mirror of
https://github.com/dlang/phobos.git
synced 2025-05-02 08:00:48 +03:00
468 lines
8.5 KiB
D
468 lines
8.5 KiB
D
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module std.uni;
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int isUniLower(dchar c)
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{
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if (c <= 0x7F)
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return (c >= 'a' && c <= 'z');
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return isUniAlpha(c) && c == toUniLower(c);
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}
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int isUniUpper(dchar c)
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{
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if (c <= 0x7F)
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return (c >= 'A' && c <= 'Z');
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return isUniAlpha(c) && c == toUniUpper(c);
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}
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dchar toUniLower(dchar c)
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{
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if (c >= 'A' && c <= 'Z')
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{
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c += 32;
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}
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if (c >= 0x00C0)
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{
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if ((c >= 0x00C0 && c <= 0x00D6) || (c >= 0x00D8 && c<=0x00DE))
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{
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c += 32;
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}
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else if ((c >= 0x0100 && c < 0x0138) || (c > 0x0149 && c < 0x0178))
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{
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if (c == 0x0130)
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c = 0x0069;
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else if ((c & 1) == 0)
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c += 1;
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}
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else if (c == 0x0178)
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{
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c = 0x00FF;
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}
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else if ((c >= 0x0139 && c < 0x0149) || (c > 0x0178 && c < 0x017F))
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{
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if (c & 1)
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c += 1;
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}
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else if (c >= 0x0200 && c <= 0x0217)
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{
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if ((c & 1) == 0)
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c += 1;
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}
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else if ((c >= 0x0401 && c <= 0x040C) || (c>= 0x040E && c <= 0x040F))
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{
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c += 80;
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}
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else if (c >= 0x0410 && c <= 0x042F)
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{
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c += 32;
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}
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else if (c >= 0x0460 && c <= 0x047F)
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{
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if ((c & 1) == 0)
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c += 1;
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}
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else if (c >= 0x0531 && c <= 0x0556)
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{
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c += 48;
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}
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else if (c >= 0x10A0 && c <= 0x10C5)
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{
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c += 48;
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}
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else if (c >= 0xFF21 && c <= 0xFF3A)
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{
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c += 32;
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}
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}
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return c;
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}
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dchar toUniUpper(dchar c)
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{
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if (c >= 'a' && c <= 'z')
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{
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c -= 32;
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}
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if (c >= 0x00E0)
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{
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if ((c >= 0x00E0 && c <= 0x00F6) || (c >= 0x00F8 && c <= 0x00FE))
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{
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c -= 32;
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}
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else if (c == 0x00FF)
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{
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c = 0x0178;
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}
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else if ((c >= 0x0100 && c < 0x0138) || (c > 0x0149 && c < 0x0178))
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{
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if (c == 0x0131)
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c = 0x0049;
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else if (c & 1)
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c -= 1;
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}
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else if ((c >= 0x0139 && c < 0x0149) || (c > 0x0178 && c < 0x017F))
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{
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if ((c & 1) == 0)
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c = c-1;
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}
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else if (c == 0x017F)
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{
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c = 0x0053;
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}
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else if (c >= 0x0200 && c <= 0x0217)
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{
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if (c & 1)
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c = c-1;
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}
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else if (c >= 0x0430 && c<= 0x044F)
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{
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c -= 32;
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}
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else if ((c >= 0x0451 && c <= 0x045C) || (c >=0x045E && c<= 0x045F))
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{
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c -= 80;
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}
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else if (c >= 0x0460 && c <= 0x047F)
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{
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if (c & 1)
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c -= 1;
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}
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else if (c >= 0x0561 && c < 0x0587)
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{
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c -= 48;
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}
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else if (c >= 0xFF41 && c <= 0xFF5A)
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{
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c -= 32;
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}
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}
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return c;
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}
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/*******************************
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* Return !=0 if unicode alpha.
