Merge change 5845 into donut

        switch (event.getAction()) {

        case MotionEvent.ACTION_DOWN:

            ds = buffer.getSpans(0, buffer.length(), DragState.class);

            for (int i = 0; i < ds.length; i++) {

                buffer.removeSpan(ds[i]);

            }

            buffer.setSpan(new DragState(event.getX(), event.getY(),

                            widget.getScrollX(), widget.getScrollY()),

                    0, 0, Spannable.SPAN_MARK_MARK);