code: def _unescape_fixup(match):
      
      text = match.group(0)
      if text[:2] == "&#":
          # character reference
          try:
              if text[:3] == "&#x":
                  codept = int(text[3:-1], 16)
              else:
                  codept = int(text[2:-1])
              if 0x80 <= codept < 0xa0:
                  # Decode this range of characters as Windows-1252, as Web
                  # browsers do in practice.
                  return bytes([codept]).decode('sloppy-windows-1252')
              else:
                  return chr(codept)
          except ValueError:
              return text
      else:
          # This is a named entity; if it's a known HTML5 entity, replace
          # it with the appropriate character.
          try:
              return entities.html5[text[1:]]
          except KeyError:
              return text
docs: Replace one matched HTML entity with the character it represents,
      if possible.