T.P.Writers.Shared `toTableOfContents`: handle nested Divs better.

Closes #8402.

1 files changed, 52 insertions, 0 deletions

diff --git a/test/command/8402.md b/test/command/8402.md
new file mode 100644
index 000000000..67536227c
--- /dev/null
+++ b/test/command/8402.md
@@ -0,0 +1,52 @@
+```
+% pandoc --toc -s -t markdown
+::: {.cell .markdown id="6u8qXoeFGdqt"}
+# Summary
+> Expand to see summary
+
+## Overview and Explanation
+:::
+
+# Details
+
+## inner 1
+text
+
+## inner 2
+
+### inner inner 1
+
+## inner 3
+text
+^D
+-   [Summary](#summary){#toc-summary}
+    -   [Overview and
+        Explanation](#overview-and-explanation){#toc-overview-and-explanation}
+-   [Details](#details){#toc-details}
+    -   [inner 1](#inner-1){#toc-inner-1}
+    -   [inner 2](#inner-2){#toc-inner-2}
+        -   [inner inner 1](#inner-inner-1){#toc-inner-inner-1}
+    -   [inner 3](#inner-3){#toc-inner-3}
+
+::: {#6u8qXoeFGdqt .cell .markdown}
+# Summary
+
+> Expand to see summary
+
+## Overview and Explanation
+:::
+
+# Details
+
+## inner 1
+
+text
+
+## inner 2
+
+### inner inner 1
+
+## inner 3
+
+text
+```