# File lib/mail/parsers/rfc2822_obsolete.rb, line 205
    def _nt_obs_utext
      start_index = index
      if node_cache[:obs_utext].has_key?(index)
        cached = node_cache[:obs_utext][index]
        @index = cached.interval.end if cached
        return cached
      end

      r0 = _nt_obs_text

      node_cache[:obs_utext][start_index] = r0

      r0
    end