Return bool as described in the interface for cacheGrammar instead of throwing an exception.  Fix from Dave Bertoni.
Return bool as described in the interface for cacheGrammar instead of throwing an exception.  Fix from Dave Bertoni.


git-svn-id: 3ec853389310512053d525963cab269c063bb453@176035 13f79535-47bb-0310-9956-ffa450edef68

Distrotech/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,colorer/xerces-c,ctapmex/xerces-c,Distrotech/xerces-c,Distrotech/xerces-c,Distrotech/xerces-c,colorer/xerces-c,ctapmex/xerces-c,colorer/xerces-c,colorer/xerces-c,ctapmex/xerces-c,colorer/xerces-c