code: def author_notes(soup):
      
      author_notes = []
  
      author_notes_section = raw_parser.author_notes(soup)
      if author_notes_section:
          fn_nodes = raw_parser.fn(author_notes_section)
          for tag in fn_nodes:
              if 'fn-type' in tag.attrs:
                  if(tag['fn-type'] != 'present-address'):
                      author_notes.append(node_text(tag))
  
      return author_notes
docs: Find the fn tags included in author-notes