Last modified: 2008-10-04 15:20:46 UTC
Although a recent revision in svn supports dual expiry times using the normal protection function (i.e., one for edit and a different one for move), that functionality has not yet been added to api.php. Anyway, if anyone happens to get a chance.... :P Cheers, -slakr@enwiki
Fixed in r41652, see also post on mediawiki-api.