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Thread: WinRAR

  1. #1
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    WinRAR

    Version 3.80 beta 3
    1. Console RAR displays the percent of repacked data when updating
    files in solid archive. Previously the repacking progress
    indicator was available only in GUI WinRAR.
    2. Switch -ieml.[arcname] did not delete an archive after emailing it
    even if dot character was specified in the switch.

    http://www.rarlab.com
    http://win-rar.com/

  2. #2
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    Version 3.80 beta 4
    1. In some situations previous beta versions could fail to create
    RAR recovery volumes.
    2. In previous beta versions it was impossible to change a name of
    next volume in "Next volume" dialog. Volume name specified by user
    was ignored.

  3. #3
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    Version 3.80 beta 5
    1. It is now possible to include quotation marks in command line parameters
    of WinRAR GUI self-extracting modules. Use two consecutive quotation
    marks if you need to do that.
    2. WinRAR displays the total progress bar when extracting TAR archives.

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    Thumbs up

    WinRAR v3.80 Final has been released.

    http://www.rarlab.com/

    Download WinRAR v3.80 Final

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    Member chornobyl's Avatar
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    WinRAR dictionary size is not 4096K

    Today i found that winrar dictionary size is smaller than 4096k
    actually it is 4161263bytes = 4063,7K

    You can check it yourself, make two copies of file 4161264 byte long and compress them in solid mode. Then compress this files reduced by one byte, the difference is obvious.

    7zip doesnt have this problems 4MB means 4MB.

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    Interesting fact Well done. Though I think the dictionary is 4096K, but it is being used for something else (maybe some unnecessary data, such as chains with zero probability for this archive, I don't know), thus its useful size is slightly less.

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    Quote Originally Posted by [url=http://rarlab.com/rarnew.htm]Official site[/url]
    Version 3.90 beta 1

    1. WinRAR version for Windows x64 is available. If you use
    Windows x64, it is strongly recommended to install 64 bit
    WinRAR version. It provides a higher performance and better
    shell integration than 32 bit version.

    2. RAR compression speed is improved for multi-core
    and multi-CPU systems. This improvement is most noticeable
    in Windows Vista and Windows 7 operating systems.

    3. "Remove duplicate folders from extraction path" option
    in "Settings/Compression" dialog is replaced by more universal
    "Remove redundant folders from extraction path" option.
    This option will eliminate redundant archive name based folders
    from extraction path if you unpack an archive with
    "Extract to DestName\" context menu command and if archive
    root folder contains only one folder and no files.

    4. Changes in "Extraction path and options" dialog:

    a) "New folder" button creates a new subfolder in currently
    selected folder;

    b) F2 key renames a selected folder in the folders tree;

    c) F5 key updated the tree pane contents;

    d) Del key removes a selected folder in the folders tree.

    5. You can enable "Show seconds" option in "Settings/File list"
    dialog if you wish to see seconds in file dates in file list
    in WinRAR shell.

    6. "Where to check for SFX archives" options group
    in "Settings/Integration/Context menus items" dialog lets
    you to control processing of SFX archives in context menus.
    For example, if you frequently right click ".exe" files
    on slow network disks, you can turn off "Network disks" options
    to minimize the delay before displaying the context menu.

    7. If you sort files by name in the file list in WinRAR shell,
    WinRAR will use the new logical file name sorting,
    same as in Windows Explorer, considering digits in file names
    by their numerical value. So files will be sorted as
    1.txt, 2.txt, 10.txt instead of previous 1.txt, 10.txt, 2.txt.
    This new sort behavior is available in Windows XP Service Pack 2
    and newer.

    8. Ctrl+W key combination can be used to close the main WinRAR window
    also as WinRAR viewer windows. "View as Windows text" shortcut
    in WinRAR viewer changed from Ctrl+W to Ctrl+I.

    9. New command line switch -r- disables recursion completely.
    So 'rar a -r- arc dirname' command will add only the empty
    dirname folder and ignore its contents. By default, if dirname
    does not include wildcards, RAR adds its contents even if
    -r switch is not specified.

