Ah, changing the software requirements after the initial delivery,
eh? Shame on you... 😉
Testing this out in the version of Docbook (axdocbook) delivered
with Editor 5.2, I put a <chapterinfo> tag at the front of my chapter
(before the title) and put a <productnumber> tag inside of that with the
content "123". Nothing appears on the chapter line in the docmap when
the chapter node is open, but when it is closed, the title appears there
and nothing else.
This behavior may be due to the chapter element being set to
category="division" on the ElementOption in the DCF and the title
element being set to category="title". If you have your DTD setup like
that in your DCF and it doesn't behave this way, how does it behave?
Also, do you have any DCF settings for the element(s) that come before