docs: def wrap_url(s, l):
      """Wrap a URL string"""
      parts = s.split('/')
  
      if len(parts) == 1:
          return parts[0]
      else:
          i = 0
          lines = []
          for j in range(i, len(parts) + 1):
              tv = '/'.join(parts[i:j])
              nv = '/'.join(parts[i:j + 1])
  
              if len(nv) > l or nv == tv:
                  i = j
                  lines.append(tv)
  
          return '/\n'.join(lines)