code: public void setParagraphEnd() {
      if (!isParagraphEnd()) {
        AnalyzedToken paragraphEnd = new AnalyzedToken(getToken(),
            PARAGRAPH_END_TAGNAME, getAnalyzedToken(0).getLemma());
        addReading(paragraphEnd);
      }
    }
docs: Add a reading with a paragraph end token unless this is already a paragraph end.
  @since 2.3