Hello Bernhard, thanks a lot finally it worked.
the file mytopc/index.rst had to look like this ====== Mytopic ====== .. toctree:: :maxdepth: 2 mytopc-sub1 mytopc-sub2 mytopc-sub3 Thanks a lot and kind regards Cornleius -- You received this message because you are subscribed to the Google Groups "sphinx-dev" group. To view this discussion on the web visit https://groups.google.com/d/msg/sphinx-dev/-/0g_ZTBiT2kgJ. To post to this group, send email to sphinx-dev@googlegroups.com. To unsubscribe from this group, send email to sphinx-dev+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sphinx-dev?hl=en.