docs: @Nonnull
    public JSFormatter outdentAlways ()
    {
      if (m_nIndentLevel == 0)
        throw new IllegalStateException ("Nothing left to outdent!");
      m_nIndentLevel--;
      m_sIndentCache = m_sIndentCache.substring (0, m_nIndentLevel * m_aSettings.getIndent ().length ());
      return this;
    }