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*/
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int isUniAlpha(dchar u)
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{
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static ushort table[][2] =
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[
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[ 'A', 'Z' ],
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[ 'a', 'z' ],
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[ 0x00AA, 0x00AA ],
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[ 0x00B5, 0x00B5 ],
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[ 0x00B7, 0x00B7 ],
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[ 0x00BA, 0x00BA ],
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[ 0x00C0, 0x00D6 ],
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[ 0x00D8, 0x00F6 ],
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[ 0x00F8, 0x01F5 ],
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[ 0x01FA, 0x0217 ],
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[ 0x0250, 0x02A8 ],
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[ 0x02B0, 0x02B8 ],
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[ 0x02BB, 0x02BB ],
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[ 0x02BD, 0x02C1 ],
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[ 0x02D0, 0x02D1 ],
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[ 0x02E0, 0x02E4 ],
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[ 0x037A, 0x037A ],
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[ 0x0386, 0x0386 ],
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[ 0x0388, 0x038A ],
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[ 0x038C, 0x038C ],
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[ 0x038E, 0x03A1 ],
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[ 0x03A3, 0x03CE ],
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[ 0x03D0, 0x03D6 ],
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[ 0x03DA, 0x03DA ],
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[ 0x03DC, 0x03DC ],
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[ 0x03DE, 0x03DE ],
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[ 0x03E0, 0x03E0 ],
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[ 0x03E2, 0x03F3 ],
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[ 0x0401, 0x040C ],
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[ 0x040E, 0x044F ],
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[ 0x0451, 0x045C ],
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[ 0x045E, 0x0481 ],
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[ 0x0490, 0x04C4 ],
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[ 0x04C7, 0x04C8 ],
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[ 0x04CB, 0x04CC ],
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[ 0x04D0, 0x04EB ],
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[ 0x04EE, 0x04F5 ],
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[ 0x04F8, 0x04F9 ],
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[ 0x0531, 0x0556 ],
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[ 0x0559, 0x0559 ],
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[ 0x0561, 0x0587 ],
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[ 0x05B0, 0x05B9 ],
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[ 0x05BB, 0x05BD ],
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[ 0x05BF, 0x05BF ],
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[ 0x05C1, 0x05C2 ],
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[ 0x05D0, 0x05EA ],
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[ 0x05F0, 0x05F2 ],
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[ 0x0621, 0x063A ],
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[ 0x0640, 0x0652 ],
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[ 0x0660, 0x0669 ],
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[ 0x0670, 0x06B7 ],
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[ 0x06BA, 0x06BE ],
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[ 0x06C0, 0x06CE ],
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[ 0x06D0, 0x06DC ],
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[ 0x06E5, 0x06E8 ],
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[ 0x06EA, 0x06ED ],
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[ 0x06F0, 0x06F9 ],
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[ 0x0901, 0x0903 ],
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[ 0x0905, 0x0939 ],
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[ 0x093D, 0x093D ],
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[ 0x093E, 0x094D ],
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[ 0x0950, 0x0952 ],
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[ 0x0958, 0x0963 ],
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[ 0x0966, 0x096F ],
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[ 0x0981, 0x0983 ],
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[ 0x0985, 0x098C ],
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[ 0x098F, 0x0990 ],
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[ 0x0993, 0x09A8 ],
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[ 0x09AA, 0x09B0 ],
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[ 0x09B2, 0x09B2 ],
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[ 0x09B6, 0x09B9 ],
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[ 0x09BE, 0x09C4 ],
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[ 0x09C7, 0x09C8 ],
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[ 0x09CB, 0x09CD ],
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[ 0x09DC, 0x09DD ],
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[ 0x09DF, 0x09E3 ],
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[ 0x09E6, 0x09EF ],
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[ 0x09F0, 0x09F1 ],
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[ 0x0A02, 0x0A02 ],
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[ 0x0A05, 0x0A0A ],
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[ 0x0A0F, 0x0A10 ],
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[ 0x0A13, 0x0A28 ],
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[ 0x0A2A, 0x0A30 ],
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[ 0x0A32, 0x0A33 ],
