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#######################################################################
# HISTORY
#######################################################################
Important changes marked with ***.

Backwards incompatabilities are now documented more fully in the
   Date::Manip::Changes5
   Date::Manip::Changes5to6
   Date::Manip::Changes6
documents.

Written by:
   Sullivan Beck (sbeck@cpan.org)
Any suggestions, bug reports, or donations :-) should be sent to me.

Version 1.0  1995-01-20
   *** Combined all routines into one library

Version 1.1  1995-02-08
   Added leap year checking
   Both "Feb" and "February" formats available

Version 1.2  1995-03-31
   Made months case insensitive
   Added a few date formats

Version 2.0  1995-04-17
   Included ideas from packages
      Time::ParseDate (David Muir Sharnoff)
      date.pl 3.2     (Terry McGonigal)
   Made error checking much nicer
   *** Added seconds to ParseDate

Version 3.0  1995-05-03
   Added %DATE_ global variable to clean some stuff up
   Simplified several routines
   Added today/tomorrows/etc. formats
   *** Added UnixDate
   *** Added ParseDateDelta

Version 4.0  1995-08-13
   *** Switched to perl 5
   Cleaned up ParseDate, ParseDateDelta
   Added time first formats to ParseDate
   *** First public release

Version 4.1  1995-10-18
   Changed %DATE_ to %DateManip::Date
   *** Rewrote ParseDateDelta
   *** Added DateCalc

Version 4.2  1995-10-23
   UnixDate will now return a scalar or list depending on context
   ParseDate/ParseDateDelta will now take a scalar, a reference to a
      scalar, or a reference to an array
   Added copyright notice (requested by Tim Bunce)
   *** Simple timezone handling
   *** Added Date_SetTime, Date_GetPrev, Date_GetNext

Version 4.3  1995-10-26
   Added "which dofw in mmm" formats to ParseDate
   Added a bugfix of Adam Nevins where "12:xx pm" used to be parsed
       "24:xx:00".

Version 5.00  1996-06-21
   *** Switched to a package (patch supplied by Peter Bray
      o  renamed to Date::Manip
      o  changed version number to 2 decimal places
      o  added POD documentation
      Thanks to Peter Bray, Randal Schwartz, Andreas Koenig for suggestions
   Fixed a bug pointed out by Peter Bray where it was complaining of
      an uninitialized variable.

Version 5.01  1996-06-24
   Fixes suggested by Rob Perelman
      o  Fixed a typo (Friday misspelled Fridat)
      o  Documentation problem for \$err in DateCalc
      o  Added %F formtat to UnixDate
   Reworked a number of the ParseDate regular expressions to make
      them more flexible
   Added "Date at Time" types
   *** Weekdays can be entered and checked
   Two digit years fall in the range CurrYear-89 to CurrYear+10

Version 5.02  1996-07-15
   Fixed a bug where repeated calls to ParseDate("today") was not reset
   Replaced the %Date::Manip::Date variable with a large number of
      other, more flexible variables
   *** Added some internationalization (most of the routines had to be
      modified at least slightly)
   Rewrote the Init routine

Version 5.03  1996-07-17
   Fixed a couple of bugs in UnixDate.
   Declared package variables to avoid warning "Identifier XXX used
      only once".  Thanks to Peter Bray for the suggestion.

Version 5.04  1996-08-01
   Added support for fractional seconds (as generated by Sybase).  They
      are parsed and ignored.  Added by Kurt Stephens
   Fixed bugs reported by J.B. Nicholson-Owens
      o  "Tue Jun 25 1996" wasn't parsed correctly (regexp was case
         sensitive)
      o  full day names not parsed correctly
      o  the default day in ErrorCheck should be 1, NOT currd since when
         currd>28, it may not be a valid date for the month

Version 5.05  1996-10-11
   Added Swedish translation (thanks to Andreas Johansson
   Fixed bad mistake in documentation (use Date::Manip instead of
      use DateManip) pointed out by tuc@valhalla.stormking.com
   Fixed bug introduced in 5.04 when default day set to 1.  When no
      date given, have day default to today rather than 1.  It only
      defaults to one if a partial date is given.
   Changed deltas to be all positive or all negative when produced by
      DateCalc.  Suggested by Steve Braun
   Fixed bug where Date_DaysSince999 returned the wrong value (the
      error did not affect any other functions in Date::Manip due to
      the way it was called and the nature of the error).  Pointed out
      by Jason Baker
   Minor improvements to documentation.
   Documented the 'sort within a sort' bug.
   Added DateManipVersion routine.
   Dates with commas in them are now read properly.
   *** Now supports timezones.
   *** Parses RFC 822 dates (thanks to J.B. Nicholson-Owens for suggestion).
   Parses ctime() date formats (suggested by Matthew R. Sheahan).
   *** Added Date_ConvTZ routine for timezone support.
   Fixed two places where a variable was declared twice using my (thanks
      to Ric Steinberger).
   Hopefully fixed installation problems.
   Now supports times like "noon" and "midnight".
   Got rid of the last (I think) couple of US specific strings.
   The time separators are now language specific so the French can
      write "10h30" and the Swedes can write "10.30".  Suggested by
      Andreas Johansson.
   Fixed type in documentation/README pointed out by James K. Bence.
   Fixed bug in Date_SetTime (didn't work with $hr,$min,$sec < 10).
   Added ModuloAddition routine and simplified DateCalc.
   Date_TimeZone will now also check `date '+%Z'` suggested by
      Aharon Schkolnik.

