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Cream of the Crop 21
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ZIPRPRO.1
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WHATSNEW.DOC
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What's New in ZIP'R Pro For DOS Version 2.27
──> Maintenance Release
ZIP'R Pro For DOS Version 2.27 contains a fix for an obscure
problem with Internal ZIP data compression. (See the file
ZIPRPRO.REV for a description of this problem.)
What's New in ZIP'R Pro For DOS Version 2.26
──> Maintenance Release
ZIP'R Pro For DOS Version 2.26 contains a fix for an obscure
problem where the compressed file could be deleted in
extremely rare circumstances. (See the file ZIPRPRO.REV for
a description of this problem.)
What's New in ZIP'R Pro For DOS Version 2.25
──> Maintenance Release
ZIP'R Pro For DOS Version 2.25 is a maintenance release that
contains a few minor problem fixes. The most significant
problem occurred when a user with limited hard drive capacity
(usually under 37.5 megabytes) would try to decompress a file
and receive a warning that the file required more hard drive
space than they had available, even if the compressed program
was very small. For a complete list of changes, see the file
ZIPRPRO.REV.
What's New in ZIP'R Pro For DOS Version 2.24
──> Maintenance Release
ZIP'R Pro For DOS Version 2.24 is a maintenance release.
This version contains a fix for a problem where attempting to
execute multiple instances of the same program (on a network
or under a multitasker) could cause an intermittent problem
where the first instance would not wait for the second
instance to close before attempting to compress the selected
program.
What's New in ZIP'R Pro For DOS Version 2.23
──> Maintenance Release
ZIP'R Pro For DOS Version 2.23 is a minor maintenance
release. This version contains a fix for an obscure problem
with Internal ZIP compression. The cleanup process in the
ZIF Editor Pro has also been enhanced to be substantially
faster than before (now taking about 1-2 seconds).
What's New in ZIP'R Pro For DOS Version 2.22
──> Enhancement / Maintenance Update
ZIP'R Pro For DOS Version 2.22 contains a significant rewrite
of the previous ZIP'R Pro code, reducing the code size by
Page 1
about 20K in the EXE file and 21K in the OVR file. The new
code allows us to find and fix potential problems more
quickly, and leaves room for future program enhancements.
Due to the rewrite, we found and fixed several problems with
Internal ZIP compression when the compressed file was located
in a different directory than the program's main directory.
For a complete list of revisions, see the files ZIPRPRO.REV
and ZIFPRO.REV.
What's New in ZIP'R Pro For DOS Version 2.21
──> Enhancement / Maintenance Update
Version 2.21 of ZIP'R Pro For DOS contains several
enhancements (and a few problem fixes). A problem was fixed
where ZIP'R Pro did not always prompt the user to insert a
diskette in the disk drive before starting the compression
process. This could have resulted in an "Unknown (or
Unhandled) Error" if the user did not have a disk in the
drive. Another minor problem was fixed regarding the PKZIP
Advanced Troubleshooting options. Although these options
were being passed on the PKZIP command line, they were not
being passed on the PKUNZIP command line. (To use these
options on an existing ZPD file (created with an older
version of ZIP'R Pro), simply resave the ZPD file with the
ZIF Editor.) Several improvements were added to the ZIF
Editor Pro, such as hot-key assignments, and a reduction in
the EXE size.
What's New in ZIP'R Pro For DOS Version 2.20
──> Maintenance Update
Version 2.20 of ZIP'R Pro For DOS fixes an obscure problem
with internal ZIP compression where the compressed file would
be created in the wrong location if the compressed file
directory was different than the program (parent) directory.
What's New in ZIP'R Pro For DOS Version 2.19
──> Maintenance Update
Version 2.19 of ZIP'R Pro For DOS fixes a problem with
internal ZIP compression where the error "Could not erase the
file nnn.ZIP" would occur after compressing a program. For
more information, see the file ZIPRPRO.REV.
What's New in ZIP'R Pro For DOS Version 2.18
──> Maintenance Update
Version 2.18 of ZIP'R Pro For DOS is a maintenance release.
Many cosmetic issues have been addressed. Arrow keys can now
be used on the ZIP'R Pro button menu. The ZIF Editor Pro has
been improved using our most current internal libraries. For
a complete list of changes, see the files ZIPRPRO.REV and
ZIFPRO.REV.
Page 2
What's New in ZIP'R Pro For DOS Version 2.17
──> Maintenance Update
Version 2.17 of ZIP'R Pro For DOS is a maintenance release.
A significant problem was fixed with Internal ZIP
compression. When attempting to decompress the ZIP file, an
error #5, "file access denied" would occur. A full
explanation of this problem and its source can be found in
the file ZIPRPRO.REV. A couple of obscure problems were
found and addressed, including a Windows-NT "file access
denied" bug.
What's New in ZIP'R Pro For DOS Version 2.16
──> Maintenance Update
Version 2.16 of ZIP'R Pro For DOS is a maintenance release.
A significant problem was fixed where the screen would be
filled with garbage characters immediately after trying to
execute ZIP'R Pro. This behavior occurred if the Video
Display was set to Direct screen writes or Auto Detect with
an EGA or VGA monitor (and only if the prelog screen was
supposed to be displayed). The direct screen writing was
being done from an overlaid unit, which called an assembly
language OBJ file, thus causing corruption on the screen.
This screen writing procedure has been moved into a non-
overlaid unit.
What's New in ZIP'R Pro For DOS Version 2.15
──> Maintenance Update
Version 2.15 of ZIP'R Pro For DOS is a maintenance release.
The file ERRORS.OPL has been removed. All error messages are
now contained in the EXE file. ZIP'R Pro has been overlaid,
hence the addition of the file ZIPRPRO.OVR. This was done to
reduce the memory requirements needed to perform operations,
especially internal ZIP compression and decompression.
Previously, users with memory limited systems (less than 512K
free before ZIP'R Pro was launched) who chose to use internal
ZIP compression would experience an error #8 (insufficient
memory) when compressing programs. Now, users with as
little as 465K free (before ZIP'R Pro is launched) can use
internal ZIP compression.
IMPORTANT: Although ZIP'R Pro only requires 465K of free
conventional memory, you must have at least enough
conventional memory to execute the program that is being
launched through ZIP'R Pro. For example, if your program
requires 540K of free conventional memory, you must have
at least 550K of free memory before launching ZIP'R Pro.
(ZIP'R Pro's overhead, along with the secondary command
processor consume about 10K of memory.) On th