docs: def _slugify_title(self):
          """Slugify the Entry title, but ensure it's less than the maximum
          number of characters. This method also ensures that a slug is unique by
          appending a timestamp to any duplicate slugs.
          """
          # Restrict slugs to their maximum number of chars, but don't split mid-word
          self.slug = slugify(self.title)
          while len(self.slug) > 255:
              self.slug = '-'.join(self.slug.split('-')[:-1])
  
          # Is the same slug as another entry?
          if Entry.objects.filter(slug=self.slug).exclude(id=self.id).exists():
              # Append time to differentiate.
              self.slug = self._insert_timestamp(self.slug)