Please enable subpagination in it.wikiversity for these namespaces:
*0 (main) + 1 (its talk)
*10 (Template) + 11 (its talk)

I think that the variable which should be set is $wgNamespacesWithSubpages
Here is the reference page: http://www.mediawiki.org/wiki/Manual:%24wgNamespacesWithSubpages

The discussion on our village pump is here: http://it.wikiversity.org/wiki/Wikiversit%C3%A0:Bar#nuovo_bug

Thank you,
Pietrodn

Version: unspecified
Severity: enhancement
URL: http://it.wikiversity.org/wiki/Wikiversit%C3%A0:Bar#nuovo_bug