    10. If used when extracting, the new command line switch -ai forces
    RAR to ignore file attributes. When using this switch,
    extracted files will always have attributes assigned by
    operating system to a newly created file by default.

    11. If output file name is not specified in "cw" command, console RAR
    will send comment data to stdout.

    12. When compressing stdin data with -si[name] switch, RAR sets
    modification time of archived entry to current system time.
    Previous RAR versions did not fill this field, resulting in
    meaningless modification time for stdin.

    13. Message displayed when you place the mouse cursor on WinRAR
    tray icon includes the archive name now. Previously only
    time left and total percent were displayed for archiving operations.

    14. Bugs fixed:

    a) WinRAR could fail to open tar or tar.gz archive if such archive
    contained a file larger than 8 GB;

    b) WinRAR context menu did not work properly in Windows 7 beta
    if icons in context menus were enabled and user clicked
    a file inside of Windows 7 Library folder;

    c) previous WinRAR versions failed to rename files having 5 or more
    continuous spaces in the name. WinRAR shell does not display
    such spaces for safety reasons, because they can hide an actual
    file extension. But this security measure prevented the rename
    command to work properly.

  8. #8
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    Quote Originally Posted by rarlab.com/news.html
    Version 3.90 beta 2

    1. Delay between right clicking selected files in Windows Explorer
    and displaying the context menu is reduced. This delay can be
    noticeable, when you right click several thousands of files.

    2. Bugs fixed:

    a) dragging a file over an existing archive in Windows Explorer
    did not work for 64 bit WinRAR;

    b) 64 bit beta 1 shell extension crashed if user right clicked
    "Startup" folder in Start Menu and selected "Open" or "Explore"
    commands;

    c) "Scan archive for viruses" command in 64 bit beta 1 could fail to
    autodetect some of 32 bit antiviruses detected by 32 bit version;

    d) beta 1 hung when the entire folder specified as a mask
    was excluded: 'rar a -xfolder arc folder';

    e) sometimes beta 1 could hang when creating a new RAR archive
    if archive comment or one of advanced NTFS options was specified;

    f) ZIP encryption code was updated to include recent InfoZip fixes;

    g) 64 bit version did not store the toolbar layout.
    Change #1 should be quite handy for Windows users, I remember that to be very irritating indeed.

  9. #9
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    Version 3.90 beta 3
    1. WinRAR displays only one password prompt when unpacking 7z archive
    with encrypted file names.

    2. Further improvements in shell extension performance. Now WinRAR
    context menu must be more responsive when working with thousands
    of selected files.

    3. Bugs fixed:
    a) WinRAR could display random characters as archive comment
    when browsing some ZIP SFX archives, which do not contain
    any archive comment;
    b) switch -ed did not prevent extraction of empty folders;
    c) WinRAR could fail to compress some of subfolders specified
    in the command line if -n switch was present;
    d) WinRAR could crash when decompressing some of corrupt RAR archives.

  10. #10
    Member Skymmer's Avatar
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    Good news. Thanks.
    But I'm curious why previously the author of WinRAR was Eugene Roshal and now is Alexander Roshal. What is it? A family bussiness ?

  11. #11
    The Founder encode's Avatar
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    Quote Originally Posted by Skymmer View Post
    Good news. Thanks.
    But I'm curious why previously the author of WinRAR was Eugene Roshal and now is Alexander Roshal. What is it? A family bussiness ?
    Quote Originally Posted by wiki
    The current developer is Eugene Roshal, while his brother Alexander Roshal is engaged in running the business behind the software.

  12. #12
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    Version 3.90 beta 4

    1. New 'Shutdown' variable in 'Software\WinRAR\Policy' registry key
    allows to disable "Turn PC off when done" option for security reasons.
    Read "Configuration settings/Registry variables" for more details.

