SemanticMediaWiki/SemanticMediaWiki — pull request #166 by mwjames (2014-02-06 18:07:46+00:00)
Title: Factbox use getInt( 'oldid' ) insead of getCheck( 'oldid' )

Apparently page preview sets an 'oldid' which returns true for getCheck( 'oldid' ) where in fact we expect an integer.