Version 5.06  1996-10-25
   Fixed another two places where a variable was declared twice using my
      (thanks to Ric Steinberger).
   Fixed a bug where fractional seconds weren't parsed correctly.
   Fixed a bug where "noon" and other special times were not parsed
      in the "which day of month" formats.
   Added "today at time" formats.
   Fixed a minor bug where a few matches were case sensitive.
   ParseDateDelta now normalizes the delta as well as DateCalc.
   Added %Q format "YYYYMMDD" to UnixDate.  Requested by Rob Perelman.
   The command "date +%Z" doesn't work on SunOS machines (and perhaps
       others) so 5.05 is effectively broken.  5.06 released to fix this.
       Reported by Rob Perelman.

Version 5.07  1996-12-10
   Huge number of code changes to clean things up.
   Added %q format "YYYYMMDDHHMMSS" to UnixDate.  Requested by Rob Perelman.
      Also added %P format "YYYYMMDDHH:MM:SS".
   Added a new config variable to allow you to work with multiple internal
      formats (with and without colons).  Requested by Rob Perelman.
      See Date_Init documentation.
   Added the following formats suggested by Andreas Johansson:
         sunday week 22 [in 1996] [at 12:00]
         22nd sunday [in 1996] [at 12:00]
         sunday 22nd week [in 1996] [at 12:00]
   *** Added weeks to ParseDateDelta.  Suggested by Mike Bassman.
      Note that since this is a late addition, I did not change the
      internal format of a delta.  Instead, it is added to the days
      field.
   Added a new config variable to allow you to define the first day of
      the week.  See Date_Init documentation.
   Added the following formats to ParseDate for conveniance (some were
      suggested by Mike Bassman):
         next/last friday [at time]
         next/last week [at time]
         in 2 weeks [at time]
         2 weeks ago [at time]
         Friday in 2 weeks
         in 2 weeks on friday
         Friday 2 weeks ago
         2 weeks ago friday
   Added Date_SecsSince1970GMT, moved the %s format to %o (secs since 1/1/70)
      and added %s format (secs since 1/1/70 GMT).  Based on suggestions by
      Mark Osbourne.  Note this introduces a minor backward incompatibility!
   Date_SetTime now works with international time separators.
   *** Changed how Date_Init arguments work.
   Fixed bug in Date_TimeZone where it didn't recognize +HHMN type time
      zones.  Thanks to Are Bryne.
   Added the %g format (%a, %d %b %Y %H:%M:%S %z) for an RFC 1123 date.
      Suggested by Are Bryne.
   Added WindowsNT check to Date_TimeZone to get around NT's weird date
      command.  Thanks to Are Bryne.
   Subroutines now check to see if 4 digit years are entered.  Suggested
      by Are Bryne.
   Fixed typo (CSD instead of CST).
   *** Now reads a config file.
   Added options to delete existing holidays and ignore global config file.
   *** The d:h:mn:s of ALL deltas are normalized.
   Added local($_) to all routines which use $_.  Suggested by Rob
      Perelman.
   Date_GetNext and Date_GetPrev now return the next/prev occurence of a
      time as well as a day.  Suggested by Are Bryne.
   *** Complete rewrite of DateCalc.
   In approximate mode, deltas now come out completely normalized (only 1
      sign).  Suggested by Rob Perelman.
   *** Added business mode.  See documentation.  Suggested by Mike Bassman.
   *** Modified how deltas are normalized and added the DeltaSigns config
      variable.
   *** Added test suite!
   Fixed sign in military timezones making Date::Manip RFC 1123 compliant
      (except that timezone information is not stored in any format)
   Added Date::Manip::InitDone so initialization isn't duplicated.
   Added a 3rd internal format to store YYYY-MM-DD HH:MN:SS (iso 8601).
   Fixed a bug where UnixDate %E format didn't work with single digit
      dates.  Patch supplied by J\yrgen N\yrgaard.
   Added a config variable to allow you to work with 24 hour business
      days.  Suggested by Mike Bassman.
   ParseDateDelta now returns "" rather than "+0:0:0:0:0:0" when there is
      an error.
   Fixed a bug where "today" was not converted to the correct timezone.

Version 5.07p2  1997-01-03
   *** Added lots of timezone abbreviations.
   *** Can now understand PST8PDT type zones (but only in Date_TimeZone).
   Fixed some tests (good for another year).
   Fixed a bug where a delta component of "-0" would mess things up.
      Reported by Nigel Chapman.
   Released two patches for 5.07.

Version 5.08  1997-01-24
   *** Fixed serious bug in ConvTZ pointed out by David Hall.
   *** Modified Date_ConvTZ (and documented it).
   Released 5.08 to get this and the other two patches into circulation.

Version 5.09  1997-01-28
   Upgraded to 5.003_23 and fixed one problem associated with it.
   Used carp and changed all die's to confess.
   Replaced some UNIX commands with perl equivalents (date with localtime
      in the tests, pwd with cwd in the path routines).
   Cleaned up all routines working with the path.
   Tests work again (broke in 5.08).  Thanks to Alex Lewin and Michael Fuhr
      for running debugging tests.