    2. Program Compatibility Assistant in Windows 7 will not display
    an erroneous "This program might not have installed correctly"
    message after closing RAR SFX archives created by this beta.

    3. Improved compatibility with high DPI Windows display mode.

    4. Bugs fixed:

    a) beta 3 did not display archiving commands in context menu
    if user selected several archives;

    b) beta 3 did not handle 'LongLink' records in TAR archives correctly;

    c) recovery record based repair did not work correctly in previous
    beta versions;

    d) beta 3 could display a folder icon for archived files without
    a file extension.
    especially 4d will make a few people here happy
    I am... Black_Fox... my discontinued benchmark
    "No one involved in computers would ever say that a certain amount of memory is enough for all time? I keep bumping into that silly quotation attributed to me that says 640K of memory is enough. There's never a citation; the quotation just floats like a rumor, repeated again and again." -- Bill Gates

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    Member Fallon's Avatar
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    Post Version 3.90 beta 5

    Version 3.90 beta 5

    1. Bugs fixed:

    a) "Convert" command could fail if original and resulting archives
    were multivolume and name of original archive included DBCS
    (Chinese, Japanese or Korean) characters;

    b) WinRAR did not add "Extract to folder\" item to Windows context
    menus for ZIP archives if Windows Compressed Folders was active.

  14. #14
    Member Fu Siyuan's Avatar
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    I found strange thing:

    WinRAR compresses PariahInterface.utx from EncCC with DELTA proprocessor much worse than that without it.

    RAW: 24 375 895
    WinRAR Normal without Delta 5 672 782
    WinRAR Ultra with Delta: 6 162 635

    So it seems RAR's auto-detector do not always work correctly

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    Administrator Shelwien's Avatar
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    Obviously, as the only certain way to determine whether something helps
    is to test it, which is slow.

    However, you can also specify the record width for rar's delta filter -
    using -mc#d switch
    like -mc1d or -mc2d+

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    I thought that WinRAR doesn't use Delta filter only in fast and fastest mode. Normal mode doesn't use PPMD.

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    Member Fu Siyuan's Avatar
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    Quote Originally Posted by Piotr Tarsa View Post
    I thought that WinRAR doesn't use Delta filter only in fast and fastest mode. Normal mode doesn't use PPMD.
    You thought are right . I shutdown the Delta in normal mode manually.

    Quote Originally Posted by Shelwien View Post
    Obviously, as the only certain way to determine whether something helps
    is to test it, which is slow.

    However, you can also specify the record width for rar's delta filter -
    using -mc#d switch
    like -mc1d or -mc2d+
    I just want to test the importance of filter or detector. I'm reading encode's Delta transform in the old forum. It may helps me. I found the RGB-delta of RAR are more complicated than mine. It makes choices of which value to substract. However, the WAV-filter are impossible to understand for me. I use 4Byte-way delta transform on WAV. It helps,but much worse than the RAR's.

    BTW, 7z choose filter (only BCJ) by the filename and FlashZIP choose by content as RAR, right?

    Maybe I should move to my thread to continue the discussion.

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    For RGB filter:
    Add pixel from (x - 1, y - 1) then subtract pixels from (x - 1, y) and (x, y - 1). This is the standard way to filter RGB. We can add some heuristic to detect computer generated data - if there are many rapid changes (eg. white pixel next to black pixel) and/ or identical pixels next to each other then we can suspect that we are on part of image which represents chart or text or some aliased shapes (ie. with sharp edges) and we can disable filtering for that parts.

    For WAV filter:
    Read http://www.monkeysaudio.com/theory.html point 1 & 2. After filtering 16 bit data store low 8 bits of audio uncompressed and remove from stream (as they contains mostly noise thus being incompressible). WinRAR treats 16 bit audio channel as two 8 bit channels so one of those 8 bit channels is incompressible and stored uncompressed. This is usually inferior to previous method.

  19. #19
    Member Fu Siyuan's Avatar
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    Thanks Piotr Tarsa! I'm looking for these.