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[ 0x0A35, 0x0A36 ],
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[ 0x0A38, 0x0A39 ],
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[ 0x0A3E, 0x0A42 ],
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[ 0x0A47, 0x0A48 ],
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[ 0x0A4B, 0x0A4D ],
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[ 0x0A59, 0x0A5C ],
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[ 0x0A5E, 0x0A5E ],
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[ 0x0A66, 0x0A6F ],
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[ 0x0A74, 0x0A74 ],
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[ 0x0A81, 0x0A83 ],
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[ 0x0A85, 0x0A8B ],
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[ 0x0A8D, 0x0A8D ],
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[ 0x0A8F, 0x0A91 ],
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[ 0x0A93, 0x0AA8 ],
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[ 0x0AAA, 0x0AB0 ],
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[ 0x0AB2, 0x0AB3 ],
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[ 0x0AB5, 0x0AB9 ],
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[ 0x0ABD, 0x0AC5 ],
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[ 0x0AC7, 0x0AC9 ],
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[ 0x0ACB, 0x0ACD ],
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[ 0x0AD0, 0x0AD0 ],
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[ 0x0AE0, 0x0AE0 ],
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[ 0x0AE6, 0x0AEF ],
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[ 0x0B01, 0x0B03 ],
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[ 0x0B05, 0x0B0C ],
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[ 0x0B0F, 0x0B10 ],
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[ 0x0B13, 0x0B28 ],
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[ 0x0B2A, 0x0B30 ],
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[ 0x0B32, 0x0B33 ],
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[ 0x0B36, 0x0B39 ],
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[ 0x0B3D, 0x0B3D ],
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[ 0x0B3E, 0x0B43 ],
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[ 0x0B47, 0x0B48 ],
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[ 0x0B4B, 0x0B4D ],
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[ 0x0B5C, 0x0B5D ],
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[ 0x0B5F, 0x0B61 ],
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[ 0x0B66, 0x0B6F ],
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[ 0x0B82, 0x0B83 ],
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[ 0x0B85, 0x0B8A ],
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[ 0x0B8E, 0x0B90 ],
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[ 0x0B92, 0x0B95 ],
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[ 0x0B99, 0x0B9A ],
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[ 0x0B9C, 0x0B9C ],
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[ 0x0B9E, 0x0B9F ],
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[ 0x0BA3, 0x0BA4 ],
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[ 0x0BA8, 0x0BAA ],
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[ 0x0BAE, 0x0BB5 ],
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[ 0x0BB7, 0x0BB9 ],
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[ 0x0BBE, 0x0BC2 ],
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[ 0x0BC6, 0x0BC8 ],
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[ 0x0BCA, 0x0BCD ],
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[ 0x0BE7, 0x0BEF ],
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[ 0x0C01, 0x0C03 ],
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[ 0x0C05, 0x0C0C ],
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[ 0x0C0E, 0x0C10 ],
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[ 0x0C12, 0x0C28 ],
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[ 0x0C2A, 0x0C33 ],
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[ 0x0C35, 0x0C39 ],
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[ 0x0C3E, 0x0C44 ],
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[ 0x0C46, 0x0C48 ],
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[ 0x0C4A, 0x0C4D ],
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[ 0x0C60, 0x0C61 ],
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[ 0x0C66, 0x0C6F ],
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[ 0x0C82, 0x0C83 ],
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[ 0x0C85, 0x0C8C ],
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[ 0x0C8E, 0x0C90 ],
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[ 0x0C92, 0x0CA8 ],
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[ 0x0CAA, 0x0CB3 ],
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[ 0x0CB5, 0x0CB9 ],
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[ 0x0CBE, 0x0CC4 ],
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[ 0x0CC6, 0x0CC8 ],
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[ 0x0CCA, 0x0CCD ],
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[ 0x0CDE, 0x0CDE ],
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[ 0x0CE0, 0x0CE1 ],
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[ 0x0CE6, 0x0CEF ],
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[ 0x0D02, 0x0D03 ],
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[ 0x0D05, 0x0D0C ],
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[ 0x0D0E, 0x0D10 ],
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[ 0x0D12, 0x0D28 ],
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[ 0x0D2A, 0x0D39 ],
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[ 0x0D3E, 0x0D43 ],
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[ 0x0D46, 0x0D48 ],
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[ 0x0D4A, 0x0D4D ],
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[ 0x0D60, 0x0D61 ],
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[ 0x0D66, 0x0D6F ],
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[ 0x0E01, 0x0E3A ],
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[ 0x0E40, 0x0E5B ],
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// [ 0x0E50, 0x0E59 ], // Digits? Why does this overlap previous?
