Merge branch 'develop' of https://github.com/NicolasNewman/mermaid into feature/2776_katex_math

demos/sequence.html

@@ -142,6 +142,27 @@
         A->>B: Hello Bob, how are you ?
         </pre
     >
+    <hr />
+    <pre>
+      sequenceDiagram
+      participant Alice
+      participant Bob
+      participant John
+      par_over Section title
+        Alice ->> Bob: Message 1<br>Second line
+        Bob ->> John: Message 2
+      end
+      par_over Two line<br>section title
+        Note over Alice: Alice note
+        Note over Bob: Bob note<br>Second line
+        Note over John: John note
+      end
+      par_over Mixed section
+        Alice ->> Bob: Message 1
+        Note left of Bob: Alice/Bob Note
+      end
+    </pre>
+
     <hr />
 
     <pre class="mermaid">
@@ -176,7 +197,6 @@
       3-->>2: $$6x+2$$
     </pre>
     <hr />
-
     <script type="module">
       import mermaid from './mermaid.esm.mjs';
       mermaid.initialize({