  20. #20
    Programmer Bulat Ziganshin's Avatar
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    Quote Originally Posted by Fu Siyuan View Post
    BTW, 7z choose filter (only BCJ) by the filename and FlashZIP choose by content as RAR, right?
    open-source Nania programs used header analysis (i.e. checking for .wav/.bmp/... headers)

  21. #21
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    Quote Originally Posted by Piotr Tarsa View Post
    For RGB filter:
    Add pixel from (x - 1, y - 1) then subtract pixels from (x - 1, y) and (x, y - 1). This is the standard way to filter RGB.
    When I did experiments with RGB color transforms for paq8px_60 I also tried delta coding like this, but it made compression worse. I think because the model uses adjacent pixels for context, which is removed. I agree this method works well for order 0 models.

  22. #22
    Member Skymmer's Avatar
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    Quote Originally Posted by Shelwien View Post
    However, you can also specify the record width for rar's delta filter -
    using -mc#d switch
    like -mc1d or -mc2d+
    By the way, in this light, console version seems to be more functional than GUI. GUI doesn't allow you to assign any value for Delta, only to turn it on\off and it uses 32 by default. Also there is little bit incorrect info about Delta in official doc (Rar.txt). It states that you can use 1-31 values for Delta while you can use 1-32.

  23. #23
    Member Surfer's Avatar
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    Post WinRAR 3.90

    What's new in the latest 3.90 version
    1. WinRAR version for Windows x64 is available. If you use
    Windows x64, it is strongly recommended to install 64 bit
    WinRAR version. It provides a higher performance and better
    shell integration than 32 bit version.

    2. RAR compression speed is improved for multi-core
    and multi-CPU systems. This improvement is most noticeable
    in Windows Vista and Windows 7 operating systems.

    3. "Remove duplicate folders from extraction path" option
    in "Settings/Compression" dialog is replaced by more universal
    "Remove redundant folders from extraction path" option.
    This option will eliminate redundant archive name based folders
    from extraction path if you unpack an archive with
    "Extract to DestName\" context menu command and if archive
    root folder contains only one folder and no files.

    4. Changes in "Extraction path and options" dialog:

    a) "New folder" button creates a new subfolder in currently
    selected folder;

    b) F2 key renames a selected folder in the folders tree;

    c) F5 key updated the tree pane contents;

    d) Del key removes a selected folder in the folders tree.

    5. You can enable "Show seconds" option in "Settings/File list"
    dialog if you wish to see seconds in file dates in file list
    in WinRAR shell.

    6. "Where to check for SFX archives" options group
    in "Settings/Integration/Context menus items" dialog lets
    you to control processing of SFX archives in context menus.
    For example, if you frequently right click ".exe" files
    on slow network disks, you can turn off "Network disks" options
    to minimize the delay before displaying the context menu.

    7. If you sort files by name in the file list in WinRAR shell,
    WinRAR will use the new logical file name sorting,
    same as in Windows Explorer, considering digits in file names
    by their numerical value. So files will be sorted as
    1.txt, 2.txt, 10.txt instead of previous 1.txt, 10.txt, 2.txt.
    This new sort behavior is available in Windows XP Service Pack 2
    and newer.

    8. Ctrl+W key combination can be used to close the main WinRAR window
    also as WinRAR viewer windows. "View as Windows text" shortcut
    in WinRAR viewer changed from Ctrl+W to Ctrl+I.

    9. New command line switch -r- disables recursion completely.
    So 'rar a -r- arc dirname' command will add only the empty
    dirname folder and ignore its contents. By default, if dirname
    does not include wildcards, RAR adds its contents even if
    -r switch is not specified.

    10. If used when extracting, the new command line switch -ai forces
    RAR to ignore file attributes. When using this switch,
    extracted files will always have attributes assigned by
    operating system to a newly created file by default.

    11. If output file name is not specified in "cw" command, console RAR
    will send comment data to stdout.

    12. When compressing stdin data with -si[name] switch, RAR sets
    modification time of archived entry to current system time.
    Previous RAR versions did not fill this field, resulting in
    meaningless modification time for stdin.

