2 commits - plugins/libkolab

Thomas Brüderli bruederli at kolabsys.com
Wed Nov 21 11:21:40 CET 2012


 plugins/libkolab/LICENSE                                      |  661 +++
 plugins/libkolab/bin/Date_Recurrence_weekday.diff             |  325 -
 plugins/libkolab/bin/Date_last_weekday.diff                   |   37 
 plugins/libkolab/bin/get_horde_date.sh                        |   64 
 plugins/libkolab/lib/Horde_Date.php                           | 1304 -------
 plugins/libkolab/lib/Horde_Date_Recurrence.php                | 1673 ----------
 plugins/libkolab/lib/Horde_Kolab_Format_XML_configuration.php |   76 
 plugins/libkolab/lib/kolab_format.php                         |    7 
 plugins/libkolab/lib/kolab_format_configuration.php           |   13 
 plugins/libkolab/lib/kolab_format_contact.php                 |   91 
 plugins/libkolab/lib/kolab_format_distributionlist.php        |   23 
 plugins/libkolab/lib/kolab_format_event.php                   |  135 
 plugins/libkolab/lib/kolab_format_file.php                    |   13 
 plugins/libkolab/lib/kolab_format_journal.php                 |   15 
 plugins/libkolab/lib/kolab_format_note.php                    |   14 
 plugins/libkolab/lib/kolab_format_task.php                    |   15 
 plugins/libkolab/libkolab.php                                 |   11 
 plugins/libkolab/package.xml                                  |  100 
 18 files changed, 761 insertions(+), 3816 deletions(-)

New commits:
commit 025a388ba5cb402b21a1c34e93dffb93cf393bb8
Author: Thomas Bruederli <bruederli at kolabsys.com>
Date:   Wed Nov 21 11:21:19 2012 +0100

    Finally remove the remaining Horde stuff after switching to libkolab for recurrence and format v2 support

diff --git a/plugins/libkolab/bin/Date_Recurrence_weekday.diff b/plugins/libkolab/bin/Date_Recurrence_weekday.diff
deleted file mode 100644
index e8b767d..0000000
--- a/plugins/libkolab/bin/Date_Recurrence_weekday.diff
+++ /dev/null
@@ -1,325 +0,0 @@
---- Date/Recurrence.php.orig	2012-07-10 19:54:48.000000000 +0200
-+++ Date/Recurrence.php	2012-07-10 19:55:38.000000000 +0200
-@@ -95,6 +95,20 @@
-     public $recurData = null;
- 
-     /**
-+     * BYDAY recurrence number
-+     *
-+     * @var integer
-+     */
-+    public $recurNthDay = null;
-+
-+    /**
-+     * BYMONTH recurrence data
-+     *
-+     * @var array
-+     */
-+    public $recurMonths = array();
-+
-+    /**
-      * All the exceptions from recurrence for this event.
-      *
-      * @var array
-@@ -157,6 +171,44 @@
-     }
- 
-     /**
-+     *
-+     * @param integer $nthDay The nth weekday of month to repeat events on
-+     */
-+    public function setRecurNthWeekday($nth)
-+    {
-+        $this->recurNthDay = (int)$nth;
-+    }
-+
-+    /**
-+     *
-+     * @return integer  The nth weekday of month to repeat events.
-+     */
-+    public function getRecurNthWeekday()
-+    {
-+        return isset($this->recurNthDay) ? $this->recurNthDay : ceil($this->start->mday / 7);
-+    }
-+
-+    /**
-+     * Specifies the months for yearly (weekday) recurrence
-+     *
-+     * @param array $months  List of months (integers) this event recurs on.
-+     */
-+    function setRecurByMonth($months)
-+    {
-+        $this->recurMonths = (array)$months;
-+    }
-+
-+    /**
-+     * Returns a list of months this yearly event recurs on
-+     *
-+     * @return array List of months (integers) this event recurs on.
-+     */
-+    function getRecurByMonth()
-+    {
-+        return $this->recurMonths;
-+    }
-+
-+    /**
-      * Returns the days this event recurs on.
