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====================================
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Package "Date::Calc" Version 6.4
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====================================
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Copyright (c) 1995 - 2015 by Steffen Beyer.
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All rights reserved.
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Version history:
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----------------
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Version 6.4 07.03.2015
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+ Fixed t/f016.t, t/f027.t and t/f028.t which started failing on 01/01/2015
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+ Fixed t/f035.t which gave a warning "Unescaped left brace in regex is deprecated"
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with Perl 5.21.x
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Version 6.3 31.10.2009
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+ Changed "Mktime()" to use "POSIX::mktime()"
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+ Fixed the bug that "Date::Calc::PP" was never tested
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when "Date::Calc::XS" is installed
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Version 6.2 16.10.2009
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+ Split the "Date::Calc" distribution into a pure-Perl and a C/XS part
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Version 6.1 15.10.2009
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+ United "Date::Calc" and "Date::Pcalc" into a single distribution
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+ Fixed Polish names of months and days of week (RT ticket #14159)
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Version 6.0 07.10.2009
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+ Added new functions "N_Delta_YMDHMS()", "Add_N_Delta_YMD()"
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and "Add_N_Delta_YMDHMS()" to "Date::Calc"
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+ Added more tests to "t/f037.t" for these new functions
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+ Added a new "normalized" mode to "Date::Calc::Object" which
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uses the new functions "N_Delta_YMD()", "N_Delta_YMDHMS()",
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"Add_N_Delta_YMD()" and "Add_N_Delta_YMDHMS()"
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+ Added test scripts "t/m012.t" and "t/m013.t" for this new mode
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+ The language can now be set individually for each function
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in "Date::Calc" that requires it (through a new optional
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parameter; the default continues to be a global setting
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for backward compatibility); the affected functions are:
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"Decode_Month()", "Decode_Day_of_Week()", "Compressed_to_Text()",
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"Date_to_Text()", "Date_to_Text_Long()", "Calendar()",
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"Month_to_Text()", "Day_of_Week_to_Text()", "Day_of_Week_Abbreviation()",
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"Decode_Date_EU()", "Decode_Date_US()", "Decode_Date_EU2()",
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"Decode_Date_US2()", "Parse_Date()".
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+ BEWARE that the interface of "DateCalc.c" has changed!
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+ Module "Date::Calc::Object" has been changed similarly
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+ Module "Date::Calendar::Year" has also been adapted accordingly
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+ Many test scripts have been changed to reflect the modifications
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in "Date::Calc", "Date::Calc::Object" and "Date::Calendar::Year"
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and more test cases have been added
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+ Updated the documentation to reflect all changes
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+ Updated version numbers of dependencies in "t/f000.t"
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Version 5.8 12.09.2009
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+ Added a new function "N_Delta_YMD()"
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+ Added a new test script "t/f037.t"
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+ Updated the "Calc.pod" manual page accordingly
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+ Renamed "calendar.cgi" in the "examples"
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subdirectory to "calendar.pl"
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+ Added a new CGI script named "datecalc.pl"
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to the "examples" subdirectory
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Version 5.7 23.08.2009
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+ Fixed "october" => "oktober" in Dutch
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+ Disabled the special abbreviated names
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of the days of the week in Portuguese
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+ Made the days which form the weekend con-
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figurable in "Calendar.pm" and "Year.pm"
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+ Added some test cases for this new feature
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in "t/m008.t"
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+ The file "examples/calendar.cgi" now
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also supports this new feature
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+ Updated "README.txt" and "INSTALL.txt"
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and the dependency on "Bit::Vector" 7.0
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+ Added an additional "README.htm" file to this
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distribution highlighting its key points
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+ Updated the documentation of "Date::Calc",
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"Date::Calendar", "Date::Calendar::Profiles",
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"Date::Calendar::Year" and "Date::Object"
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+ See the new module "Date::Calc::Util" (which
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is available separately; to be released soon)
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for all the shortcuts you ever wanted to have
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in "Date::Calc"
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Version 5.6 28.07.2009
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+ Made the module MacOS X compatible
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+ Made some tiny changes to the documentation
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Version 5.5 was skipped due to an unauthorized upload by someone else
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Version 5.4 03.10.2004
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+ Added compiler directives for C++.
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+ Removed "Carp::Clan" from the distribution (available separately).
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+ Fixed bug in initialization of "Date::Calendar::Year" objects.
