struct CaseMapping { uint16_t c1, c2, m2; };

static struct CaseMapping casemappings[] = {
    {0x0041, 0x005A, 0x007A}, // A a (26) LATIN CAPITAL LETTER A
    {0x00B5, 0x00B5, 0x03BC}, // µ μ ( 1) MICRO SIGN
    {0x00C0, 0x00D6, 0x00F6}, // À à (23) LATIN CAPITAL LETTER A WITH GRAVE
    {0x00D8, 0x00DE, 0x00FE}, // Ø ø ( 7) LATIN CAPITAL LETTER O WITH STROKE
    {0x0100, 0x012E, 0x012F}, // Ā ā (24) LATIN CAPITAL LETTER A WITH MACRON
    {0x0132, 0x0136, 0x0137}, // IJ ij ( 3) LATIN CAPITAL LIGATURE IJ
    {0x0139, 0x0147, 0x0148}, // Ĺ ĺ ( 8) LATIN CAPITAL LETTER L WITH ACUTE
    {0x014A, 0x0176, 0x0177}, // Ŋ ŋ (23) LATIN CAPITAL LETTER ENG
    {0x0178, 0x0178, 0x00FF}, // Ÿ ÿ ( 1) LATIN CAPITAL LETTER Y WITH DIAERESIS
    {0x0179, 0x017D, 0x017E}, // Ź ź ( 3) LATIN CAPITAL LETTER Z WITH ACUTE
    {0x017F, 0x017F, 0x0073}, // ſ s ( 1) LATIN SMALL LETTER LONG S
    {0x0181, 0x0181, 0x0253}, // Ɓ ɓ ( 1) LATIN CAPITAL LETTER B WITH HOOK
    {0x0182, 0x0184, 0x0185}, // Ƃ ƃ ( 2) LATIN CAPITAL LETTER B WITH TOPBAR
    {0x0186, 0x0186, 0x0254}, // Ɔ ɔ ( 1) LATIN CAPITAL LETTER OPEN O
    {0x0187, 0x0187, 0x0188}, // Ƈ ƈ ( 1) LATIN CAPITAL LETTER C WITH HOOK
    {0x0189, 0x018A, 0x0257}, // Ɖ ɖ ( 2) LATIN CAPITAL LETTER AFRICAN D
    {0x018B, 0x018B, 0x018C}, // Ƌ ƌ ( 1) LATIN CAPITAL LETTER D WITH TOPBAR
    {0x018E, 0x018E, 0x01DD}, // Ǝ ǝ ( 1) LATIN CAPITAL LETTER REVERSED E
    {0x018F, 0x018F, 0x0259}, // Ə ə ( 1) LATIN CAPITAL LETTER SCHWA
    {0x0190, 0x0190, 0x025B}, // Ɛ ɛ ( 1) LATIN CAPITAL LETTER OPEN E
    {0x0191, 0x0191, 0x0192}, // Ƒ ƒ ( 1) LATIN CAPITAL LETTER F WITH HOOK
    {0x0193, 0x0193, 0x0260}, // Ɠ ɠ ( 1) LATIN CAPITAL LETTER G WITH HOOK
    {0x0194, 0x0194, 0x0263}, // Ɣ ɣ ( 1) LATIN CAPITAL LETTER GAMMA
    {0x0196, 0x0196, 0x0269}, // Ɩ ɩ ( 1) LATIN CAPITAL LETTER IOTA
    {0x0197, 0x0197, 0x0268}, // Ɨ ɨ ( 1) LATIN CAPITAL LETTER I WITH STROKE
    {0x0198, 0x0198, 0x0199}, // Ƙ ƙ ( 1) LATIN CAPITAL LETTER K WITH HOOK
    {0x019C, 0x019C, 0x026F}, // Ɯ ɯ ( 1) LATIN CAPITAL LETTER TURNED M
    {0x019D, 0x019D, 0x0272}, // Ɲ ɲ ( 1) LATIN CAPITAL LETTER N WITH LEFT HOOK
    {0x019F, 0x019F, 0x0275}, // Ɵ ɵ ( 1) LATIN CAPITAL LETTER O WITH MIDDLE TILDE