Version 5.10  1997-03-19
   Tests will now run regardless of the timezone you are in.
   Test will always read the DateManip.cnf file in t/ now.
   A failed test will now give slightly more information.
   Cleaned up In, At, and On regexps.
   DateManip.cnf file in t/ now sets ALL options to override any changes
      made in the Manip.pm file.
   Added documentation for backwards incompatibilities to POD.
   Added 2 checks for MSWin32 (date command and getpw* didn't work).  Thanks
      to Alan Humphrey.
   Fixed two bugs in the DateCalc routines.  Pointed out by Kevin Baker.
   Fixed some problems in POD documentation.  Thanks to Marvin Solomon.
   Fixed some problems with how "US/Eastern" type timezones were used.
      Thanks to Marvin Solomon.
   Fixed minor POD error pointed out by John Perkins.
   Added a check for Windows_95.  Thanks to Charlie W.
   Changed documentation for Date_IsWorkDay (it was quite confusing using
      a variable named $time).  Thanks to Erik M. Schwartz.
   Cleaned up checks for MacOS and Microsoft OS's.  Hopefully I'm catching
      everything.  Thanks to Charlie Wu for one more check.
   Fixed typo in docs (midnight mispelled).  Thanks to Timothy Kimball.
   Fixed a typo which broke Time%Date (Date=dd%mmm%yy) format.  Thanks to
      Timothy Kimball.

Version 5.11  1997-08-07
   Added one more check for NT perl.  Thanks to Rodney Haywood.
   Added METDST timezone.  Thanks to Paul Gillingwater.
   Added CEST timezone.  Thanks to Rosella Antonio.
   Added some comments to help me keep my personal libraries up-to-date
      with respect to Date::Manip and vice-versa.
   Fixed a bug which showed up in French dates (though it could happen in
      other languages as well).  Thanks to Georges Martin.
   Added ROK timezone.  Thanks to Kang Taewook.
   Fixed a bug in DateCalc.  Thanks to Thomas Winzig.
   Removed the "eval" statement from CheckFilePath which causes a suid
      c wrapper program to die when it calls a Date::Manip script.
      Thanks to Hank Hughes.
   Fixed a bug in business mode calculations.  Thanks to Sterling Swartwout.
   Fixed a bug in which "1997023100:00:00" was accepted as valid.  Thanks
      to Doug Emerald.
   Fixed a bug in which ConvTZ was not used correctly in ParseDate.  Redid
      portions of Date_ConvTZ.  Thanks to Vivek Khera.
   Fixed a bug in business mode calculations.  Thanks to Ian Duplisse.
   Added $^X check for Win95 perl.  Thanks to Walter Soldierer.
   Missed one call to NormalizeDelta so the output was wrong.  Thanks to
      Brad A. Buikema.
   Version 5.11 was never released to CPAN.

Version 5.20  1997-10-12
   Reorganized ParseDate more efficiently.
   Fixed some incorrect uses of $in instead of $future in ParseDate.
      Thanks to Erik Corry.
   Added formats:
      *** All ISO 8601 formats
      "Friday"    suggested by Rob Perelman
      "12th"      suggested by Rob Perelman
                  12th (12th day of current month)
      "last day of MONTH"  suggested by Chadd Westhoff
   Added ParseDateString for speed (and simplicity for modifying ParseDate)
   Changed all week handling to meet ISO 8601 standards.
   Added %J and %K formats to UnixDate.
   Added some speedups (more to come).
   Cleaned up testing mechanism a bit and added tests for ISO 8601 formats.
   Added Date_DaysInMonth.

Version 5.21  1998-01-15
   Documented how to get around Micro$oft problem.  Based on a mail by
      Patrick Stepp.
   Now passes Taint checks.  Thanks to Mike Fuhr, Ron E. Nelson, and
      Jason L Tibbitts III.
   Put everything in a "use integer" pragma.
   Added YYtoYYYY variable.  Suggested by Michel van der List.
   Added a missing space in the %g UnixDate format.  Thanks to Mike Booth.
   Fixed some Australian time zones.  Kim Davies.
   Removed all mandatory call to Date_Init (only called when current time
      is required).  Significantly faster.
   Added the UpdateCurrTZ variable to increase speed at the cost of being
      wrong on the timezone.
   Cleaned up multi-lingual initialization and added the IntCharSet
      variable.
   Improved French translations.  Thanks to Emmanuel Bataille.
   Fixed a bug in Date_ConvTZ.
   Fixed another bug in Date_ConvTZ.  Thanks to Patrick K Malone.
   Added "Sept" as a recognized abbreviation.  Thanks to Martin Thurn.
   Added British date formats.  Thanks to Piran Montford.
      monday week
      today week
      as well as some US formats
      in 2 months
      next month
   Time can now be written 5pm.  Piran Montford.
   Added the TomorrowFirst variable and Date_NearestWorkDay function.
   Fixed a bug in Date_IsWorkDay.
   Typo in the French initialization.  Thanks to Michel Minsoul.
   Fixed how %W and %U was incorrectly stored between weeks 52,53,01.
      They now return the correct week (no more week 00).  Added UnixDate
      formats %G and %L to correctly handle the year.  Thanks to Samuli
      Karkkainen.
   Added ForceDate variable. Based on a suggestion by Christian Campbell.
   Fixed the tests to not fail in 1998.

Version 5.30  1998-01-21
   *** Added a week field to deltas.
   All routines can now take either a 2- or 4-digit year.
   Added Delta_Format.  First suggested by Alan Burlison.
   Added Date_SetDateField.  Thanks to Martin Thurn.
   Made the $err argument to DateCalc optional.
   Changed the name of several of the library routines (not the callable
      ones) to standardize naming.
   *** Added ParseRecur.  First suggested by Chris Jackson.

