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#include "scan.h"
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size_t scan_utf8_sem(const char* in,size_t len,uint32_t* num) {
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size_t r=scan_utf8(in,len,num);
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if (r>0) {
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if (*num>=0xd800 && *num<=0xdfff) return 0;
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if ((*num&0xfffe)==0xfffe) return 0;
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if (*num>=0xfdd0 && *num<=0xfdef) return 0;
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}
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return r;
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}
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