    {0x01A0, 0x01A4, 0x01A5}, // Ơ ơ ( 3) LATIN CAPITAL LETTER O WITH HORN
    {0x01A6, 0x01A6, 0x0280}, // Ʀ ʀ ( 1) LATIN LETTER YR
    {0x01A7, 0x01A7, 0x01A8}, // Ƨ ƨ ( 1) LATIN CAPITAL LETTER TONE TWO
    {0x01A9, 0x01A9, 0x0283}, // Ʃ ʃ ( 1) LATIN CAPITAL LETTER ESH
    {0x01AC, 0x01AC, 0x01AD}, // Ƭ ƭ ( 1) LATIN CAPITAL LETTER T WITH HOOK
    {0x01AE, 0x01AE, 0x0288}, // Ʈ ʈ ( 1) LATIN CAPITAL LETTER T WITH RETROFLEX HOOK
    {0x01AF, 0x01AF, 0x01B0}, // Ư ư ( 1) LATIN CAPITAL LETTER U WITH HORN
    {0x01B1, 0x01B2, 0x028B}, // Ʊ ʊ ( 2) LATIN CAPITAL LETTER UPSILON
    {0x01B3, 0x01B5, 0x01B6}, // Ƴ ƴ ( 2) LATIN CAPITAL LETTER Y WITH HOOK
    {0x01B7, 0x01B7, 0x0292}, // Ʒ ʒ ( 1) LATIN CAPITAL LETTER EZH
    {0x01B8, 0x01B8, 0x01B9}, // Ƹ ƹ ( 1) LATIN CAPITAL LETTER EZH REVERSED
    {0x01BC, 0x01BC, 0x01BD}, // Ƽ ƽ ( 1) LATIN CAPITAL LETTER TONE FIVE
    {0x01C4, 0x01C4, 0x01C6}, // DŽ dž ( 1) LATIN CAPITAL LETTER DZ WITH CARON
    {0x01C5, 0x01C5, 0x01C6}, // Dž dž ( 1) LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON
    {0x01C7, 0x01C7, 0x01C9}, // LJ lj ( 1) LATIN CAPITAL LETTER LJ
    {0x01C8, 0x01C8, 0x01C9}, // Lj lj ( 1) LATIN CAPITAL LETTER L WITH SMALL LETTER J
    {0x01CA, 0x01CA, 0x01CC}, // NJ nj ( 1) LATIN CAPITAL LETTER NJ
    {0x01CB, 0x01DB, 0x01DC}, // Nj nj ( 9) LATIN CAPITAL LETTER N WITH SMALL LETTER J
    {0x01DE, 0x01EE, 0x01EF}, // Ǟ ǟ ( 9) LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON
    {0x01F1, 0x01F1, 0x01F3}, // DZ dz ( 1) LATIN CAPITAL LETTER DZ
    {0x01F2, 0x01F4, 0x01F5}, // Dz dz ( 2) LATIN CAPITAL LETTER D WITH SMALL LETTER Z
    {0x01F6, 0x01F6, 0x0195}, // Ƕ ƕ ( 1) LATIN CAPITAL LETTER HWAIR
    {0x01F7, 0x01F7, 0x01BF}, // Ƿ ƿ ( 1) LATIN CAPITAL LETTER WYNN
    {0x01F8, 0x021E, 0x021F}, // Ǹ ǹ (20) LATIN CAPITAL LETTER N WITH GRAVE
    {0x0220, 0x0220, 0x019E}, // Ƞ ƞ ( 1) LATIN CAPITAL LETTER N WITH LONG RIGHT LEG
    {0x0222, 0x0232, 0x0233}, // Ȣ ȣ ( 9) LATIN CAPITAL LETTER OU
    {0x023A, 0x023A, 0x2C65}, // Ⱥ ⱥ ( 1) LATIN CAPITAL LETTER A WITH STROKE
    {0x023B, 0x023B, 0x023C}, // Ȼ ȼ ( 1) LATIN CAPITAL LETTER C WITH STROKE