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[ 0x0E81, 0x0E82 ],
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[ 0x0E84, 0x0E84 ],
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[ 0x0E87, 0x0E88 ],
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[ 0x0E8A, 0x0E8A ],
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[ 0x0E8D, 0x0E8D ],
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[ 0x0E94, 0x0E97 ],
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[ 0x0E99, 0x0E9F ],
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[ 0x0EA1, 0x0EA3 ],
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[ 0x0EA5, 0x0EA5 ],
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[ 0x0EA7, 0x0EA7 ],
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[ 0x0EAA, 0x0EAB ],
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[ 0x0EAD, 0x0EAE ],
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[ 0x0EB0, 0x0EB9 ],
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[ 0x0EBB, 0x0EBD ],
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[ 0x0EC0, 0x0EC4 ],
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[ 0x0EC6, 0x0EC6 ],
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[ 0x0EC8, 0x0ECD ],
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[ 0x0ED0, 0x0ED9 ],
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[ 0x0EDC, 0x0EDD ],
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[ 0x0F00, 0x0F00 ],
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[ 0x0F18, 0x0F19 ],
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[ 0x0F20, 0x0F33 ],
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[ 0x0F35, 0x0F35 ],
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[ 0x0F37, 0x0F37 ],
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[ 0x0F39, 0x0F39 ],
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[ 0x0F3E, 0x0F47 ],
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[ 0x0F49, 0x0F69 ],
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[ 0x0F71, 0x0F84 ],
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[ 0x0F86, 0x0F8B ],
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[ 0x0F90, 0x0F95 ],
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[ 0x0F97, 0x0F97 ],
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[ 0x0F99, 0x0FAD ],
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[ 0x0FB1, 0x0FB7 ],
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[ 0x0FB9, 0x0FB9 ],
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[ 0x10A0, 0x10C5 ],
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[ 0x10D0, 0x10F6 ],
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[ 0x1E00, 0x1E9B ],
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[ 0x1EA0, 0x1EF9 ],
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[ 0x1F00, 0x1F15 ],
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[ 0x1F18, 0x1F1D ],
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[ 0x1F20, 0x1F45 ],
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[ 0x1F48, 0x1F4D ],
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[ 0x1F50, 0x1F57 ],
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[ 0x1F59, 0x1F59 ],
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[ 0x1F5B, 0x1F5B ],
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[ 0x1F5D, 0x1F5D ],
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[ 0x1F5F, 0x1F7D ],
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[ 0x1F80, 0x1FB4 ],
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[ 0x1FB6, 0x1FBC ],
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[ 0x1FBE, 0x1FBE ],
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[ 0x1FC2, 0x1FC4 ],
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[ 0x1FC6, 0x1FCC ],
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[ 0x1FD0, 0x1FD3 ],
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[ 0x1FD6, 0x1FDB ],
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[ 0x1FE0, 0x1FEC ],
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[ 0x1FF2, 0x1FF4 ],
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[ 0x1FF6, 0x1FFC ],
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[ 0x203F, 0x2040 ],
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[ 0x207F, 0x207F ],
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[ 0x2102, 0x2102 ],
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[ 0x2107, 0x2107 ],
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[ 0x210A, 0x2113 ],
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[ 0x2115, 0x2115 ],
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[ 0x2118, 0x211D ],
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[ 0x2124, 0x2124 ],
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[ 0x2126, 0x2126 ],
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[ 0x2128, 0x2128 ],
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[ 0x212A, 0x2131 ],
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[ 0x2133, 0x2138 ],
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[ 0x2160, 0x2182 ],
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[ 0x3005, 0x3007 ],
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[ 0x3021, 0x3029 ],
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[ 0x3041, 0x3093 ],
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[ 0x309B, 0x309C ],
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[ 0x30A1, 0x30F6 ],
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[ 0x30FB, 0x30FC ],
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[ 0x3105, 0x312C ],
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[ 0x4E00, 0x9FA5 ],
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[ 0xAC00, 0xD7A3 ],
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[ 0xFF21, 0xFF3A ],
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[ 0xFF41, 0xFF5A ],
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];
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debug
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{
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for (int i = 0; i < table.length; i++)
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{
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assert(table[i][0] <= table[i][1]);
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if (i < table.length - 1)
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{
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if (table[i][1] >= table[i + 1][0])
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printf("table[%d][1] = x%x, table[%d][0] = x%x\n", i, table[i][1], i + 1, table[i + 1][0]);
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assert(table[i][1] < table[i + 1][0]);
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}
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}
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}
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if (u > 0xD7A3 && u < 0xFF21)
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goto Lisnot;
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// Binary search
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uint mid;
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uint low;
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uint high;
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low = 0;
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high = table.length - 1;
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while (low <= high)
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{
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mid = (low + high) >> 1;
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if (u < table[mid][0])
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high = mid - 1;
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else if (u > table[mid][1])
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low = mid + 1;
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else
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goto Lis;
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}
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Lisnot:
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debug
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{
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for (int i = 0; i < table.length; i++)
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{
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assert(u < table[i][0] || u > table[i][1]);
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}
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}
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return 0;
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Lis:
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debug
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{
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for (int i = 0; i < table.length; i++)
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{
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if (u >= table[i][0] && u <= table[i][1])
|
|
return 1;
|
|
}
|
|
assert(0); // should have been in table
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|