Return text/plain if html isn't explicitly specified in Accept header

server.js

@@ -141,9 +141,13 @@ app.use(connect_st({
 // Then we can loop back - and everything else should be a token,
 // so route it back to /
 app.use(route(function(router) {
-  router.get('/:id', function(request, _response, next) {
+  router.get('/:id', function(request, response, next) {
+    if (request.headers.accept.includes('html')) {
       request.sturl = '/';
       next();
+    } else {
+      return raw(request, response);
+    }
   });
 }));