    {0x023D, 0x023D, 0x019A}, // Ƚ ƚ ( 1) LATIN CAPITAL LETTER L WITH BAR
    {0x023E, 0x023E, 0x2C66}, // Ⱦ ⱦ ( 1) LATIN CAPITAL LETTER T WITH DIAGONAL STROKE
    {0x0241, 0x0241, 0x0242}, // Ɂ ɂ ( 1) LATIN CAPITAL LETTER GLOTTAL STOP
    {0x0243, 0x0243, 0x0180}, // Ƀ ƀ ( 1) LATIN CAPITAL LETTER B WITH STROKE
    {0x0244, 0x0244, 0x0289}, // Ʉ ʉ ( 1) LATIN CAPITAL LETTER U BAR
    {0x0245, 0x0245, 0x028C}, // Ʌ ʌ ( 1) LATIN CAPITAL LETTER TURNED V
    {0x0246, 0x024E, 0x024F}, // Ɇ ɇ ( 5) LATIN CAPITAL LETTER E WITH STROKE
    {0x0345, 0x0345, 0x03B9}, // ͅ ι ( 1) COMBINING GREEK YPOGEGRAMMENI
    {0x0370, 0x0372, 0x0373}, // Ͱ ͱ ( 2) GREEK CAPITAL LETTER HETA
    {0x0376, 0x0376, 0x0377}, // Ͷ ͷ ( 1) GREEK CAPITAL LETTER PAMPHYLIAN DIGAMMA
    {0x037F, 0x037F, 0x03F3}, // Ϳ ϳ ( 1) GREEK CAPITAL LETTER YOT
    {0x0386, 0x0386, 0x03AC}, // Ά ά ( 1) GREEK CAPITAL LETTER ALPHA WITH TONOS
    {0x0388, 0x038A, 0x03AF}, // Έ έ ( 3) GREEK CAPITAL LETTER EPSILON WITH TONOS
    {0x038C, 0x038C, 0x03CC}, // Ό ό ( 1) GREEK CAPITAL LETTER OMICRON WITH TONOS
    {0x038E, 0x038F, 0x03CE}, // Ύ ύ ( 2) GREEK CAPITAL LETTER UPSILON WITH TONOS
    {0x0391, 0x03A1, 0x03C1}, // Α α (17) GREEK CAPITAL LETTER ALPHA
    {0x03A3, 0x03AB, 0x03CB}, // Σ σ ( 9) GREEK CAPITAL LETTER SIGMA
    {0x03C2, 0x03C2, 0x03C3}, // ς σ ( 1) GREEK SMALL LETTER FINAL SIGMA
    {0x03CF, 0x03CF, 0x03D7}, // Ϗ ϗ ( 1) GREEK CAPITAL KAI SYMBOL
    {0x03D0, 0x03D0, 0x03B2}, // ϐ β ( 1) GREEK BETA SYMBOL
    {0x03D1, 0x03D1, 0x03B8}, // ϑ θ ( 1) GREEK THETA SYMBOL
    {0x03D5, 0x03D5, 0x03C6}, // ϕ φ ( 1) GREEK PHI SYMBOL
    {0x03D6, 0x03D6, 0x03C0}, // ϖ π ( 1) GREEK PI SYMBOL
    {0x03D8, 0x03EE, 0x03EF}, // Ϙ ϙ (12) GREEK LETTER ARCHAIC KOPPA
    {0x03F0, 0x03F0, 0x03BA}, // ϰ κ ( 1) GREEK KAPPA SYMBOL
    {0x03F1, 0x03F1, 0x03C1}, // ϱ ρ ( 1) GREEK RHO SYMBOL
    {0x03F4, 0x03F4, 0x03B8}, // ϴ θ ( 1) GREEK CAPITAL THETA SYMBOL
    {0x03F5, 0x03F5, 0x03B5}, // ϵ ε ( 1) GREEK LUNATE EPSILON SYMBOL
    {0x03F7, 0x03F7, 0x03F8}, // Ϸ ϸ ( 1) GREEK CAPITAL LETTER SHO
    {0x03F9, 0x03F9, 0x03F2}, // Ϲ ϲ ( 1) GREEK CAPITAL LUNATE SIGMA SYMBOL
    {0x03FA, 0x03FA, 0x03FB}, // Ϻ ϻ ( 1) GREEK CAPITAL LETTER SAN
