Cannot get docx to insert section breaks

[sjml]

The documentation for --top-level-division says:

In Docx output, this option adds section breaks before first-level headings if chapter is selected, and before first- and second-level headings if part is selected. Footnote numbers will restart with each section break unless the reference doc modifies this.

But this test.md document:

# Section One

Content

# Section Two

More content

When run through pandoc -f markdown -t docx --top-level-division chapter -o test.docx test.md produces a docx file with no section breaks. Does "section break" in this context mean something different than it does to MS Word (Selecting Insert -> Break -> Section Break)? Or am I doing something wrong with the way I'm setting it up?

This is Pandoc 3.9 installed via Homebrew.

[jgm]

You are right, I don't see the section elements. This was supposed to be added by commit cf662b7
(#10576)

[jgm]

This was modified by 529b6d1 which might have changed the behavior inadvertently?

[sjml]

This was modified by 529b6d1 which might have changed the behavior inadvertently?

Can confirm -- running the same file and command with Pandoc 3.7.0.2 (last release before that commit) inserts section breaks (including the erroneous one at the start of the document, which that commit was trying to fix).

[jgm]

The problem was that the new commit moved thigs to blocksToOpenXML, but this operates recursively on every block list, and so thus in particular on a block list inside a section Div. The result is that the first sectPr was omitted from every section, not just from the whole document.

[jgm]

I have pushed a fix.

[sjml]

Thank you!