04/20/82 Initial version. 05/24/82 Added -b option for backup, created local versions of tmpnam and ftw functions. 06/10/82 Handle strange characters in names. 08/04/82 Packaging a nonexistent file arranges to delete the file during installation. 03/02/83 Handle character uid/gid not present on host 05/02/83 Added seal, unseal. 05/03/83 Split asd command into mkpkg, inspkg; general cleanup 05/12/83 In asdrcv, make separate keyfiles and permfiles. 05/15/83 Seal and unseal now handle lines beginning with "From" 08/26/83 Handle \ in file names properly 08/27/83 Ship is now a real command (well, a shell script...) Asdrcv now looks in /etc/asd/keys and /etc/asd/perm. 09/10/83 It is now possible to package and install special files. 09/15/83 Asdrcv no longer passes -v to inspkg. 09/23/83 Renamed tmpnam to tmpname to avoid conflicts. 09/24/83 Change SIG_TYP to Sig_typ and declare it ("portability").