- 1.29 12/09/87
- add /M option to add modified files only
- correction for zero-byte files, again
- 1.28 10/4/87
- correction for zero-byte files
- 1.27 05/30/87
- correct problem reverting to pack method (file size wrong)
- revert to copying if packing results in a larger file
- 1.23 02/24/87
- add start-up banner
- omit "deleted" messages
- add 'copying' method
- 1.22 09/13/86
- improve error handling
- improve speed performance roughly 9%
- very modest compression perfomance improvement
- modify this document accordingly
- 1.21
- internal version
- 1.20
- internal version
- 1.19
- internal version
- 1.18 08/11/86
- further speed tweaking in compression code; save a few more nanoseconds
- 1.17a 08/10/86
- bug fix for the case of "arca x d:.", where d is not the current drive
- 1.17 08/10/86
- speed improvements in compression code
- 1.16 08/09/86
- more 286-specific instructions in compression code
- 1.15 08/08/86
- more 286-specific instructions
- 1.14 08/07/86
- add logic to sort input files using binary tree;
- modify filtering of ARC name when adding to ARC;
- modify processing of "/D" switch;
- do packing of file if LZW compression does no good;
- add optional code for 286 processor
- 1.13
- internal version
- 1.12
- internal version
- 1.11
- internal version
- 1.10
- internal version
- 1.09
- internal version
- 1.08
- internal version
- 1.07 04/21/86
- initial release