Recent changes to 667: Error handling in streaming copy

Recent changes to 667: Error handling in streaming copyhttp://sourceforge.net/p/saxon/bugs/667/2012-10-08T14:45:40Z2012-10-08T14:45:40Z2012-10-08T14:45:40ZMichael Kayhttp://sourceforge.net/u/mhkay/http://sourceforge.net07980c9020f1a9ed5c3981c46c6e84ff8b229c9c