Avoid DOCX section break with initial heading using --top-level-division

[adunning]

I think it would be ideal not to generate a section break using --top-level-division for the first heading if it is the initial item in the document, should it be feasible to detect this.

For example, this results in a document with a blank first page:

pandoc -o chapter.docx --top-level-division=chapter << EOT

# Chapter 1

Sit tenetur aspernatur numquam et aliquam.

EOT

[jgm]

Agreed: for documents without titles, this is an issue. I was thinking this would not be a big problem in most cases, because documents will have titles and these will go on the first page, followed by a break.