code: func (p *pageState) initOutputFormat(isRenderingSite bool, idx int) error {
  	if err := p.shiftToOutputFormat(isRenderingSite, idx); err != nil {
  		return err
  	}
  
  	if !p.renderable {
  		if _, err := p.Content(); err != nil {
  			return err
  		}
  	}
  
  	return nil
  
  }
docs: // This is serialized