-      *
-      * @return integer  A mask consisting of Horde_Date::MASK_* constants
-@@ -546,8 +598,13 @@
-             $estart = clone $this->start;
- 
-             // What day of the week, and week of the month, do we recur on?
--            $nth = ceil($this->start->mday / 7);
--            $weekday = $estart->dayOfWeek();
-+            if (isset($this->recurNthDay)) {
-+                $nth = $this->recurNthDay;
-+                $weekday = log($this->recurData, 2);
-+            } else {
-+                $nth = ceil($this->start->mday / 7);
-+                $weekday = $estart->dayOfWeek();
-+            }
- 
-             // Adjust $estart to be the first candidate.
-             $offset = ($after->month - $estart->month) + ($after->year - $estart->year) * 12;
-@@ -660,8 +717,13 @@
-             $estart = clone $this->start;
- 
-             // What day of the week, and week of the month, do we recur on?
--            $nth = ceil($this->start->mday / 7);
--            $weekday = $estart->dayOfWeek();
-+            if (isset($this->recurNthDay)) {
-+                $nth = $this->recurNthDay;
-+                $weekday = log($this->recurData, 2);
-+            } else {
-+                $nth = ceil($this->start->mday / 7);
-+                $weekday = $estart->dayOfWeek();
-+            }
- 
-             // Adjust $estart to be the first candidate.
-             $offset = floor(($after->year - $estart->year + $this->recurInterval - 1) / $this->recurInterval) * $this->recurInterval;
-@@ -894,15 +956,6 @@
-         case 'W':
-             $this->setRecurType(self::RECUR_WEEKLY);
-             if (!empty($remainder)) {
--                $maskdays = array(
--                    'SU' => Horde_Date::MASK_SUNDAY,
--                    'MO' => Horde_Date::MASK_MONDAY,
--                    'TU' => Horde_Date::MASK_TUESDAY,
--                    'WE' => Horde_Date::MASK_WEDNESDAY,
--                    'TH' => Horde_Date::MASK_THURSDAY,
--                    'FR' => Horde_Date::MASK_FRIDAY,
--                    'SA' => Horde_Date::MASK_SATURDAY,
--                );
-                 $mask = 0;
-                 while (preg_match('/^ ?[A-Z]{2} ?/', $remainder, $matches)) {
-                     $day = trim($matches[0]);
-@@ -953,7 +1006,10 @@
-                 list($year, $month, $mday) = sscanf($remainder, '%04d%02d%02d');
-                 $this->setRecurEnd(new Horde_Date(array('year' => $year,
-                                                         'month' => $month,
--                                                        'mday' => $mday)));
-+                                                        'mday' => $mday,
-+                                                        'hour' => 23,
-+                                                        'min' => 59,
-+                                                        'sec' => 59)));
-             }
-         }
-     }
-@@ -1049,6 +1105,16 @@
-             // Always default the recurInterval to 1.
-             $this->setRecurInterval(isset($rdata['INTERVAL']) ? $rdata['INTERVAL'] : 1);
- 
-+            $maskdays = array(
-+                'SU' => Horde_Date::MASK_SUNDAY,
-+                'MO' => Horde_Date::MASK_MONDAY,
-+                'TU' => Horde_Date::MASK_TUESDAY,
-+                'WE' => Horde_Date::MASK_WEDNESDAY,
-+                'TH' => Horde_Date::MASK_THURSDAY,
-+                'FR' => Horde_Date::MASK_FRIDAY,
-+                'SA' => Horde_Date::MASK_SATURDAY,
-+            );
-+
-             switch (Horde_String::upper($rdata['FREQ'])) {
-             case 'DAILY':
-                 $this->setRecurType(self::RECUR_DAILY);
-@@ -1057,15 +1123,6 @@
-             case 'WEEKLY':
-                 $this->setRecurType(self::RECUR_WEEKLY);
-                 if (isset($rdata['BYDAY'])) {
--                    $maskdays = array(
--                        'SU' => Horde_Date::MASK_SUNDAY,
--                        'MO' => Horde_Date::MASK_MONDAY,
--                        'TU' => Horde_Date::MASK_TUESDAY,
--                        'WE' => Horde_Date::MASK_WEDNESDAY,
--                        'TH' => Horde_Date::MASK_THURSDAY,
--                        'FR' => Horde_Date::MASK_FRIDAY,
