revert changes, just put if !empty around

Author: sba

user_guide_src/source/libraries/validation/030.php

@@ -1,7 +1,9 @@
 <?php if (! empty($errors)): ?>
-    <div class="alert alert-danger">
-    <?php foreach ($errors as $field => $error): ?>
-        <p><?= esc($error) ?></p>
-    <?php endforeach ?>
+    <div class="alert alert-danger" role="alert">
+        <ul>
+        <?php foreach ($errors as $error): ?>
+            <li><?= esc($error) ?></li>
+        <?php endforeach ?>
+        </ul>
     </div>
 <?php endif ?>