code: public void onText (@Nonnull final char [] aText, @Nonnegative final int nOfs, @Nonnegative final int nLen)
    {
      onText (aText, nOfs, nLen, true);
    }
docs: XML text node.
  
  @param aText
  The contained text array
  @param nOfs
  Offset into the array where to start
  @param nLen
  Number of chars to use, starting from the provided offset.