    13. Message displayed when you place the mouse cursor on WinRAR
    tray icon includes the archive name now. Previously only
    time left and total percent were displayed for archiving operations.

    14. New 'Shutdown' variable in 'Software\WinRAR\Policy' registry key
    allows to disable "Turn PC off when done" option for security reasons.
    Read "Configuration settings/Registry variables" for more details.

    15. Better shell extension performance. Now WinRAR context menu will be
    more responsive when working with thousands of selected files.

    16. Improved compatibility with high DPI Windows display mode.

    17. Bugs fixed:

    a) WinRAR could fail to open tar or tar.gz archive if such archive
    contained a file larger than 8 GB;

    b) WinRAR context menu did not work properly in Windows 7 beta
    if icons in context menus were enabled and user clicked
    a file inside of Windows 7 Library folder;

    c) previous WinRAR versions failed to rename files having 5 or more
    continuous spaces in the name. WinRAR shell does not display
    such spaces for safety reasons, because they can hide an actual
    file extension. But this security measure prevented the rename
    command to work properly.


    http://www.rarsoft.com/

  24. #24
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    Version 3.91 beta 1

    1. This version can decompress 7-Zip archives created with
    LZMA2 algorithm.

    2. Now a password is requested only once when unpacking 7z archives
    with encrypted file names from context menu. WinRAR 3.90 asked it
    twice.

    3. This version can unpack tar.bz2 archives consisting of several
    smaller bz2 streams merged together. Previous versions unpacked
    only the first nested bz2 stream in such composite archive.

    4. WinRAR displays CRC32 of files inside of usual .gz (not .tar.gz)
    archives. Previous versions left this field blank for GZIP files.

    5. Bugs fixed:

    a) WinRAR 3.90 displayed "Save" button instead of "Open" or "OK"
    in "Find archive" dialog ("Open archive" command in "File" menu
    and "Browse..." command in archiving dialog);

    b) WinRAR could display incorrect file names when browsing malformed
    ZIP archives;

    c) WinRAR 3.90 failed to decompress LZH archives created with
    "-lh7-" algorithm;

    d) WinRAR 3.90 could fail to delete a part of files after archiving
    if delete to Recycle Bin was enabled. This bug was present
    when working in Windows XP, but not in Windows Vista and Windows 7;

    e) when unpacking ISO file using WinRAR "Extract files..." command
    in Explorer context menu, WinRAR could unpack same archived files
    twice during the same operation. It displayed the overwrite prompt
    when unpacking files for the second time;

    f) hexadecimal search in WinRAR 3.90 "Find" command and console RAR
    "ih" command failed to find matches if first byte in search string
    was greater than 127.

  25. #25
    Member DARcode's Avatar
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    Version 3.91 beta 2

    1. WinRAR might crash when testing corrupt CAB files.

    2. Beta 1 crashed on some of TAR.BZ2 archives.

    3. Total progress bar could be displayed incorrectly in "Convert archives"
    command in beta 1.

    4. SFX archives set the wrong value to "sfxcmd" environment variabe
    if user account control prompt was displayed when unpacking.

  26. #26
    Member chornobyl's Avatar
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    WinRAR 3.91

    Version 3.91

    1. This version can decompress 7-Zip archives created with
    LZMA2 algorithm.

    2. Now a password is requested only once when unpacking 7z archives
    with encrypted file names from context menu. WinRAR 3.90 asked it
    twice.

    3. This version can unpack tar.bz2 archives consisting of several
    smaller bz2 streams merged together. Previous versions unpacked
    only the first nested bz2 stream in such composite archive.

    4. WinRAR displays CRC32 of files inside of usual .gz (not .tar.gz)
    archives. Previous versions left this field blank for GZIP files.