    {0x03FD, 0x03FF, 0x037D}, // Ͻ ͻ ( 3) GREEK CAPITAL REVERSED LUNATE SIGMA SYMBOL
    {0x0400, 0x040F, 0x045F}, // Ѐ ѐ (16) CYRILLIC CAPITAL LETTER IE WITH GRAVE
    {0x0410, 0x042F, 0x044F}, // А а (32) CYRILLIC CAPITAL LETTER A
    {0x0460, 0x0480, 0x0481}, // Ѡ ѡ (17) CYRILLIC CAPITAL LETTER OMEGA
    {0x048A, 0x04BE, 0x04BF}, // Ҋ ҋ (27) CYRILLIC CAPITAL LETTER SHORT I WITH TAIL
    {0x04C0, 0x04C0, 0x04CF}, // Ӏ ӏ ( 1) CYRILLIC LETTER PALOCHKA
    {0x04C1, 0x04CD, 0x04CE}, // Ӂ ӂ ( 7) CYRILLIC CAPITAL LETTER ZHE WITH BREVE
    {0x04D0, 0x052E, 0x052F}, // Ӑ ӑ (48) CYRILLIC CAPITAL LETTER A WITH BREVE
    {0x0531, 0x0556, 0x0586}, // Ա ա (38) ARMENIAN CAPITAL LETTER AYB
    {0x10A0, 0x10C5, 0x2D25}, // Ⴀ ⴀ (38) GEORGIAN CAPITAL LETTER AN
    {0x10C7, 0x10C7, 0x2D27}, // Ⴧ ⴧ ( 1) GEORGIAN CAPITAL LETTER YN
    {0x10CD, 0x10CD, 0x2D2D}, // Ⴭ ⴭ ( 1) GEORGIAN CAPITAL LETTER AEN
    {0x13F8, 0x13FD, 0x13F5}, // ᏸ Ᏸ ( 6) CHEROKEE SMALL LETTER YE
    {0x1C80, 0x1C80, 0x0432}, // ᲀ в ( 1) CYRILLIC SMALL LETTER ROUNDED VE
    {0x1C81, 0x1C81, 0x0434}, // ᲁ д ( 1) CYRILLIC SMALL LETTER LONG-LEGGED DE
    {0x1C82, 0x1C82, 0x043E}, // ᲂ о ( 1) CYRILLIC SMALL LETTER NARROW O
    {0x1C83, 0x1C84, 0x0442}, // ᲃ с ( 2) CYRILLIC SMALL LETTER WIDE ES
    {0x1C85, 0x1C85, 0x0442}, // ᲅ т ( 1) CYRILLIC SMALL LETTER THREE-LEGGED TE
    {0x1C86, 0x1C86, 0x044A}, // ᲆ ъ ( 1) CYRILLIC SMALL LETTER TALL HARD SIGN
    {0x1C87, 0x1C87, 0x0463}, // ᲇ ѣ ( 1) CYRILLIC SMALL LETTER TALL YAT
    {0x1C88, 0x1C88, 0xA64B}, // ᲈ ꙋ ( 1) CYRILLIC SMALL LETTER UNBLENDED UK
    {0x1C90, 0x1CBA, 0x10FA}, // Ა ა (43) GEORGIAN MTAVRULI CAPITAL LETTER AN
    {0x1CBD, 0x1CBF, 0x10FF}, // Ჽ ჽ ( 3) GEORGIAN MTAVRULI CAPITAL LETTER AEN
    {0x1E00, 0x1E94, 0x1E95}, // Ḁ ḁ (75) LATIN CAPITAL LETTER A WITH RING BELOW
    {0x1E9B, 0x1E9B, 0x1E61}, // ẛ ṡ ( 1) LATIN SMALL LETTER LONG S WITH DOT ABOVE
    {0x1E9E, 0x1E9E, 0x00DF}, // ẞ ß ( 1) LATIN CAPITAL LETTER SHARP S
    {0x1EA0, 0x1EFE, 0x1EFF}, // Ạ ạ (48) LATIN CAPITAL LETTER A WITH DOT BELOW
    {0x1F08, 0x1F0F, 0x1F07}, // Ἀ ἀ ( 8) GREEK CAPITAL LETTER ALPHA WITH PSILI
