Function IsPrintable

src/string_func.h:128–134

}

inline bool IsPrintable(char32_t c)
{
	if (c < 0x20)   return false;
	if (c < 0xE000) return true;
	if (c < 0xE200) return false;
	return true;
}

/**
 * Check whether UNICODE character is whitespace or not, i.e. whether