Merge branch 'develop' into feature/xychart_multiple_datasets

demos/sequence.html

@@ -164,13 +164,6 @@
       end
     </pre>
 
-    <pre class="mermaid">
-    sequenceDiagram
-      actor Alice
-      actor John
-      Alice-xJohn: Hello John, how are you?
-      John--xAlice: Great!
-    </pre>
     <script type="module">
       import mermaid from './mermaid.esm.mjs';
       mermaid.initialize({