34 return !((c >= 0x00 && c <= 0x08) || c == 0x0B || (c >= 0x0E && c <= 0x1F) ||
35 (c >= 0x7F && c <= 0x9F) ||
36 (c >= 0xD800 && c <= 0xDFFF) ||
37 (c >= 0xFDD0 && c <= 0xFDEF) || (c&0xFFFE) == 0xFFFE);
42 const char* p = begin;
43 const char* end = begin + byte_length;
45 int bytes_consumed =
charntorune(&rune, p, end - p);
49 if ((rune ==
Runeerror && bytes_consumed <= 1) ||