code: func (h *Host) serveImporter(w http.ResponseWriter, r *http.Request, imp *importer) {
  	if r.Method == "POST" {
  		h.serveImporterPost(w, r, imp)
  		return
  	}
  
  	var setup string
  	node, _ := imp.Node()
  	if setuper, ok := imp.impl.(ImporterSetupHTMLer); ok && node != nil {
  		setup = setuper.AccountSetupHTML(h)
  	}
  
  	h.execTemplate(w, r, importerPage{
  		Title: "Importer - " + imp.Name(),
  		Body: importerBody{
  			Host:      h,
  			Importer:  imp,
  			SetupHelp: template.HTML(setup),
  		},
  	})
  }
docs: // Serves list of accounts at http://host/importer/twitter