<p></p>
<p><b>@AntonKhorev</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/4894#discussion_r1660332387">app/assets/javascripts/richtext.js</a>:</p>
<pre style='color:#555'>> +    if (editor.val().length === 0) {
+      var messageTitleElement = document.getElementById("message_title");
+      if (messageTitleElement) {
+        messageTitleElement.removeAttribute("required");
+      }
+
+      var diaryEntryTitleElement = document.getElementById("diary_entry_title");
+      if (diaryEntryTitleElement) {
+        diaryEntryTitleElement.removeAttribute("required");
+      }
+
+      return;
+    }
+
</pre>
<p dir="auto">I don't necessarily agree that triggering the validation is a good idea, but if you really want to do it, you can just call <code class="notranslate">reportValidity</code> on an input:</p>
⬇️ Suggested change
<pre style="color: #555">-    if (editor.val().length === 0) {
-      var messageTitleElement = document.getElementById("message_title");
-      if (messageTitleElement) {
-        messageTitleElement.removeAttribute("required");
-      }
-
-      var diaryEntryTitleElement = document.getElementById("diary_entry_title");
-      if (diaryEntryTitleElement) {
-        diaryEntryTitleElement.removeAttribute("required");
-      }
-
-      return;
-    }
-
+    event.preventDefault();
+
+    if (!editor[0].reportValidity()) {
+      return;
+    }
</pre>


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