Alas, I received no answers or hints, and never figured out a clean
approach. I've since abandoned my attempt to use jOpenDocument instead of
an UNO bridge. (UNO is slow and cumbersome, but well-documented and
functional.)
Questions about multi-line table cells have appeared before in this
Did you figure out a better way of doing this? I am also having issues with
multi-line spreadsheet cells.
I notice when I put a \n into a cell it is converted into a
text:line-break/ element when I save the document.
However, this tag is ignored by Excel and Google docs and results in a