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// re2c $INPUT -o $OUTPUT -8 --case-ranges -i
#include <assert.h>
#include <stdint.h>
/*!include:re2c "unicode_categories.re" */
static int lex(const char *s) {
const char *YYCURSOR = s, *YYMARKER;
/*!re2c
re2c:define:YYCTYPE = 'unsigned char';
re2c:yyfill:enable = 0;
// Simplified "Unicode Identifier and Pattern Syntax"
// (see https://unicode.org/reports/tr31)
id_start = L | Nl | [$_];
id_continue = id_start | Mn | Mc | Nd | Pc | [\u200D\u05F3];
identifier = id_start id_continue*;
identifier { return 0; }
* { return 1; }
*/
}
int main() {
assert(lex("_Ыдентификатор") == 0);
return 0;
}