WPML work for the most function fine. I think the OKFN WP theme have some things to modiy. Also, as I told to sysadmin it seem that some admin grant are not avalaible for local group ;-( Some files *.po need to be translate or adapt to local context.
I send a call for that to @Mor, but no return yet.
Personaly I think that it will very usefull to have an virtual meeting with sysadmin and localadmin. I need more information and more implication to this. I have many issues to explain,…