Added format support for zputlit function escape. It requires
[mmh] / test / rcv /
drwxr-xr-x   ..
-rwxr-xr-x 2926 test-rcvdist
-rwxr-xr-x 2301 test-rcvpack
-rwxr-xr-x 6663 test-rcvstore
-rwxr-xr-x 1334 test-rcvtty