Version 5.31  1998-04-08
   Fixed a bug in ParseDateDelta (seems to appear only in 5.005 prereleases).
      Found by Larry W. Virden.
   Some fixes to the French translations by Emmanuel Bataille.
   Missed one form in ParseDate.  Noted by Tuc.
   Fixed a bug where "15:00:00" couldn't be parsed.  Michael Pizolato.
   Relaxed some restrictions on timezones so ISO-8601 dates can use
      non-ISO-8601 timezones.  Noted by John Chambers.
   Added "epoch SECS" format to ParseDateString.  Thanks to: Joshua M. Burgin.
   Split Manip.pm.  New files are HISTORY, TODO, Manip.pod.
   Fixed a bug in ParseDateDelta.  Antonio Rosella.
   Minor documentation fixes.  Will Linden.
   Added German support.  Thanks to Andreas C. Poszvek.
   Removed the only occurence of $& (which may speed some things up).  Fix
      by Ken Williams.  First suggested by Abigal.
   Fixed a bug in converting timezones with a minutes field (+1030).  Found
      by Paul O.
   Fixed an overflow bug in doing date calculations with 2 dates more than
      70 years apart.  Fix by Vishal Bhatia.
   Added a patch by Blair Zajac to make Date_NthDayOfYear work with decimal
      days.
   Fixed a bug where "5:00pm" wasn't always parsed correctly.  Thanks to
      Jim Trocki.
   Fixed a bug in UnixDate (it wouldn't return the correct string for a
      format who's last character was '0') noted by Ramin V.
   Fixed a documentation problem with Date_GetPrev.  It was still 0-6
      instead of 1-7.  Thanks to Robert Klep.

Version 5.32  1998-08-17
   Added "in N days" and "N days ago" formats.  Tony Bowden.
   Added cYYYY format to YYtoYYYY variable.  Mark Rejhon.
   Allowed timezones of the format STD-#DST-#.  Peter Gordon.
   Documentation fix.  Peter Gordon.
   Added Hong Kong, Singapore, and Korean timezones.  W. Phillip Moore.
   Fixed a bug where the deltas could be off by up to a couple minutes in
      some rare cases.  Herman Horsten.
   Minor documentation changes.  Yamamoto Hiroshi.
   Fixed an "uninitialized symbol" warning.  Mark D. Anderson.
   Added timezone support for "+0500 (EST)".  Tom Christiansen.
   Removed support for oldstyle Date_Init arguments.
   Fixed a bug where holidays were't erased.  Jonathan Wright.
   Added GB timezone.  Michael Smith.
   Added Polish support.  Ian Wojtowicz.
   Applied a bug fix from Joe Chapman where the %W/%U UnixDate formats
      were frequently wrong.
   Added Dutch support.  Abigal.
   Added 2 days/weeks/months later in both ParseDate and ParseDelta (for
      Dutch support).  Abigal.
   Several minor fixes and improvements.  Abigal.
   Added some VMS support.  Charles Lane.
   Fixed a bug which caused a test to fail on some systems.  Charles Lane.
   *** Changed DateManip.cnf to Manip.cnf (to get rid of problems with
      certain OS's that can't handle filenames that aren't 8.3 characters)
      for ALL non-Unix platforms (Wintel, VMS, Mac).  For all Unix platforms,
      it's still .DateManip.cnf .  Also, it will only look in a users home
      directory on VMS and Unix.
   Added info about the RCS problem.  Supplied by Kipp E. Howard.
   Added "Y:M:0*-DOM:0:0:0" to ParseRecur.  Jeff Yoak.
   Added A.M. and P.M. parsing (not just AM and PM).  William W. Arnold.
   Added timezone.  Samuli Karkkainen
   Fixed a bug where "-1second" was treated as a date rather than a delta
      in DateCalc.  Kenneth Ingham
   Restricted timzeones parsing to 0000-2359 instead of 0000-9999.
      Frank Cusack
   Added a bit to the Makefile.PL (as it was distributed in the Win32
      Perl Resource Kit).  Murray Nesbitt
   Fixed a German initialization problem.  Thomas Horster-Moller
      and Christian Reithmaier

Version 5.33  1998-08-20
   Added Spanish support.  Bautista Jasso Javier
   Fixed a bug where "1 month ago" was no longer working (and added it
      to the test cases).  This broke when I fixed the "-1second" bug
      above.  A result of this is that a number of "deltas" can be parsed
      as dates (i.e. &ParseDate("1 hour 20 minutes ago") is equivalent to
      &DateCalc("now","1 hour 20 minutes ago")).  Only text deltas can
      be used in this way (i.e. &ParseDate("-0:0:0:0:1:20:0") will not
      work).

Version 5.34  1999-04-13
   Fixed a bug where a date passed in as an array wasn't getting the
      date removed from the array.  Rick Wise
   Added tests for MPE/iX OS.  John Testa
   Fixed a bug where WorkDayBeg=8:00 went into an infinite loop.
      Mark Martinec
   A number of typos fixed.  Ron Pero
   Added exact business mode.  Ian Duplisse
   Changed a business week to be the same as an exact week.  Abigal
   Added Portuguese.  Rui Pedro da Silva Leite Pereira
   *** Switched all variables from Date::Manip::VAR to my(VAR).  This means
      no more access to Date::Manip internals.  Based on suggestion by
      Tom Christiansen
   Changed %z UnixDate format to return the GMT offset.  Tuc
   The format "22nd sunday" now returns the real 22nd sunday, NOT the sunday
      of week 22 (based on whatever definition of week 1 is active).
   Fixed a bug where "sunday week 0" didn't work (only affected week 0)
      Gerald Rinske
   Minor bug (my variable declared twice).  Paul J. Schinder
   Added "mmmYYYY" and "YYYYmmm" formats.  As a result, "DDYYmmm" and
      "mmmDDYY" formats changed to "DD/YYmmm" and "mmmDD/YY".  David Twomey
   *** Added Date_Cmp routine.  This will work even after the new internal
      format goes into affect.  Added now in response to a question by
      Al Sorrell (I should have added it earlier).
   At the request of the UN, I added the SAT timezone.  :-)  Howard Hendler
   Fixed a bug where "epoch SECONDS" was getting parsed wrong (for SECONDS
      which could be interpreted as an ISO-8601 date).  N. Thomas
   Fixed a problem where init files were not being read.  Mike Reetz
   Fixed a bug where timezones were converted multiple times if ConvTZ was
      set and DateCalc called.  Steven Hartland

