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/**
** @file Test handling of different Unicode letters in identifiers.
**/
#include "c23-fallback.h"
double Å = 1; // error, Ångström not normalized
double Å = 2; // ok, A with circle
double A\u030A = 3; // error, combination not normalized
double Ω = 1; // error, Ohm not normalized
double Ω = 2; // ok, Greek capital omega
double K = 1; // error, Kelvin not normalized
double K = 2;
double fi = 1; // valid, fi does not decompose into f and i
double fi = 2; // valid, different identifier
typedef double ℝ; // valid
typedef unsigned long long ℕ; // valid
#define ℜ(Z) real(Z) // valid
#define ℑ(Z) imag(Z) // valid
ℕ №; // error: Numero sign is not a letter
ℕ ℓ; // valid, ell sign is a letter
double ʃ(double a, double b, double φ(double)); // IPA is also acceptable
typedef double 각; // valid, Hangul generally maps to itself
각 α = 1;
enum : bool { 응 = true, wɛ = true, };
char const 얜읐[] = "얜읐";
int a١ = 1; // valid, Arabic digits are considered different
int a1 = 2;
int a⁰ = 1; // non-portable, gcc and clang extension
int a𝟬 = 1; // valid, but not a good idea
int a0 = 2;
unsigned Ⅾ; // valid, roman digit 500, really a bad idea
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