    {0x1F18, 0x1F1D, 0x1F15}, // Ἐ ἐ ( 6) GREEK CAPITAL LETTER EPSILON WITH PSILI
    {0x1F28, 0x1F2F, 0x1F27}, // Ἠ ἠ ( 8) GREEK CAPITAL LETTER ETA WITH PSILI
    {0x1F38, 0x1F3F, 0x1F37}, // Ἰ ἰ ( 8) GREEK CAPITAL LETTER IOTA WITH PSILI
    {0x1F48, 0x1F4D, 0x1F45}, // Ὀ ὀ ( 6) GREEK CAPITAL LETTER OMICRON WITH PSILI
    {0x1F59, 0x1F5F, 0x1F57}, // Ὑ ὑ ( 7) GREEK CAPITAL LETTER UPSILON WITH DASIA
    {0x1F68, 0x1F6F, 0x1F67}, // Ὠ ὠ ( 8) GREEK CAPITAL LETTER OMEGA WITH PSILI
    {0x1F88, 0x1F8F, 0x1F87}, // ᾈ ᾀ ( 8) GREEK CAPITAL LETTER ALPHA WITH PSILI AND PROSGEGRAMMENI
    {0x1F98, 0x1F9F, 0x1F97}, // ᾘ ᾐ ( 8) GREEK CAPITAL LETTER ETA WITH PSILI AND PROSGEGRAMMENI
    {0x1FA8, 0x1FAF, 0x1FA7}, // ᾨ ᾠ ( 8) GREEK CAPITAL LETTER OMEGA WITH PSILI AND PROSGEGRAMMENI
    {0x1FB8, 0x1FB9, 0x1FB1}, // Ᾰ ᾰ ( 2) GREEK CAPITAL LETTER ALPHA WITH VRACHY
    {0x1FBA, 0x1FBB, 0x1F71}, // Ὰ ὰ ( 2) GREEK CAPITAL LETTER ALPHA WITH VARIA
    {0x1FBC, 0x1FBC, 0x1FB3}, // ᾼ ᾳ ( 1) GREEK CAPITAL LETTER ALPHA WITH PROSGEGRAMMENI
    {0x1FBE, 0x1FBE, 0x03B9}, // ι ι ( 1) GREEK PROSGEGRAMMENI
    {0x1FC8, 0x1FCB, 0x1F75}, // Ὲ ὲ ( 4) GREEK CAPITAL LETTER EPSILON WITH VARIA
    {0x1FCC, 0x1FCC, 0x1FC3}, // ῌ ῃ ( 1) GREEK CAPITAL LETTER ETA WITH PROSGEGRAMMENI
    {0x1FD8, 0x1FD9, 0x1FD1}, // Ῐ ῐ ( 2) GREEK CAPITAL LETTER IOTA WITH VRACHY
    {0x1FDA, 0x1FDB, 0x1F77}, // Ὶ ὶ ( 2) GREEK CAPITAL LETTER IOTA WITH VARIA
    {0x1FE8, 0x1FE9, 0x1FE1}, // Ῠ ῠ ( 2) GREEK CAPITAL LETTER UPSILON WITH VRACHY
    {0x1FEA, 0x1FEB, 0x1F7B}, // Ὺ ὺ ( 2) GREEK CAPITAL LETTER UPSILON WITH VARIA
    {0x1FEC, 0x1FEC, 0x1FE5}, // Ῥ ῥ ( 1) GREEK CAPITAL LETTER RHO WITH DASIA
    {0x1FF8, 0x1FF9, 0x1F79}, // Ὸ ὸ ( 2) GREEK CAPITAL LETTER OMICRON WITH VARIA
    {0x1FFA, 0x1FFB, 0x1F7D}, // Ὼ ὼ ( 2) GREEK CAPITAL LETTER OMEGA WITH VARIA
    {0x1FFC, 0x1FFC, 0x1FF3}, // ῼ ῳ ( 1) GREEK CAPITAL LETTER OMEGA WITH PROSGEGRAMMENI
    {0x2126, 0x2126, 0x03C9}, // Ω ω ( 1) OHM SIGN
    {0x212A, 0x212A, 0x006B}, // K k ( 1) KELVIN SIGN
    {0x212B, 0x212B, 0x00E5}, // Å å ( 1) ANGSTROM SIGN
    {0x2132, 0x2132, 0x214E}, // Ⅎ ⅎ ( 1) TURNED CAPITAL F
    {0x2160, 0x216F, 0x217F}, // Ⅰ ⅰ (16) ROMAN NUMERAL ONE