--                        'SA' => Horde_Date::MASK_SATURDAY,
--                    );
-                     $days = explode(',', $rdata['BYDAY']);
-                     $mask = 0;
-                     foreach ($days as $day) {
-@@ -1090,6 +1147,10 @@
-             case 'MONTHLY':
-                 if (isset($rdata['BYDAY'])) {
-                     $this->setRecurType(self::RECUR_MONTHLY_WEEKDAY);
-+                    if (preg_match('/(-?[1-4])([A-Z]+)/', $rdata['BYDAY'], $m)) {
-+                        $this->setRecurOnDay($maskdays[$m[2]]);
-+                        $this->setRecurNthWeekday($m[1]);
-+                    }
-                 } else {
-                     $this->setRecurType(self::RECUR_MONTHLY_DATE);
-                 }
-@@ -1100,6 +1161,14 @@
-                     $this->setRecurType(self::RECUR_YEARLY_DAY);
-                 } elseif (isset($rdata['BYDAY'])) {
-                     $this->setRecurType(self::RECUR_YEARLY_WEEKDAY);
-+                    if (preg_match('/(-?[1-4])([A-Z]+)/', $rdata['BYDAY'], $m)) {
-+                        $this->setRecurOnDay($maskdays[$m[2]]);
-+                        $this->setRecurNthWeekday($m[1]);
-+                    }
-+                    if ($rdata['BYMONTH']) {
-+                        $months = explode(',', $rdata['BYMONTH']);
-+                        $this->setRecurByMonth($months);
-+                    }
-                 } else {
-                     $this->setRecurType(self::RECUR_YEARLY_DATE);
-                 }
-@@ -1163,13 +1232,19 @@
-             break;
- 
-         case self::RECUR_MONTHLY_WEEKDAY:
--            $nth_weekday = (int)($this->start->mday / 7);
--            if (($this->start->mday % 7) > 0) {
--                $nth_weekday++;
-+            if (isset($this->recurNthDay)) {
-+                $nth_weekday = $this->recurNthDay;
-+                $day_of_week = log($this->recurData, 2);
-+            } else {
-+                $day_of_week = $this->start->dayOfWeek();
-+                $nth_weekday = (int)($this->start->mday / 7);
-+                if (($this->start->mday % 7) > 0) {
-+                    $nth_weekday++;
-+                }
-             }
-             $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-             $rrule = 'FREQ=MONTHLY;INTERVAL=' . $this->recurInterval
--                . ';BYDAY=' . $nth_weekday . $vcaldays[$this->start->dayOfWeek()];
-+                . ';BYDAY=' . $nth_weekday . $vcaldays[$day_of_week];
-             break;
- 
-         case self::RECUR_YEARLY_DATE:
-@@ -1182,15 +1257,22 @@
-             break;
- 
-         case self::RECUR_YEARLY_WEEKDAY:
--            $nth_weekday = (int)($this->start->mday / 7);
--            if (($this->start->mday % 7) > 0) {
--                $nth_weekday++;
--            }
-+            if (isset($this->recurNthDay)) {
-+                $nth_weekday = $this->recurNthDay;
-+                $day_of_week = log($this->recurData, 2);
-+            } else {
-+                $day_of_week = $this->start->dayOfWeek();
-+                $nth_weekday = (int)($this->start->mday / 7);
-+                if (($this->start->mday % 7) > 0) {
-+                    $nth_weekday++;
-+                }
-+             }
-+            $months = !empty($this->recurMonths) ? join(',', $this->recurMonths) : $this->start->month;
-             $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-             $rrule = 'FREQ=YEARLY;INTERVAL=' . $this->recurInterval
-                 . ';BYDAY='
-                 . $nth_weekday
--                . $vcaldays[$this->start->dayOfWeek()]
-+                . $vcaldays[$day_of_week]
-                 . ';BYMONTH=' . $this->start->month;
-             break;
-         }
-@@ -1223,6 +1305,21 @@
- 
-         $this->setRecurInterval((int)$hash['interval']);
- 
-+        $month2number = array(
-+            'january'   => 1,
-+            'february'  => 2,
-+            'march'     => 3,
-+            'april'     => 4,
-+            'may'       => 5,
-+            'june'      => 6,
-+            'july'      => 7,
-+            'august'    => 8,
-+            'september' => 9,
-+            'october'   => 10,
-+            'november'  => 11,
-+            'december'  => 12,
-+        );
-+
-         $parse_day = false;
