Change to allow subclasses of DocumentImpl and DeferredDocumentImpl to take advantage of the extra features of our implementation -- setting IDs, grammar access, etc.
Change to allow subclasses of DocumentImpl and DeferredDocumentImpl
to take advantage of the extra features of our implementation --
setting IDs, grammar access, etc.


git-svn-id: 21df804813e9d3638e43477f308dd0be51e5f30f@315884 13f79535-47bb-0310-9956-ffa450edef68

ronsigal/xerces,jimma/xerces,ronsigal/xerces,ronsigal/xerces,RackerWilliams/xercesj,RackerWilliams/xercesj,jimma/xerces,RackerWilliams/xercesj,jimma/xerces