SAOtng 1.9 is a major release in which the original Xt-based XPA 1.0 messaging system has been redesigned and reimplemented. ... Here are a list of changes to xpa that will be of interest to users of SAOtng: . ... If you are running SAOtng on one machine and using xpaset and xpaget on another, please read the XPA documentation on access control in saord/xpa-2.0/doc/acl.html or http://hea-www.harvard.edu/RD/xpa/acl.html. ... xpaset SAOtng fits . ... Review of Changes for Release 1.8 here . ...