code: def full_author_notes(soup, fntype_filter=None):
      
      notes = []
  
      author_notes_section = raw_parser.author_notes(soup)
      if author_notes_section:
          fn_nodes = raw_parser.fn(author_notes_section)
          notes = footnotes(fn_nodes, fntype_filter)
  
      return notes
docs: Find the fn tags included in author-notes