question: protected void saveBaseURI ( ) { fBaseURIScope . push ( fDepth ) ; fBaseURI . push ( fCurrentBaseURI . getBaseSystemId ( ) ) ; fLiteralSystemID . push ( fCurrentBaseURI . getLiteralSystemId ( ) ) ; fExpandedSystemID . push ( fCurrentBaseURI . getExpandedSystemId ( ) ) ; }
target:  Saves the current base URI to the top of the stack.