-         $set_daymask = false;
-         $update_month = false;
-@@ -1255,11 +1352,9 @@
- 
-             case 'weekday':
-                 $this->setRecurType(self::RECUR_MONTHLY_WEEKDAY);
--                $nth_weekday = (int)$hash['daynumber'];
--                $hash['daynumber'] = 1;
-+                $this->setRecurNthWeekday($hash['daynumber']);
-                 $parse_day = true;
--                $update_daynumber = true;
--                $update_weekday = true;
-+                $set_daymask = true;
-                 break;
-             }
-             break;
-@@ -1297,12 +1392,13 @@
-                 }
- 
-                 $this->setRecurType(self::RECUR_YEARLY_WEEKDAY);
--                $nth_weekday = (int)$hash['daynumber'];
--                $hash['daynumber'] = 1;
-+                $this->setRecurNthWeekday($hash['daynumber']);
-                 $parse_day = true;
--                $update_month = true;
--                $update_daynumber = true;
--                $update_weekday = true;
-+                $set_daymask = true;
-+
-+                if ($hash['month'] && isset($month2number[$hash['month']])) {
-+                    $this->setRecurByMonth($month2number[$hash['month']]);
-+                }
-                 break;
-             }
-         }
-@@ -1368,21 +1464,6 @@
- 
-         if ($update_month || $update_daynumber || $update_weekday) {
-             if ($update_month) {
--                $month2number = array(
--                    'january'   => 1,
--                    'february'  => 2,
--                    'march'     => 3,
--                    'april'     => 4,
--                    'may'       => 5,
--                    'june'      => 6,
--                    'july'      => 7,
--                    'august'    => 8,
--                    'september' => 9,
--                    'october'   => 10,
--                    'november'  => 11,
--                    'december'  => 12,
--                );
--
-                 if (isset($month2number[$hash['month']])) {
-                     $this->start->month = $month2number[$hash['month']];
-                 }
-@@ -1398,7 +1479,7 @@
-             }
- 
-             if ($update_weekday) {
--                $this->start->setNthWeekday($last_found_day, $nth_weekday);
-+                $this->setNthWeekday($nth_weekday);
-             }
-         }
- 
diff --git a/plugins/libkolab/bin/Date_last_weekday.diff b/plugins/libkolab/bin/Date_last_weekday.diff
deleted file mode 100644
index d260360..0000000
--- a/plugins/libkolab/bin/Date_last_weekday.diff
+++ /dev/null
@@ -1,37 +0,0 @@
---- Date.php.orig	2012-07-10 19:14:26.000000000 +0200
-+++ Date.php	2012-07-10 19:16:22.000000000 +0200
-@@ -627,16 +627,25 @@
-             return;
-         }
- 
--        $this->_mday = 1;
--        $first = $this->dayOfWeek();
--        if ($weekday < $first) {
--            $this->_mday = 8 + $weekday - $first;
--        } else {
--            $this->_mday = $weekday - $first + 1;
-+        if ($nth < 0) {  // last $weekday of month
-+            $this->_mday = $lastday = Horde_Date_Utils::daysInMonth($this->_month, $this->_year);
-+            $last = $this->dayOfWeek();
-+            $this->_mday += ($weekday - $last);
-+            if ($this->_mday > $lastday)
-+                $this->_mday -= 7;
-+        }
-+        else {
-+            $this->_mday = 1;
-+            $first = $this->dayOfWeek();
-+            if ($weekday < $first) {
-+                $this->_mday = 8 + $weekday - $first;
-+            } else {
-+                $this->_mday = $weekday - $first + 1;
-+            }
-+            $diff = 7 * $nth - 7;
-+            $this->_mday += $diff;
-+            $this->_correct(self::MASK_DAY, $diff < 0);
-         }
--        $diff = 7 * $nth - 7;
--        $this->_mday += $diff;
--        $this->_correct(self::MASK_DAY, $diff < 0);
-     }
- 
-     /**
diff --git a/plugins/libkolab/bin/get_horde_date.sh b/plugins/libkolab/bin/get_horde_date.sh
deleted file mode 100755
index b8e663d..0000000
--- a/plugins/libkolab/bin/get_horde_date.sh
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/bin/sh
-
-# Copy Horde_Date_Recurrence classes and dependencies to the given target directory.