Version 5.35  1999-07-06
   Added Romanian support (including 2 test files).  Iosif Fettich
   Made "epoch" not case sensitive and fixed a bug where it would fail in
      some languages.  Caught because of Iosif's thorough Romanian test file.
   Fixed a problem where "in 5 days/weeks/months" sometimes wouldn't get
      correctly parsed in other languages.  Caught because of Iosif's
      thorough Romanian test file.
   Fixed a weakness in ParseDateDelta brought out by the Romanian delta test
      file.
   Corrected Swedish translations.  Danne Solli
   Documentation updates.
   Modified Date_GetPrev/Date_GetNext to take $curr=2.
   Now parses the Apache log file format "dd/mmm/yyyy:hh:mm:ss (time zone)".
      Mark Ferguson
   Added OS/2 support.  Michael B. Babakov
   Fixed a bug causing warnings in the beta version of perl.  Patch by
      Paul Johnson.
   Some fixes to German translations.  Peter Ehrenberg
   Deprecated the function Date_DaysSince999.  It's been replaced by
      Date_DaysSince1BC.  It will disappear in the next version.
   Fixed support for years 0000-0999.  Requested by Chris Vaughan
   Many changes to recurrences including:
      *** Flags are now supported
      Some bug fixes and documentation changes
      Added test suite
      Added support for Easter (first suggested by Abigal).
      Fixed a bug where base/date0/date1 not treated correctly
   Put all the my'ed global variables in a couple hashes to clean up the
      namespace and to make a few future enhancements easier to do.
   Added Italian.  Nicola Pedrozzi
   Added Israel timezones.  Oded Cohen
   Fixed a bug where business weeks weren't being used correctly.  Qian Miao
   Improved holiday support considerably:
      *** Added support for recurrences and one-year-only holidays (the latter
         requested first by Vishal Bhatia.
      Cleaned up holiday variables and redid holiday routines.
      Fixed Veteran's day, added Good Friday (off by default).  Peter Chen
   Fixed a serious typo in the DaysSince1BC routine.  Qian Miao
   Added Date_IsHoliday routine.  Joe Pepin
   *** Added the PathSep config variable to improve support for non-Unix paths.
   *** Date_Init can now return a list of config variables if called in
      array context.  Based on a suggestion by Matt Tuttle.

Version 5.36  2000-01-21
   Fixed a bug in ParseRecur. Lewis Tsao
   Fixed a documentation problem with Date_ConvTZ.  Diab Jerius
   Fixed a bug is UnixDate (%l format).  Jon Hedley
   Fixed a bug in Date_GetNext/Prev.  Christoph Haas
   Fixed a bug in Date_IsHoliday.  Report and patch by Rolf Beutner
   Fixed a bug in UnixDate.  Patch by Kurtis D. Rader
   Added support for 24:00:00 to ParseDate.  William H Asquith
   Added SAST timezone.  Paul Arzul
   Rewrote IsInt routine based on discussion with Sean Hunter
      (approximately 30% faster on a SPARC).

Version 5.37  2000-02-14
   Fixed the sign on the military timezones.  John Scott
   Set ENV{PATH} to help with taint checking.  Joe Lipson
   Fixed a serious bug where HH:24:00 was broken due to support from 24:00:00.
      Scott Egashira

Version 5.38  2000-05-23
   *** Added Events section to config file and Events_List routine.  Prompted
      by Greg Schiedler and paid for by Alan Cezar.
   Added support for ISO8601 dates of the format dateTtime.  Jason Pierce
   Fixed "dofw" format to return the day of the current week as documented
      instead of next week.  Dennis Ingram
   Fixed some typos.  Thanks to Alex Kapranoff
   Fixed a bug where dates in years 1900, 1800, etc. (but not 2000 or other
      400th years) were off by one day in DayOfWeek.  Noble Thomas
   Typo fixed.  Jim Hranicky
   Added the WEST timezone.  Nelson Ferreira
   Fixed a bug in ParseRecur (2-digit years not treated correctly).
      Brian Rectanus
   Added MEZ/MESZ timezones.  David Harper
   Got rid of the "use Cwd" and ENV{PATH} lines which means no more taint
      problems.
   Removed Date_DaysSince999.