    {0x2183, 0x2183, 0x2184}, // Ↄ ↄ ( 1) ROMAN NUMERAL REVERSED ONE HUNDRED
    {0x24B6, 0x24CF, 0x24E9}, // Ⓐ ⓐ (26) CIRCLED LATIN CAPITAL LETTER A
    {0x2C00, 0x2C2F, 0x2C5F}, // Ⰰ ⰰ (48) GLAGOLITIC CAPITAL LETTER AZU
    {0x2C60, 0x2C60, 0x2C61}, // Ⱡ ⱡ ( 1) LATIN CAPITAL LETTER L WITH DOUBLE BAR
    {0x2C62, 0x2C62, 0x026B}, // Ɫ ɫ ( 1) LATIN CAPITAL LETTER L WITH MIDDLE TILDE
    {0x2C63, 0x2C63, 0x1D7D}, // Ᵽ ᵽ ( 1) LATIN CAPITAL LETTER P WITH STROKE
    {0x2C64, 0x2C64, 0x027D}, // Ɽ ɽ ( 1) LATIN CAPITAL LETTER R WITH TAIL
    {0x2C67, 0x2C6B, 0x2C6C}, // Ⱨ ⱨ ( 3) LATIN CAPITAL LETTER H WITH DESCENDER
    {0x2C6D, 0x2C6D, 0x0251}, // Ɑ ɑ ( 1) LATIN CAPITAL LETTER ALPHA
    {0x2C6E, 0x2C6E, 0x0271}, // Ɱ ɱ ( 1) LATIN CAPITAL LETTER M WITH HOOK
    {0x2C6F, 0x2C6F, 0x0250}, // Ɐ ɐ ( 1) LATIN CAPITAL LETTER TURNED A
    {0x2C70, 0x2C70, 0x0252}, // Ɒ ɒ ( 1) LATIN CAPITAL LETTER TURNED ALPHA
    {0x2C72, 0x2C72, 0x2C73}, // Ⱳ ⱳ ( 1) LATIN CAPITAL LETTER W WITH HOOK
    {0x2C75, 0x2C75, 0x2C76}, // Ⱶ ⱶ ( 1) LATIN CAPITAL LETTER HALF H
    {0x2C7E, 0x2C7F, 0x0240}, // Ȿ ȿ ( 2) LATIN CAPITAL LETTER S WITH SWASH TAIL
    {0x2C80, 0x2CE2, 0x2CE3}, // Ⲁ ⲁ (50) COPTIC CAPITAL LETTER ALFA
    {0x2CEB, 0x2CED, 0x2CEE}, // Ⳬ ⳬ ( 2) COPTIC CAPITAL LETTER CRYPTOGRAMMIC SHEI
    {0x2CF2, 0x2CF2, 0x2CF3}, // Ⳳ ⳳ ( 1) COPTIC CAPITAL LETTER BOHAIRIC KHEI
    {0xA640, 0xA66C, 0xA66D}, // Ꙁ ꙁ (23) CYRILLIC CAPITAL LETTER ZEMLYA
    {0xA680, 0xA69A, 0xA69B}, // Ꚁ ꚁ (14) CYRILLIC CAPITAL LETTER DWE
    {0xA722, 0xA72E, 0xA72F}, // Ꜣ ꜣ ( 7) LATIN CAPITAL LETTER EGYPTOLOGICAL ALEF
    {0xA732, 0xA76E, 0xA76F}, // Ꜳ ꜳ (31) LATIN CAPITAL LETTER AA
    {0xA779, 0xA77B, 0xA77C}, // Ꝺ ꝺ ( 2) LATIN CAPITAL LETTER INSULAR D
    {0xA77D, 0xA77D, 0x1D79}, // Ᵹ ᵹ ( 1) LATIN CAPITAL LETTER INSULAR G
    {0xA77E, 0xA786, 0xA787}, // Ꝿ ꝿ ( 5) LATIN CAPITAL LETTER TURNED INSULAR G
    {0xA78B, 0xA78B, 0xA78C}, // Ꞌ ꞌ ( 1) LATIN CAPITAL LETTER SALTILLO
    {0xA78D, 0xA78D, 0x0265}, // Ɥ ɥ ( 1) LATIN CAPITAL LETTER TURNED H
    {0xA790, 0xA792, 0xA793}, // Ꞑ ꞑ ( 2) LATIN CAPITAL LETTER N WITH DESCENDER
    {0xA796, 0xA7A8, 0xA7A9}, // Ꞗ ꞗ (10) LATIN CAPITAL LETTER B WITH FLOURISH
