code: func (t *templateHandler) LookupVariant(name string, variants tpl.TemplateVariants) (tpl.Template, bool, bool) {
  	name = templateBaseName(templateShortcode, name)
  	s, found := t.shortcodes[name]
  	if !found {
  		return nil, false, false
  	}
  
  	sv, found := s.fromVariants(variants)
  	if !found {
  		return nil, false, false
  	}
  
  	more := len(s.variants) > 1
  
  	return &tpl.TemplateAdapter{
  		Template:             sv.templ,
  		Info:                 sv.info,
  		Metrics:              t.Deps.Metrics,
  		Fs:                   t.layoutsFs,
  		NameBaseTemplateName: t.html.nameBaseTemplateName}, true, more
  
  }
docs: // This currently only applies to shortcodes and what we get here is the
  // shortcode name.