code: public XHTMLText appendOpenParagraphTag(String style) {
          text.halfOpenElement(P);
          text.optAttribute(STYLE, style);
          text.rightAngleBracket();
          return this;
      }
docs: Appends a tag that indicates the start of a new paragraph. This is usually rendered
  with two carriage returns, producing a single blank line in between the two paragraphs.
  
  @param style the style of the paragraph
  
  @return this.