Language to use for message translations. action=query&meta=siteinfo&siprop=languages returns a list of language codes, or specify user to use the current user's language preference, or specify content to use this wiki's content language.
The database is currently locked to new entries and other modifications, probably for routine database maintenance, after which it will be back to normal.
The system administrator who locked it offered this explanation: Major Server Maintenance, Access wil be restored soon.