Version 5.39  2000-06-27
   Added /etc/timezone support to &Date_TimeZone.  Dirk Eddelbuettel
   Added Canada/Eastern timezone.  Dirk Eddelbuettel
   `date` uses the user's path unless taint checking is on.
   @::DatePath used instead of @Date::Manip::DatePath incorrectly.
      Fixed by John Labovitz.
   Fixed a bug where times such as "5 seconds ago" were not changing
      over time.  Matthew R. Sheahan
   Added timezones.  Eli Selinger

Version 5.40  2001-06-07
   Added an example.  Philip Jones
   Fixed a warning.  Edward Avis
   Fixed a bug where the date wasn't rolling over when parsing dates
      containing only times.  James L. Gordon
   Fixed a bug where some times were defaulting to the current time
      instead of 00:00:00.  Edward Avis
   Added `date +%Z` support in Date_TimeZone.  Mike Bristow
   Added support for negative values is "epoch SECS" type dates.
      Larry Warner
   Fixed a warning if the timezone is supplied as a +HHMM format.
      Viola Mauro
   Fixed a bug in Date_NthDayOfYear with decimal days.  Olga Polyakov
   Fixed a bug where ParseDateDelta returned a delta if nothing was
      passed in.  Jim Hranicky
   Fixed a bug where noon was case sensitive.  Bion Pohl
   Fixed a bug where dateTtime wasn't parsed.  Jeremy Brinkley
   Fixed South African time zone.  David Sieborger
   Fixed a bug in holiday parsing involving recurrences.  Jerry Wilcox
   Added NWD/PWD/DWD flags to ParseRecur.  Peter Wyngaard
   Fixed a bug where an invalid date passed to Date_IsWorkDay produced
      an error message.  Mark Rejhon
   Fixed a bug where EraseHolidays wasn't taking affect correctly.
      Chateauvieux Martial
   Fixed a bug where the list produced by Date_Init couldn't be passed
      back in to Date_Init.  James Elson

Version 5.41  DEVELOPMENT
   Added runtests.bat contributed by Lon Amick
   Added JAVT timezone.  David Coppit
   Fixed bug where -HH:MM and +HH:MM were not being accepted as valid
      timezones.  Hank Barta
   Small patch for OpenVMS.  Martin P.J. Zinser
   Minor doc fix.  Jeremy Tietsort
   Added BRST timezone.  Daniel Serodio
   Added Russian translation.  Dapi
   Made the UnixDate %Z format work with numeric timezones.  Michael Isard
   Minor bug fix where /etc/timezone not correctly read.  Jacek Nowacki
   Added ART timezone.  Fabian Mandelbaum
   Minor enhancement to ParseRecur.  Randy Harmon
   Fixed spelling of Veteran's day.  Dirk Eddelbuettel
   Documentation improvements.  James Olsen
   Added Brazilian timezones.  Raul Dias
   Fixed WEST timezone.  Pedro Melo CUNHA
   Added NOVST timezone.  Roman Y Malakhov
   Additions to Dutch translation.  Willem
   Fixed a bug where timezones -HH:MM weren't handled in ISO 8601 dates.
      Ed Avis
   Fixed a bug involving business deltas with negative hours.  Ludovic
      Dubost
   Modified Delta_Format to treat the entire delta as exact if no month
      component is present.  Due to discussion with Tim Turner
   Added EAT timezone.  David Whiting
   Added BOT timezone.  Khaled Mostaguir
   Added several Australian timezones.  Jason King
   Added some support for NetWare.  Chris Shields
   Added some help for VMS timezones.  Don Slutz
   Applied some robustness patches.  Ed Avis
   Fixed a bug with years <1000.  Jonathan Callahan
   Patch to make Manip.pm -Mstrict clean and better VMS support.
      Peter Prymmer
   Patch to French support.  Patrick Turmel
   Added Tues/Thur abbreviations. Martin Thurn
   Fixed a bug in "1st saturday of 2005" format.  Maurice Aubrey
   Taint check insecure $ENV{PATH} fix.  Ed Avis
   Patch to allow deltas of the form "+ -1 day" to work.  Ed Avis
   Added Turkish. Giray
   Added Danish.  Jesper Dalberg
      A patch for Danish was send by Jorgen Norgaard previously, and
      I somehow overlooked it (I have a mail folder containing as-yet
      unimplemented suggestions). I apologize for that.
   Added some checking to the timezone determination.  Ed Avis
   ***Replaced all non-ASCII characters with hex representations to avoid
      the malformed UTF-8 character warnings. Ed Avis
   Removed ampersands from function calls in documentation to fit new
      perl coding standards.  Bill Pollock
   Fixed a bug where spaces in a date caused problems in German (due
      to the number 1st, 2nd, etc. being 1., 2., etc.).  Erik Roderwald

Version 5.42  2003-07-02
   Number changed to distinguish between the development release (5.41)
      and official release since.

Version 5.42a 2003-07-03
   A quick fix to replace a faulty test.

