firstname.lastname@example.org 06-23-94 ansi-fied program
email@example.com, 11-15-91 added recognition of - as stdout for output
filename; disabled various messages; directed messages to stderr;
added exit status
DEC89 Modified program to handle both Voyager and Viking images.
OCT89 Converted Voyager decompression program to handle Viking
compressed images. Changed obuf to unsigned to simplify computation
AUG89 Added code to get command line arguments for filenames and
output format; routines to free memory used by the Huffman tree);
fixed the SFDU label output length; and modified the I/O routines so
that the open for Host type 2 uses binary I/O.
JUN89 Fixed READVAR, to get length on 16-bit unswapped hosts.
JUL88 C driver to decompress standard Voyager Compressed images by
Mike Martin 1989/12/02.