    {0xA7AA, 0xA7AA, 0x0266}, // Ɦ ɦ ( 1) LATIN CAPITAL LETTER H WITH HOOK
    {0xA7AB, 0xA7AB, 0x025C}, // Ɜ ɜ ( 1) LATIN CAPITAL LETTER REVERSED OPEN E
    {0xA7AC, 0xA7AC, 0x0261}, // Ɡ ɡ ( 1) LATIN CAPITAL LETTER SCRIPT G
    {0xA7AD, 0xA7AD, 0x026C}, // Ɬ ɬ ( 1) LATIN CAPITAL LETTER L WITH BELT
    {0xA7AE, 0xA7AE, 0x026A}, // Ɪ ɪ ( 1) LATIN CAPITAL LETTER SMALL CAPITAL I
    {0xA7B0, 0xA7B0, 0x029E}, // Ʞ ʞ ( 1) LATIN CAPITAL LETTER TURNED K
    {0xA7B1, 0xA7B1, 0x0287}, // Ʇ ʇ ( 1) LATIN CAPITAL LETTER TURNED T
    {0xA7B2, 0xA7B2, 0x029D}, // Ʝ ʝ ( 1) LATIN CAPITAL LETTER J WITH CROSSED-TAIL
    {0xA7B3, 0xA7B3, 0xAB53}, // Ꭓ ꭓ ( 1) LATIN CAPITAL LETTER CHI
    {0xA7B4, 0xA7C2, 0xA7C3}, // Ꞵ ꞵ ( 8) LATIN CAPITAL LETTER BETA
    {0xA7C4, 0xA7C4, 0xA794}, // Ꞔ ꞔ ( 1) LATIN CAPITAL LETTER C WITH PALATAL HOOK
    {0xA7C5, 0xA7C5, 0x0282}, // Ʂ ʂ ( 1) LATIN CAPITAL LETTER S WITH HOOK
    {0xA7C6, 0xA7C6, 0x1D8E}, // Ᶎ ᶎ ( 1) LATIN CAPITAL LETTER Z WITH PALATAL HOOK
    {0xA7C7, 0xA7C9, 0xA7CA}, // Ꟈ ꟈ ( 2) LATIN CAPITAL LETTER D WITH SHORT STROKE OVERLAY
    {0xA7D0, 0xA7D0, 0xA7D1}, // Ꟑ ꟑ ( 1) LATIN CAPITAL LETTER CLOSED INSULAR G
    {0xA7D6, 0xA7D8, 0xA7D9}, // Ꟗ ꟗ ( 2) LATIN CAPITAL LETTER MIDDLE SCOTS S
    {0xA7F5, 0xA7F5, 0xA7F6}, // Ꟶ ꟶ ( 1) LATIN CAPITAL LETTER REVERSED HALF H
    {0xAB70, 0xABBF, 0x13EF}, // ꭰ Ꭰ (80) CHEROKEE SMALL LETTER A
    {0xFF21, 0xFF3A, 0xFF5A}, // Ａ ａ (26) FULLWIDTH LATIN CAPITAL LETTER A
    {0x0130, 0x0130, 0x0069}, // İ i ( 1) LATIN CAPITAL LETTER I WITH DOT ABOVE
    {0x01CD, 0x01DB, 0x01DC}, // Ǎ ǎ ( 8) LATIN CAPITAL LETTER A WITH CARON
    {0x01F4, 0x01F4, 0x01F5}, // Ǵ ǵ ( 1) LATIN CAPITAL LETTER G WITH ACUTE
    {0x13A0, 0x13EF, 0xABBF}, // Ꭰ ꭰ (80) CHEROKEE LETTER A
    {0x13F0, 0x13F5, 0x13FD}, // Ᏸ ᏸ ( 6) CHEROKEE LETTER YE
    {0x039C, 0x039C, 0x00B5}, // Μ µ ( 1) 
    {0x0049, 0x0049, 0x0131}, // I ı ( 1) 
    {0x0053, 0x0053, 0x017F}, // S ſ ( 1) 
    {0x03A3, 0x03A3, 0x03C2}, // Σ ς ( 1) 
    {0x0392, 0x0392, 0x03D0}, // Β ϐ ( 1) 
    {0x0398, 0x0398, 0x03D1}, // Θ ϑ ( 1) 
    {0x03A6, 0x03A6, 0x03D5}, // Φ ϕ ( 1) 
    {0x03A0, 0x03A0, 0x03D6}, // Π ϖ ( 1) 
    {0x039A, 0x039A, 0x03F0}, // Κ ϰ ( 1) 
