static BufferedReader rawByteReader(InputStream in, int bufSize default 8192) ctex {
  ret bufferedReader(_registerIOWrap(new InputStreamReader(in, "ISO-8859-1"), in), bufSize);
}

static BufferedReader rawByteReader(File f) ctex {
  ret rawByteReader(newFileInputStream(f));
}

static BufferedReader rawByteReader(File f, int bufSize) ctex {
  ret rawByteReader(newFileInputStream(f), bufSize);
}

Began life as a copy of #1008014