
  [0x10] = 0x0010,
  [0x11] = 0x0011,
  [0x12] = 0x0012,
  [0x13] = 0x0013,
  [0x14] = 0x0014,
  [0x15] = 0x0015,
  [0x16] = 0x0016,
  [0x17] = 0x0017,
  [0x18] = 0x0018,
  [0x19] = 0x0019,
  [0x1a] = 0x001A,
  [0x1b] = 0x001B,
  [0x1c] = 0x001C,
  [0x1d] = 0x001D,
  [0x1e] = 0x001E,
  [0x1f] = 0x001F,
  [0x20] = 0x0020,
  [0x21] = 0xE002,
  [0x22] = 0xE003,
  [0x23] = 0xE009,
  [0x24] = 0xE005,
  [0x25] = 0xE012,
  [0x26] = 0xE013,
  [0x27] = 0xE014,
  [0x30] = 0x00AB,
  [0x31] = 0x00BB,
  [0x32] = 0x201D,
  [0x33] = 0x201C,
  [0x34] = 0x0374,
  [0x35] = 0x0375,
  [0x3b] = 0x00B7,
  [0x3f] = 0x003B,
  [0x41] = 0x0391,
  [0x42] = 0x0392,
  [0x44] = 0x0393,
  [0x45] = 0x0394,
  [0x46] = 0x0395,
  [0x47] = 0x03DA,
  [0x48] = 0x03DC,
  [0x49] = 0x0396,
  [0x4a] = 0x0397,
  [0x4b] = 0x0398,
  [0x4c] = 0x0399,
  [0x4d] = 0x039A,
  [0x4e] = 0x039B,
  [0x4f] = 0x039C,
  [0x50] = 0x039D,
  [0x51] = 0x039E,
  [0x52] = 0x039F,
  [0x53] = 0x03A0,
  [0x54] = 0x03DE,
  [0x55] = 0x03A1,
  [0x56] = 0x03A3,
  [0x58] = 0x03A4,
  [0x59] = 0x03A5,
  [0x5a] = 0x03A6,
  [0x5b] = 0x03A7,
  [0x5c] = 0x03A8,
  [0x5d] = 0x03A9,
  [0x5e] = 0x03E0,
  [0x61] = 0x03B1,
  [0x62] = 0x03B2,
  [0x63] = 0x03D0,
  [0x64] = 0x03B3,
  [0x65] = 0x03B4,
  [0x66] = 0x03B5,
  [0x67] = 0x03DB,
  [0x68] = 0x03DD,
  [0x69] = 0x03B6,
  [0x6a] = 0x03B7,
  [0x6b] = 0x03B8,
  [0x6c] = 0x03B9,
  [0x6d] = 0x03BA,
  [0x6e] = 0x03BB,
  [0x6f] = 0x03BC,
  [0x70] = 0x03BD,
  [0x71] = 0x03BE,
  [0x72] = 0x03BF,
  [0x73] = 0x03C0,
  [0x74] = 0x03DF,
  [0x75] = 0x03C1,
  [0x76] = 0x03C3,
  [0x77] = 0x03C2,
  [0x78] = 0x03C4,
  [0x79] = 0x03C5,
  [0x7a] = 0x03C6,
  [0x7b] = 0x03C7,
  [0x7c] = 0x03C8,
  [0x7d] = 0x03C9,
  [0x7e] = 0x03E1,
  [0x7f] = 0x007F,
};
static const struct gap from_idx[] = {
  { .start = 0x0000, .end = 0x0020, .idx =     0 },
  { .start = 0x003b, .end = 0x003b, .idx =   -26 },
  { .start = 0x007f, .end = 0x007f, .idx =   -93 },
  { .start = 0x00ab, .end = 0x00ab, .idx =  -136 },
  { .start = 0x00b7, .end = 0x00bb, .idx =  -147 },
  { .start = 0x0374, .end = 0x0375, .idx =  -843 },
  { .start = 0x0391, .end = 0x03a9, .idx =  -870 },
  { .start = 0x03b1, .end = 0x03c9, .idx =  -877 },
  { .start = 0x03d0, .end = 0x03d0, .idx =  -883 },
  { .start = 0x03da, .end = 0x03e1, .idx =  -892 },
  { .start = 0x201c, .end = 0x201d, .idx = -8118 },
  { .start = 0xe002, .end = 0xe009, .idx = -57242 },
  { .start = 0xe012, .end = 0xe014, .idx = -57250 },
  { .start = 0xffff, .end = 0xffff, .idx =     0 }
};
static const char from_ucs4[] = {

  '\x00', '\x01', '\x02', '\x03', '\x04', '\x05', '\x06', '\x07',
  '\x08', '\x09', '\x0a', '\x0b', '\x0c', '\x0d', '\x0e', '\x0f',
  '\x10', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', '\x17',
  '\x18', '\x19', '\x1a', '\x1b', '\x1c', '\x1d', '\x1e', '\x1f',
  '\x20', '\x3f', '\x7f', '\x30', '\x3b', '\x00', '\x00', '\x00',
  '\x31', '\x34', '\x35', '\x41', '\x42', '\x44', '\x45', '\x46',
  '\x49', '\x4a', '\x4b', '\x4c', '\x4d', '\x4e', '\x4f', '\x50',
  '\x51', '\x52', '\x53', '\x55', '\x00', '\x56', '\x58', '\x59',
  '\x5a', '\x5b', '\x5c', '\x5d', '\x61', '\x62', '\x64', '\x65',
  '\x66', '\x69', '\x6a', '\x6b', '\x6c', '\x6d', '\x6e', '\x6f',
  '\x70', '\x71', '\x72', '\x73', '\x75', '\x77', '\x76', '\x78',
  '\x79', '\x7a', '\x7b', '\x7c', '\x7d', '\x63', '\x47', '\x67',
  '\x48', '\x68', '\x54', '\x74', '\x5e', '\x7e', '\x33', '\x32',
  '\x21', '\x22', '\x00', '\x24', '\x00', '\x00', '\x00', '\x23',
  '\x25', '\x26', '\x27',
};