ASCII_TO_LOWER   6303 src/runtime.cc     const char lo = (dir == ASCII_TO_LOWER) ? 'A' - 1 : 'a' - 1;
ASCII_TO_LOWER   6304 src/runtime.cc     const char hi = (dir == ASCII_TO_LOWER) ? 'Z' + 1 : 'z' + 1;
ASCII_TO_LOWER   6357 src/runtime.cc       if (dir == ASCII_TO_LOWER) {