def parse
      file_to_parse = OOXMLDocumentObject.path_to_folder + 'word/commentsExtended.xml'
      return nil unless File.exist?(file_to_parse)

      doc = parse_xml(file_to_parse)
      doc.xpath('w15:commentsEx/*').each do |node_child|
        case node_child.name
        when 'commentEx'
          @comments_extended_array << CommentExtended.new(parent: self).parse(node_child)
        end
      end
      self
    end
def parse
      file_to_parse = OOXMLDocumentObject.path_to_folder + 'word/commentsExtended.xml'
      return nil unless File.exist?(file_to_parse)

      doc = parse_xml(file_to_parse)
      doc.xpath('w15:commentsEx/*').each do |node_child|
        case node_child.name
        when 'commentEx'
          @comments_extended_array << CommentExtended.new(parent: self).parse(node_child)
        end
      end
      self
    end
Parse CommentsExtended object
 @return [CommentsExtended] result of parsing