CVS update: gnucash/src/engine

[Linas Vepstas]

Date:	Monday October 20, 2003 @ 8:06
Author:	linas

Update of /home/cvs/cvsroot/gnucash/src/engine
In directory www.linas.org:/tmp/cvs-serv29724

Modified Files:
	qofinstance.c qofinstance.h 
Log Message:
add documentation, add safety check