code: func (obj *Doc) Redo(ctx context.Context) (bool, error) {
  	result := &struct {
  		Success bool	`json:"qSuccess"`
  	} {}
  	err := obj.rpc(ctx, "Redo", result)
  	return result.Success, err 
  }
docs: // Redoes the previous operation.
  // 
  // The operation is successful if qSuccess is set to true.