Spexec runs commands for macros under the identity of the invoking
user. This is required because gspl-pq(1) gspl-xpq(1) gspl-xmpq(1) are set-user
programs (to other than "root") and there is an inherent security
breach in many versions of Unix in that such programs cannot divest
themselves of traces of the set-user user id.
This program is only intended for internal use and is not further
Copyright (c) 2009 Free Software Foundation, Inc.
This is free software. You may redistribute copies of it under the
terms of the GNU General Public License
There is NO WARRANTY, to the extent permitted by law.