even if there are no grammars to add to an XSModel, the S4S grammar must be included
even if there are no grammars to add to an XSModel, the S4S grammar must be included


git-svn-id: 3ec853389310512053d525963cab269c063bb453@175634 13f79535-47bb-0310-9956-ffa450edef68

AaronNGray/xerces,AaronNGray/xerces,AaronNGray/xerces,AaronNGray/xerces