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+ Added method "tags()" to "Date::Calendar" and "Date::Calendar::Year".
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+ Fixed the formula for "Labor Day" in the U.S. to "1/Mon/Sep".
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+ Added a new recipe to the "Date::Calc" documentation.
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+ Added Romanian to the list of languages supported by "Date::Calc".
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+ Changed the example script "calendar.cgi" to highlight the name
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which led to a given date being a holiday.
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+ Fixed the Polish entries in "Date::Calc".
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+ Added a few commemorative days to the Norwegian calendar profile.
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+ Added "use bytes" to all Perl files to avoid problems on systems
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not using the standard locale "C".
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+ Fixed test 5 of t/m005.t to (hopefully) work under other locales.
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Version 5.3 29.09.2002
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+ Simplified the error message handlers in "Calc.xs".
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Version 5.2 18.09.2002
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+ Changed the Polish profiles from ISO-Latin-2 to ISO-Latin-1.
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+ Fixed the broken tests in "t/f034.t" and "t/m006.t".
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+ Synchronized "Carp::Clan" and "ToolBox.h" with "Bit::Vector" 6.2.
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Version 5.1 08.09.2002
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+ Integrated modifications needed for MacOS / MacPerl.
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+ Added new method "normalize()" (Date::Calc::Object).
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+ Added a new test script "t/m011.t" for "normalize()".
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+ Added a calendar profile for Mexico (Date::Calendar::Profiles).
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+ Little additions to and corrections of the documentation (Date::Calc).
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+ Added Polish (Date::Calc) and a calendar profile for Poland.
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+ Added Hungarian (Date::Calc).
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+ Added some more commemorative days to the profile of Brazil.
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Version 5.0 10.10.2001
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Module "Date::Calc":
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+ Added the following new functions:
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* check_time()
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* Delta_YMD()
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* Delta_YMDHMS()
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* Add_Delta_YM()
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* Add_Delta_YMDHMS()
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* Normalize_DHMS()
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* This_Year()
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* Gmtime()
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* Localtime()
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* Mktime()
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* Timezone()
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* Date_to_Time()
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* Time_to_Date()
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* Fixed_Window()
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* Moving_Window()
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* ISO_LC()
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* ISO_UC()
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+ Added support for Norwegian.
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+ Added support for Swedish.
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+ Added support for Danish.
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+ Added support for Finnish.
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+ Changed the month names of some languages to lower case.
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+ Changed the french "long" date format to a more popular form.
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+ Changed the corresponding test script (t/f012.t) accordingly.
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+ Corrected the spanish texts in ./examples/age_in_days_*.
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+ Fixed the broken parsing of special ISO-Latin-1 characters
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in Date::Calc (replaced <ctype.h> with better solution).
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- Locales wouldn't help here, because "Decode_Language()" must
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work with any locale setting. Moreover, setting a language in
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Date::Calc would also require to set the proper corresponding
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locale in the current environment, which may not be available
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on the current system. The new solution works independently
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of any locale and with ALL languages (in ISO-Latin-1).
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+ Added a patch which should ensure compatibility with VMS
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(this should resolve the problem of too long identifiers).
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+ Added a missing "#include <stdio.h>" statement in DateCalc.c
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(apparently only relevant to very few platforms).
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+ Now automatically detects Perl's "PL_na" macro or switches to its
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older incarnation (in Calc.xs). Same goes for the "GIMME_V" macro.
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+ Changed the function "Add_Delta_YMD()" to have a more intuitive,
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consistent and reversible behaviour. This might break existing
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code, though. (To get the old behaviour, use the new function
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"Add_Delta_YM()" plus "Add_Delta_Days()" thereafter instead.)
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+ Changed the corresponding test script (t/f029.t) accordingly.
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+ Added an optional boolean parameter "orthodox" to "Calendar()"
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for calendars starting with Sunday instead of Monday.
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+ Changed the behaviour of the "Decode_Date_*()" set of functions:
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if the current year is available on the system, then a "moving
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window" strategy is applied to year numbers < 100; otherwise
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it defaults to the previous behaviour (see version 4.3 below).
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+ Also changed the test scripts t/f016.t, t/f027.t and t/f028.t
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accordingly.
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+ Changed the "Week_of_Year()" function: In scalar context, it
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now returns just the week number. BEWARE, this is a DANGEROUS
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feature - see the manual page for why this is so!
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+ Fixed the misspelled word "whether" in the documentation.
