private int skipTrailingWhite(List content, int start) {
    int size = content.size();
    if (start > size) {
      start = size;
    }

    int index = start;
    if (currentFormat.mode == Format.TextMode.TRIM_FULL_WHITE
        || currentFormat.mode == Format.TextMode.NORMALIZE
        || currentFormat.mode == Format.TextMode.TRIM) {
      while (index >= 0) {
        if (!isAllWhitespace(content.get(index - 1))) {
          break;
        }
        --index;
      }
    }
    return index;
  }
private int skipTrailingWhite(List content, int start)