ISALPHA           538 third_party/harfbuzz-ng/src/hb-private.hh static inline bool ISALPHA (unsigned char c)
ISALPHA            29 third_party/libxslt/libxslt/xsltlocale.c #define ISALPHA(c) ((c & 0xc0) == 0x40 && (unsigned)((c & 0x1f) - 1) < 26)