[BUGFIX] Prevent duplicate titles in admonitions (#727)

Resolves #725

Author: linawolf

Documentation-rendertest/Admonitions-and-buttons/Index.rst

@@ -20,6 +20,11 @@ Admonitions (boxes)
    Equations within a note
    :math:`G_{\mu\nu} = 8 \pi G (T_{\mu\nu}  + \rho_\Lambda g_{\mu\nu})`.
 
+.. admonition:: Note
+
+    Unfortunately, PhpStorm only recognizes a file as a PHP archive when it has the ``.phar`` suffix.
+    This is remedied by creating a symbolic link: ``ln -s phpunit tools/phpunit.phar``.
+
 .. attention::
    Equations within a note
    :math:`G_{\mu\nu} = 8 \pi G (T_{\mu\nu}  + \rho_\Lambda g_{\mu\nu})`.

packages/typo3-docs-theme/resources/template/body/admonition.html.twig

@@ -22,8 +22,7 @@
 
 <div class="admonition {{ name }}{{ class ? (' '~class) }}{% if node.classes %} {{ node.classesString }}{% endif %}" role="alert">
     {% if titleOfSeverity %}<p class="admonition-title">{{ titleOfSeverity }}</p>
-    {% endif %}
-    {% if title and isTitled %}<p class="admonition-title">{{ renderNode(title) }}</p>
+    {% elseif title and isTitled %}<p class="admonition-title">{{ renderNode(title) }}</p>
     {% endif %}
     {% if title and not isTitled %}<p>{{ renderNode(title) }}</p>
     {% endif %}