docs: def parse_paragraph(l, c, last_div_node, last_section_node, line):
      """
      Extracts a paragraph node
  
      :param l: The line number (starting from 0)
      :param last_div_node: The last div node found
      :param last_section_node: The last section node found
      :param line: The line string (without indentation)
      :return: The extracted paragraph node
      """
      if not line.endswith('.'):
          return None
      name = line.replace(".", "")
      if name.strip() == '':
          return None
      if name.upper() in ALL_KEYWORDS:
          return None
      parent_node = last_div_node
      if last_section_node is not None:
          parent_node = last_section_node
      node = Name(Name.Type.Paragraph, l, c, name)
      parent_node.add_child(node)
      return node