support rich editor in logged-out mode

controllers/editor.php

@@ -1,12 +1,11 @@
 <?php
 
 $app->get('/editor', function() use($app) {
-  if($user=require_login($app)) {
+  $user = require_login($app, false);
   $html = $app->render('editor.php', [
     'user' => $user
   ]);
   $app->response()->body($html);
-  }
 });
 
 $app->post('/editor/publish', function() use($app) {

views/editor.php

@@ -44,7 +44,9 @@
 <div class="toolbar">
   <div class="toolbar-left">
     <span class="item"><a href="/"><img src="/editor-files/quill-logo-36.png" width="36" height="31" class="logo"></a></span>
+    <? if($this->user): ?>
       <span class="item text"><b><?= display_url($this->user->url) ?></b></span>
+    <? endif; ?>
     <span class="item text"><span id="draft-status">Draft</span></span>
   </div>
   <div class="toolbar-right">
@@ -109,6 +111,7 @@
     <div class="helptext">You need to sign in before you can publish! Don't worry, your draft will still be here when you finish signing in.</div>
     <input type="url" class="form-field-small" placeholder="yourdomain.com" id="signin-domain">
     <button class="btn btn-small" id="signin-btn">Sign In</button>
+    <div class="helptext small"><a href="/docs">How does this work?</a></div>
   </div>
 </div>