Version 5.43  DEVELOPMENT
   Fixed German translations.  Oliver Scheit
   Minor doc fix.  Reuben Thomas
   Fixed a bug is ParseRecur where values passed in were no overriding
      old values in the recurrence.  Scott Barker
      (reported to the Debian bugs list).
   Added TodayIsMidnight.  Reuben Thomas
   Clarified docs on %W/%G/%U/%L formats.  Joel Savignon
   Fix for a potential problem in the "0000" timezone.  Ed Avis
   Documentation fixes.  Ed Avis
   Changed taint check to be the one in persec(1).  Max Kalika
   Minor fix so DateInit("VAR=") will work.  Thomas Bohme
   Minor corrections to Italian.  Nicola Pedrozzi
   Fixed a problem with single character military timezones (T and W)
      conflicting with ISO 8601 T and W dates.  Hugo Cornelis
   Added "approx" mode to Delta_Format and reversed change to default
      Delta_Format behavior to the one from version 5.40.  Based on
      discussion with Adam Spiers.
   Fixed a bug where business mode was kept operative even after the
      calculation was over.  Emiliano Bruni
   Minor change to run under cygwin.  Niel Markwick
   Minor documentation fix.  Thomas Winzig
   Added timezones.  Michael Wood-Vasey
   Minor VMS fix.  Martin P.J. Zinser
   Small fix to taint checking.  David Worenklein
   Small correction to Brazil timezones.  John McDonald
   Added a timezone.  Don Robertson
   Fixed a problem where deltas were getting misinterpreted as dates.
      Harry Zhu
   Added a timezone.  Michael D. Setzer II
   Fixed a bug in ParseRecur where "last day of every March" couldn't
      be done.  Andras Karacsony
   ***Revamped the recurrences. Y-0-WOY-DOW now refers to the WOY'th
      occurence of DOW instead of the ISO 8601 date Y-W(WOY)-DOY. Also,
      changed Y-0-WOY-0 to refer to the WOY'th occurence of FirstDay,
      and got rid of the MW and MD flags. Many other similar changes.
   Fixed a bug in business mode calculations.  Tracy L Sanders
   Added timezone.  Andres Tarallo
   Added the language Catalan.  Xavi Drudis
   Modified %x UnixDate format to use DateFormat config variable.
      Matt Lyons
   Added %O UnixDate format.  Martin Thurn
   Sorted all events and dates returned by Events_List.  This fixes
      problems with tests on some versions of perl.  Tulan

Version 5.44  2005-06-02
   Released

Version 5.45  DEVELOPMENT
   Fixed bug in parsing ISO 8601 dates.  Paul Schinder
   Language fix for Danish. Claus Rasmussen
   Added "overmorrow". Ed Avis
   Language fix for German. Andreas Dembach
   Fixed a bug in UnixDate for years before 1000 AD. Joaquin Ferrero
   Fixed a bug where "today" wasn't case insensitive.  Pedro Rodrigues
   New timezones.  Khairil Yusof, Andy Spiegel, Ernesto Rapetti
   Fixed a bug where business/approximate mode wasn't correctly used in
      DateCalc.  Mark T. Kennedy
   Minor documentation improvement.  Caminati Carlo
   Bug in DateCalc where you couldn't pass undef as the errref.  Alex Howansky
   Bug where cygwin wasn't using the date command. Rafael Kitover
   New timezones. Robin Norwood
   Fixed russian timezones. Yuri Kovalenko
   Lots of spelling fixes. Asaf Bartov

Version 5.46  2007-02-21
   Released

Version 5.47  DEVELOPMENT
   Revised some of the docs about Y2K (given that it's in the past) and
      the 2007 US daylight saving time rule changes. Suggested by
   Fixed a problem in the WEST timezone.  Cristina Nunes
   Added timzezone. Kimmo R. M. Hovi
   Fixed the version number.  John R. Daily
   Fixed a warning when the date command not present.  Daniel Hahler
   Fixed a bug where recurrences of the form 0:1*, 0:0:1*, etc.,
      incorrectly required a base date.  Gerry Lawrence
   Fixed a bug where "substring" was used instead of "substr".

Version 5.48  2007-11-27
   Released

Version 5.49  DEVELOPMENT
   Corrected typo in %G and %L format descriptions.  Troy A. Bollinger
   Added "ereyesterday". Ed Avis
   Added timezones. Damyan Ivanov
   Added timezone. Ernesto Hernandez-Novich
   Added timezone. Gregor Herrmann
   Added timezone. Nicholas Riley
   Added timezone. Enrique Verdes
   Added timezone. Alexander Litvinov
   Added Build.PL and several other things to meet requirements on
      http://cpants.perl.org/

Version 5.50  2008-05-05
   Released

Version 5.51  DEVELOPMENT
   Additional changes to meet requirements on http://cpants.perl.org/
   Fixed bug where the wrong version was in Build.PL

Version 5.52  2008-05-08
   Released

Version 5.53  DEVELOPMENT
   Final changes to meet requirements on http://cpants.perl.org/
   Bug fix so it won't fail with "Too early to specify a build action"

Version 5.54  2008-05-09
   Released

Version 5.55  2010-02-22
   Typo fix.  ddascalescu
   Added all of the timezone abbreviations from version 6.xx .

Version 5.56  2010-02-24
   Bug fix (Date_PrevWorkDay) and documentation fix.  RT #17005
   Bug fix. I accidentally included a require 5.10 which made Date::Manip
      not work with earlier versions of perl. Nicholas Riley

Version 5.57  Released with 6.10
   Fixed a bug where years earlier than 1000 AD failed in calculations.  John
   Combined 5.xx and 6.xx. As of 6.10, Date-Manip-6.xx will contain both the
      Date::Manip 5.xx and 6.xx modules, and the appropriate one will be
      automatically installed. This will allow all of the automatic module
      tools to work correctly.
   Documentation improvement.  Josef Kreulich
   Improved timezone detection.  Stepan Kasal

Version 5.58  Released with 6.11
   Fixed a bug in some of the tests that were causing two tests to fail.  JD
   Explicitly set TZ in all tests to avoid some failures (it got left out of
      a few when it was bundled with 6.10).

Version 5.59

Version 6.00  2009-11-23
   Date::Manip 6.00 is a total rethink of the module, and a nearly complete
   rewrite. Please refer to the Date::Manip::Changes5to6 document for a list
   of incompatible changes.

