It works under 1.2/1.3/2.0/3.0 OS.
It was written/debugged during approx. 3 days.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                   10      10 100.0% -lh0- 32f1 Jul 22  1993 2Mouses
[generic]                  258    2950   8.7% -lh5- ee99 Jul 22  1993 2Mouses.info
[generic]                  418     512  81.6% -lh5- 4a78 Aug 13  1992 TwoMouses
[generic]                  437     819  53.4% -lh5- 8130 Aug 13  1992 TwoMouses.csdoc
[generic]                  330    2958  11.2% -lh5- 0fd0 Jul 22  1993 TwoMouses.CSDOC.info
[generic]                  403     767  52.5% -lh5- e6ea Aug 13  1992 TwoMouses.DOC
[generic]                  331    2958  11.2% -lh5- a5eb Jul 22  1993 TwoMouses.DOC.info
[generic]                15845   37328  42.4% -lh5- 4722 Aug 13  1992 XAtoms
[generic]                 1366    3115  43.9% -lh5- fa66 Aug 13  1992 XAtoms.csdoc
[generic]                  248     846  29.3% -lh5- b938 Jul 22  1993 XAtoms.CSDOC.info
[generic]                 1394    3323  42.0% -lh5- 2c19 Jul 22  1993 XAtoms.doc
[generic]                  242     846  28.6% -lh5- 9199 Jul 22  1993 XAtoms.DOC.info
[generic]                  167     886  18.8% -lh5- a794 Jul 22  1993 XAtoms.info
[generic]                  152     502  30.3% -lh5- a076 Jul 22  1993 XAtoms.laceicon.info
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total        14 files   21601   57820  37.4%            Jul 26  1993