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Module "Date::Calc::Object":
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+ Added the module Date::Calc::Object, an object-oriented add-on
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to Date::Calc with overloaded operators.
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Modules "Date::Calendar[::(Year|Profiles)]":
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+ Added the modules Date::Calendar, Date::Calendar::Year and
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Date::Calendar::Profiles, for calculations which need to
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take holidays into account (and for generating calendars).
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Module "Carp::Clan":
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+ Added the module Carp::Clan (used by all new Date::* modules).
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All modules:
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+ Now test scripts for Date::Calc and Carp::Clan ("functions") are
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in files ./t/f*.t, whereas test scripts of other, object-oriented
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modules ("methods") are in files ./t/m*.t.
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+ Added new test scripts for all new modules.
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Version 4.3 08.01.2000
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+ Changed the behaviour of the "Decode_Date_*()" set of functions: Year
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numbers below 100 are now mapped to 1970 - 2069 (yy < 70 ? 20yy : 19yy).
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+ Also changed the test scripts "t/f016.t", "t/f027.t" and "t/f028.t"
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accordingly.
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+ Added Italian (i.e., the number of supported languages is now 7).
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+ Added "English_Ordinal()".
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+ Changed "Date_to_Text_Long()": The format now depends on the chosen
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language (set up your favourite format(s) in "DateCalc.c"!).
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+ Changed test script "t/f012.t" accordingly.
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+ Added a few new "recipes" in the "RECIPES" section of the manual page.
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Version 4.2 07.09.1998
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+ Added two casts to (char *) in the call of strncpy in Calc.xs line 857
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to silence the two corresponding warnings.
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+ Introduced an additional header "Preface" in the POD documentation to
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avoid clobbering of the information displayed by CPAN.pm et al.
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+ Added the new attributes to "Makefile.PL" for ActiveState's port
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of Perl 5.005 to the Win32 platform.
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Version 4.1 08.06.1998
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+ Fixed the bug in "Add_Delta_YMD()" involving month offsets with days at
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the end of the month, which caused this function to return invalid dates.
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Version 4.0 12.05.1998
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+ Complete rewrite of the XS file.
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+ Extensive rewrite of the C library at the core.
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+ Changed the naming conventions for function names from all lower case
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to mixed upper- and lower case.
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+ Added systematic exception handling.
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+ Renamed the package from "Date::DateCalc" to simply "Date::Calc".
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+ Renamed the corresponding files as well as the files of the C core.
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+ Added a new Perl function "Week_of_Year()" (replacing "week_number()").
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+ Changed the Perl function "Week_Number()" to call the C function
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"Week_Number()".
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+ Added new functions "System_Clock()", "Today()", "Now()" and
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"Today_and_Now()".
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+ Added "check_business_date()", "Standard_to_Business()" and
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"Business_to_Standard()".
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+ Ported the functions from "Date::DateCalcLib" from Perl to C.
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+ Dropped the module "Date::DateCalcLib".
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+ Added multi-language support.
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+ Enhanced support for Windows NT/95.
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+ Complete rewrite of the demo programs.
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+ Complete rewrite of the documentation.
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+ Added many new tools (like "upgrade_DC40.pl" and "iso2pc.c").
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Version 3.2 15.06.1997
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+ Added the function "week_of_year()" in the C core because the C function
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"week_number()" returns the last week of the previous year or the first
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week of the next year in a rather hidden way.
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+ The Perl function "week_number()" was not affected by this change.
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Version 3.1 12.06.1997
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+ Added a new function "calendar()" to the "Date::CalcLib" module.
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+ Added a demo program in C named "cal.c_" (imitates the UNIX "cal"
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command) to demonstrate the use of the C core as a stand-alone library.
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Version 3.0 16.02.1997
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+ Added the "Date::DateCalcLib" module as a library of useful functions
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that were contained in the various demo files in previous versions.
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+ Modified the demo programs to use this library instead.
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+ Changed the conventions for unsuccessful returns: Now an empty list
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is returned instead of zeros in all list elements. This makes it
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possible to assign the returned list and to check for success in
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the same statement.
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Version 2.3 22.11.1996
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+ Fixed a problem with unbalanced "malloc" and "free" calls that
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only became apparent in Perl version 5.003: Calling "malloc" in
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the C core of my module and "free" in the XS file produced a
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"bad free() ignored" warning.
