code: func NewSubtitles(moviePath string, subPaths []string, langID string) (Subtitles, error) {
  	subs := Subtitles{}
  	for _, subPath := range subPaths {
  		sub, err := NewSubtitle(moviePath, subPath, langID)
  		if err != nil {
  			return nil, err
  		}
  		subs = append(subs, sub)
  	}
  	return subs, nil
  }
docs: // NewSubtitles builds a Subtitles from a movie path and a slice of
  // subtitles paths. Intended to be used with for osdb.HasSubtitles() and
  // osdb.UploadSubtitles().