Hello, The following minimal text produces a document that cannot be opened with LibreOffice:
=============================== - list - nested list | nested table | =============================== The resulting 'content.xml' contains a closing tag </text:list-header> that has no corresponding opening tag. Org mode version 9.0.4 GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9) of 2016-04-17 on lgw01-04, modified by Debian -- With best regards, Dimitri Minaev