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+ Added a function to call "free" in the C core instead.
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Version 2.2 26.05.1996
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+ Bugfix concerning arrays as parameters: Enabling prototypes in
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the XS file caused
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($year,$mm,$dd) = first_in_week(week_number($year,$mm,$dd));
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to break in the previous version, because "week_number()" passes
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an array to "first_in_week()".
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+ Therefore, disabled prototypes.
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Version 2.1 26.05.1996
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+ Bugfix: Changed
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if ((*ss <= 60) and (*mm <= 60) and (*hh <= 24) and
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to
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if ((*ss < 60) and (*mm < 60) and (*hh < 24) and
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+ Applied minor adjustments in orthography and style.
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+ Made the necessary adaptations to conform with the new Perl 5.002
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module standards (mainly concerning $VERSION and prototypes).
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+ The man page is no separate file anymore, it is now included in the
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file "DateCalc.pm" in POD format, where it will automatically be found
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and installed in your "man" directory by "make install".
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Version 2.0 25.05.1996
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+ Added functions "date_time_difference()" and "calc_new_date_time()"
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for date/time calculations (plus some other new functions).
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+ The german man page was dropped because it became too costly (i.e.,
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time consuming) to maintain two man pages.
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+ Dropped the functions "day_short_tab()" and "month_short_tab()",
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because they can be derived from the corresponding full text variants.
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+ Renamed the functions "encode()", "decode()", "valid_date()" and
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"date_string()" to "compress()", "uncompress()", "check_compressed()"
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and "compressed_to_short()", respectively, for more consistency.
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+ Modified the function "day_of_week()" to return 1..7 instead of
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0..6 (in order to make the functions "decode_day()" and
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"decode_month()" work the same way).
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+ Changed the function and table "day_name_tab()" accordingly.
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+ Exported the functions "decode_day()" and "decode_month()",
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which were purely for internal use in previous versions.
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+ Added a utility named "parse_date.pl" to parse the output
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of "/bin/date".
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Version 1.6 20.04.1996
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+ Tested with Perl 5.002 for compatibility (successfully).
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+ Added another demo program which shows how to calculate, for instance,
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the 2nd Thursday of a given month and year.
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This version was never published.
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Version 1.5 14.03.1996
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+ Added a prominent notice that you need an ANSI C compiler in order
|
|
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to successfully install this package, because of too many problem
|
|
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reports of this kind from users.
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+ Added a second demo program for decoding dates in U.S. american format.
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Version 1.4 11.02.1996
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+ Bugfix: The function newSVnv(double) was previously used in the XS file
|
|
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to create a new SV with an integer value passed to it. Fixed this to use
|
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newSViv(IV) instead.
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Version 1.3 10.12.1995
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+ The C library "lib_date.c" is compiled separately now,
|
|
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it is no longer "#include"d in the XS file.
|
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+ Added the function "days_in_month()".
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Version 1.2b 27.11.1995
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+ Fixed EXTEND(SP,num) back into EXTEND(sp,num).
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+ Marginal refinements of the documentation.
|
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+ The fix for type name clashes of previous version apparently succeeded.
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Version 1.2a 21.11.1995
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|
|
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+ Another attempt at fixing the problem of type name clashes.
|
|
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+ Erroneously "fixed" EXTEND(sp,num) into EXTEND(SP,num).
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|
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Version 1.1 18.11.1995
|
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|
|
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+ Added test scripts for "make test".
|
|
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+ Attempt at fixing the problem of type name clashes
|
|
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(changed "uint", "ulong" etc. to "unint", "unlong" etc.).
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Version 1.01 16.11.1995
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+ Made the necessary changes so as to comply with programming standards
|
|
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required for Perl modules.
|
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|
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Version 1.0 14.11.1995 First version under UNIX (with Perl module)
|
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|
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+ Released as an article in the newsgroups comp.lang.perl.misc and
|
|
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de.comp.lang.perl.
|
|
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|
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Version 0.9 01.11.1993 First version of C library under MS-DOS
|
|
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|
|
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+ I wrote this library in my spare time because the company I was working
|
|
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for at that time could have needed it: Instead of storing some values for
|
|
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the last 60 days in an array and the dates of the corresponding days in
|
|
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another array, my library would have permitted to economize the second
|
|
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array, calculating the corresponding date from the index of the first
|
|
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array and the current date.
|
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|
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----------------------------------------------------------------------------
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|