properly handle url= tags

views/common/bbcode_help.etlua

@@ -1,11 +1,11 @@
 <details>
   <summary>babycode guide</summary>
   <ul>
+    <li>Loose links will be converted to clickable links automatically</li>
     <li>[b]<b>bold</b>[/b]</li>
     <li>[i]<i>italic</i>[/i]</li>
     <li>[s]<del>strikethrough</del>[/s]</li>
     <li>[url=https://example.com]<a href="https://example.com">labeled URL</a>[/url]</li>
-    <li>[url]<a href="https://unlabeled-url.example.com">https://unlabeled-url.example.com</a>[/url]</li>
     <li>
       [code]with<br>line breaks[/code] will produce a code block:
       <details>