    {0x03A1, 0x03A1, 0x03F1}, // Ρ ϱ ( 1) 
    {0x0395, 0x0395, 0x03F5}, // Ε ϵ ( 1) 
    {0x0412, 0x0412, 0x1C80}, // В ᲀ ( 1) 
    {0x0414, 0x0414, 0x1C81}, // Д ᲁ ( 1) 
    {0x041E, 0x041E, 0x1C82}, // О ᲂ ( 1) 
    {0x0421, 0x0422, 0x1C84}, // С ᲃ ( 2) 
    {0x0422, 0x0422, 0x1C85}, // Т ᲅ ( 1) 
    {0x042A, 0x042A, 0x1C86}, // Ъ ᲆ ( 1) 
    {0x0462, 0x0462, 0x1C87}, // Ѣ ᲇ ( 1) 
    {0xA64A, 0xA64A, 0x1C88}, // Ꙋ ᲈ ( 1) 
    {0x1E60, 0x1E60, 0x1E9B}, // Ṡ ẛ ( 1) 
    {0x0399, 0x0399, 0x1FBE}, // Ι ι ( 1) 
}; // 218

enum { casefold_len = 192 };

static uint8_t upcase_ind[162] = {
    0, 2, 3, 4, 192, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
    21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
    41, 43, 45, 193, 47, 48, 194, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62,
    63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 75, 80, 83, 85, 86, 87, 88, 89, 90, 91,
    92, 93, 94, 95, 96, 97, 98, 99, 195, 196, 109, 110, 111, 113, 114, 115, 116, 117, 118, 119,
    120, 121, 125, 126, 129, 131, 132, 133, 134, 135, 136, 137, 139, 140, 141, 142, 144, 146, 147, 148,
    149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168,
    169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188,
    189, 191,
};

static uint8_t lowcase_ind[184] = {
    0, 197, 113, 2, 3, 8, 4, 198, 5, 6, 7, 9, 199, 60, 12, 14, 16, 20, 50, 25,
    57, 53, 29, 31, 33, 35, 37, 39, 40, 51, 41, 43, 45, 193, 17, 47, 48, 194, 52, 54,
    56, 158, 59, 63, 154, 152, 155, 11, 13, 15, 18, 19, 174, 21, 175, 22, 170, 173, 24, 23,
    177, 148, 176, 26, 153, 27, 28, 150, 30, 184, 32, 179, 34, 61, 36, 62, 38, 180, 178, 65,
    66, 88, 68, 69, 72, 200, 73, 70, 71, 201, 202, 203, 204, 75, 80, 205, 206, 86, 67, 207,
    85, 87, 90, 89, 91, 92, 94, 93, 95, 96, 109, 110, 196, 208, 209, 210, 211, 212, 213, 214,
    215, 167, 149, 185, 111, 216, 114, 115, 116, 117, 118, 119, 120, 121, 126, 129, 132, 136, 134, 137,
    122, 123, 124, 125, 127, 217, 130, 131, 133, 135, 138, 142, 144, 146, 147, 55, 58, 151, 156, 157,
    159, 160, 161, 97, 98, 99, 162, 163, 164, 165, 166, 168, 169, 171, 183, 172, 182, 186, 187, 188,
    189, 181, 195, 191,
};