   *** Massive reorganization and near total rewrite.
   *** Broke into several smaller modules
   *** Full timezone support (using tzdata 2009s)
   Several config variables deprecated
   Added some functionality (suggested by James Elson to improve setting
      the "current time".  Done with the ForceDate config variable.
   *** Converted languages to YAML for much easier maintenance. Patch and
      suggestion provided by Evan Carroll
   Added much better formats for deltas. Suggested by Jim Hranicky.
   Borrowed the _FindWindowsTZName function from the DateTime-TimeZone
      module.
   Added SetDate config variable (based on a suggestion by Christian Campbell).
   Added parse_format which was first suggested by Kim Ryan.
   Thanks to Jonathan Hogue for helping test Windows additions.

   It also contains a few bug fixes correcting problems in the 5.xx releases:

   Fixed a bug where "YYtoYYYY=c" wouldn't work.
   VMS bugfix to not call `date` command.  Lane
   Fixed typo in turkish translation.
   Spelling fix in dutch. Bart Van Loon
   New Year's Day defined using a recurrence which might push the observed
      day to the previous year was broken. Reported by Alan Burlison

   I have received many suggestions over time which were automatically
   handled during the 6.00 rewrite. Although the changes weren't made
   because of the suggestions specifically, I wanted to acknowledge
   them since I appreciate the suggestions.

   I believe the first person to suggest writing Date::Manip as an OO
      module was Eduard Derksen.
   Delta_Format initialization done outside of the function.  Eric Boehm
   Added $subtract to calculation routines. First suggested by Steve Berlage.
   Added ability to set individual parts of the date (Date::Manip::Date::set).
      First suggested by Martin Thurn.
   UnixDate (i.e. Date::Manip::Date::printf) only calculates formats when
      they are needed.  Eduard Derksen
   Parsing will skip some date/time formats if requested. This was first
      suggested by Eduard Derksen.
   It has been suggested several times to support multiple languages,
      multiple config files, or multiple sets of Date_Init
      options. These suggestions (by Meng Fang, Ed Avis, Christian
      Campbell, and perhaps others) were at the back of my mind as I
      developed the Date::Manip::Base class.
   The regular expressions are all i18n friendly in anticipation of much
      better support for localization. First suggested by Alex Kapranoff.
   Parsing a date ('today', 'Monday') gives a time of '00:00:00'. Suggested
      by Mark Aitchison.

Version 6.01  2009-11-23
   *** Fixed a bug where dates were sometimes getting the wrong timezone when
      SetDate/ForceDate in effect.

Version 6.02  2009-11-24
   A quick fix to make sure that the tests run correctly in other timezones.
   Disabled curr_zone_methods when taint checking on. I believe that Date::Manip
      is completely taint friendly at this point.

Version 6.03  2009-11-24
   Corrects a backward incompatibility with UnixDate. Rene Schickbauer
   A couple more corrections to the tests.

Version 6.04  2009-11-25
   Fixed a bug where events were not interpreted in the correct timezone if
      SetDate/ForceDate used.

Version 6.05  2009-12-09
   *** Significant speedups. Thanks to Moritz Lenz and BrowserUK on perlmonks
      for suggestions (and a number of other people on perlmonks for suggestions
      that I did not end up using, but which provided a great discussion).
   Reduced the precision of 1 test to avoid a rounding difference when using
      a perl compiled with uselongdouble.  Andreas Koenig
   Fixed a bug in parse_date where the current time was getting used instead
      of the documented 00:00:00
   Bug fix where DateCalc didn't work with $mode in some cases.
   Fixed Makefile.PL/Build.PL to hanle Win32::TieRegistry requirement.
   Changed %z printf behavior back to 5.xx and added %N format. Gilles Lamiral
   Fixed bug where non-English Windows versions didn't get the timezone. Thanks
      to Rene Schickbauer for testing.
   Added dm_date example script.

Version 6.06  2010-02-05
   Added dm_zdump example script.
   Minor bug where %Z printf format didn't always work.
   Improved TZ::periods functionality
   Fixed bug in Date_ConvTZ where empty values weren't defaulting to local timezone.
      Robert Eden
   Fixed a couple of problems in the generated timezones for some odd cases
      (America/Resolute and Asia/Tehran).
   Added support for 5pm back in (it was omitted accidentally).  Mark Kennedy
   Fixed a minor warning.  Morten Bjoernsvik
   Some additional speedups.
   Newest zoneinfo data (tzdata 2010b)

Version 6.07  2010-02-05
   Fixed bug in Date_TimeZone where it wasn't returning the timezone.  Robert Eden

Version 6.10  2010-04-29
   Fixed a bug where Date_ConvTZ not working correctly with timezones specified
      by offset.  Chris Butler
   Fixed a documentation bug in Date::Manip::TZ where "stdonly" was listed as the
      default value for $dstflag, but in actuality, "std" is the default.
   Changed Date::Manip::TZ::zone so "dst" is sometimes the default $dstflag.
      Based on the bug report by Chris Butler.
   OpenUNIX puts a colon at the start of some timezones. It's removed.  Jean Hassler
   Fixed a bug where business mode calculations involving minutes was not handled
      correctly.  Damien Moore
   *** Combined 5.xx and 6.xx releases into one distribution so cpan/cpanp will
      work correctly.
   Newest zoneinfo data (tzdata 2010i)
   Fixed a bug where business mode calculations failed in some cases.  RT 56638
   Converted tests to Test::Inter

Version 6.11  2010-04-30
   Fixed a problem in Build.PL that had an incorrect module requirement.

Version 6.12