// These end up inside the main class

static class LFixWhitespace extends LearnerImpl {

  static boolean debug;

  Learner base;

  String s;

  *(Learner *base) {}

  public void tryAgain() {

    base.tryAgain();

  }

  public void processInOut(Object _in, Object _out) {

    String in = (String) _in, out = (String) _out;

    int i = count(in), j = count(out);

    in = in.substring(i);

    s = out.substring(0, j);

    out = out.substring(j);

  if (debug)

      System.out.println("LFixWhitespace: Feeding to input learner: " + in + " => " + out);

    base.processInOut(in, out);

  }

  public Object processIn(Object _in) {

    String in = (String) _in;

    int i = count(in);

    in = in.substring(i);

    in = (String) base.processIn(in);

    in = s + in;

    return in;

  }

  int count(String s) {

    int I = 0;

    while (I < s.length () && "\r\n\t ".indexOf(s.charAt(I)) >= 0)

      ++I;

    return I;

  }

}