code: def _parse_and_clean_wikicode(raw_content):
    
    wikicode = tfds.core.lazy_imports.mwparserfromhell.parse(raw_content)
  
    # Filters for references, tables, and file/image links.
    re_rm_wikilink = re.compile(
        "^(?:File|Image|Media):", flags=re.IGNORECASE | re.UNICODE)
    def rm_wikilink(obj):
      return bool(re_rm_wikilink.match(six.text_type(obj.title)))
    def rm_tag(obj):
      return six.text_type(obj.tag) in {"ref", "table"}
    def rm_template(obj):
      return obj.name.lower() in {
          "reflist", "notelist", "notelist-ua", "notelist-lr", "notelist-ur",
          "notelist-lg"}
  
    def try_remove_obj(obj, section):
      try:
        section.remove(obj)
      except ValueError:
        # For unknown reasons, objects are sometimes not found.
        pass
  
    section_text = []
    # Filter individual sections to clean.
    for section in wikicode.get_sections(
        flat=True, include_lead=True, include_headings=True):
      for obj in section.ifilter_wikilinks(matches=rm_wikilink, recursive=True):
        try_remove_obj(obj, section)
      for obj in section.ifilter_templates(matches=rm_template, recursive=True):
        try_remove_obj(obj, section)
      for obj in section.ifilter_tags(matches=rm_tag, recursive=True):
        try_remove_obj(obj, section)
  
      section_text.append(section.strip_code().strip())
    return "\n\n".join(section_text)
docs: Strips formatting and unwanted sections from raw page content.