    5. Bugs fixed:

    a) WinRAR 3.90 displayed "Save" button instead of "Open" or "OK"
    in "Find archive" dialog ("Open archive" command in "File" menu
    and "Browse..." command in archiving dialog);

    b) WinRAR could display incorrect file names when browsing malformed
    ZIP archives;

    c) WinRAR 3.90 failed to decompress LZH archives created with
    "-lh7-" algorithm;

    d) WinRAR 3.90 could fail to delete a part of files after archiving
    if delete to Recycle Bin was enabled. This bug was present
    when working in Windows XP, but not in Windows Vista and Windows 7;

    e) when unpacking ISO file using WinRAR "Extract files..." command
    in Explorer context menu, WinRAR could unpack same archived files
    twice during the same operation. It displayed the overwrite prompt
    when unpacking files for the second time;

    f) hexadecimal search in WinRAR 3.90 "Find" command and console RAR
    "ih" command failed to find matches if first byte in search string
    was greater than 127.

  27. #27
    Member Fallon's Avatar
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    Post WinRAR 3.92 beta 1

    Version 3.92 beta 1

    1. If you start WinRAR command from Explorer context menu in multiple
    monitor configuration, the command dialog will be displayed
    on the same monitor as context menu. In previous versions it was
    always displayed on primary monitor.

    2. WinRAR "Compress and email..." context menu command adds the archive
    name to email subject. Previous versions left the subject blank.

    3. In RAR 3.91 -x switch could also exclude folders from archiving
    even if mask contained wilcard characters and did not contain a path.
    For example, -x*. excluded all those folders, which do not have
    the extension in the name. Now -x switch uses RAR 3.80 approach
    for masks without path, excluding folders only if mask does not
    contain wildcards and matches the folder name exactly.

    4. Bugs fixed:

    a) WinRAR 3.91 reported the incorrect "Unexpected end of archive"
    error, when opening an empty ZIP archive created with
    "New WinRAR ZIP archive" context menu command;

    b) if "Delete archive" option was enabled when unpacking several
    ZIP archives and if one of archives was damaged, WinRAR did not
    delete archives after the damaged one, even if they were unpacked
    successfully;

    c) if file matched two different masks in RarFiles.lst, WinRAR
    could select the last match. Normally, if neither of masks
    is a subset of another, the first match must be chosen.

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    Does any Winrar version (beta...) support more than 2 cores? I have 3.91 final and that one does not...

  29. #29
    Programmer Bulat Ziganshin's Avatar
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    Quote Originally Posted by JangoFatXL View Post
    Does any Winrar version (beta...) support more than 2 cores? I have 3.91 final and that one does not...
    it uses all cores available for main algo, but ppmd is sinlge-threaded. add -mct-

  30. #30
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    WinRAR 3.92 released
    Code:
      Version 3.92
    
       1. If you start WinRAR command from Explorer context menu in multiple
          monitor configuration, the command dialog will be displayed
          on the same monitor as context menu. In previous versions it was
          always displayed on primary monitor.
    
       2. WinRAR "Compress and email..." context menu command adds the archive
          name to email subject. Previous versions left the subject blank.
    
       3. In RAR 3.91 -x switch could also exclude folders from archiving
          even if mask contained wilcard characters and did not contain a path.
          For example, -x*. excluded all those folders, which do not have
          the extension in the name. Now -x switch uses RAR 3.80 approach
          for masks without path, excluding folders only if mask does not
          contain wildcards and matches the folder name exactly.
    
       4. Bugs fixed:
    
          a) WinRAR 3.91 reported the incorrect "Unexpected end of archive"
             error, when opening an empty ZIP archive created with
             "New WinRAR ZIP archive" context menu command;
    
          b) if "Delete archive" option was enabled when unpacking several
             ZIP archives and if one of archives was damaged, WinRAR did not
             delete archives after the damaged one, even if they were unpacked
             successfully;
    
          c) if file matched two different masks in RarFiles.lst, WinRAR
             could select the last match. Normally, if neither of masks
             is a subset of another, the first match must be chosen.
    http://rarlab.com/download.htm

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