-# This will create a standalone copy of the classes requried for date recurrence computation.
-
-SRCDIR=$1
-DESTDIR=$2
-BINDIR=`dirname $0`
-
-if [ ! -d "$SRCDIR" -o ! -d "$DESTDIR" ]; then
-  echo "Usage: get_horde_date.sh SRCDIR DESTDIR"
-  echo "Please enter valid source and destination directories for the Horde libs"
-  exit 1
-fi
-
-
-# concat Date.php and Date/Utils.php
-HORDE_DATE="$DESTDIR/Horde_Date.php"
-
-echo "<?php
-
-/**
- * This is a concatenated copy of the following files:
- *   Horde/Date.php, Horde/Date/Utils.php
- * Pull the latest version of these files from the PEAR channel of the Horde
- * project at http://pear.horde.org by installing the Horde_Date package.
- */
-" > $HORDE_DATE
-
-patch $SRCDIR/Date.php $BINDIR/Date_last_weekday.diff --output=$HORDE_DATE.patched
-sed 's/<?php//; s/?>//' $HORDE_DATE.patched >> $HORDE_DATE
-sed 's/<?php//; s/?>//' $SRCDIR/Date/Utils.php >> $HORDE_DATE
-
-# copy and patch Date/Recurrence.php
-HORDE_DATE_RECURRENCE="$DESTDIR/Horde_Date_Recurrence.php"
-
-echo "<?php
-
-/**
- * This is a modified copy of Horde/Date/Recurrence.php
- * Pull the latest version of this file from the PEAR channel of the Horde
- * project at http://pear.horde.org by installing the Horde_Date package.
- */
-
-if (!class_exists('Horde_Date'))
-	require_once(dirname(__FILE__) . '/Horde_Date.php');
-
-// minimal required implementation of Horde_Date_Translation to avoid a huge dependency nightmare
-class Horde_Date_Translation
-{
-	function t(\$arg) { return \$arg; }
-	function ngettext(\$sing, \$plur, \$num) { return (\$num > 1 ? \$plur : \$sing); }
-}
-" > $HORDE_DATE_RECURRENCE
-
-patch $SRCDIR/Date/Recurrence.php $BINDIR/Date_Recurrence_weekday.diff --output=$HORDE_DATE_RECURRENCE.patched
-sed 's/<?php//; s/?>//' $HORDE_DATE_RECURRENCE.patched >> $HORDE_DATE_RECURRENCE
-
-# remove dependency to Horde_String
-sed -i '' "s/Horde_String::/strto/" $HORDE_DATE_RECURRENCE
-
-rm $DESTDIR/Horde_Date*.patched
-
-
diff --git a/plugins/libkolab/lib/Horde_Date.php b/plugins/libkolab/lib/Horde_Date.php
deleted file mode 100644
index 9197f84..0000000
--- a/plugins/libkolab/lib/Horde_Date.php
+++ /dev/null
@@ -1,1304 +0,0 @@
-<?php
-
-/**
- * This is a concatenated copy of the following files:
- *   Horde/Date/Utils.php, Horde/Date/Recurrence.php
- * Pull the latest version of these files from the PEAR channel of the Horde
- * project at http://pear.horde.org by installing the Horde_Date package.
- */
-
-
-/**
- * Horde Date wrapper/logic class, including some calculation
- * functions.
- *
- * @category Horde
- * @package  Date
- *
- * @TODO in format():
- *   http://php.net/intldateformatter
- *
- * @TODO on timezones:
- *   http://trac.agavi.org/ticket/1008
- *   http://trac.agavi.org/changeset/3659
- *
- * @TODO on switching to PHP::DateTime:
- *   The only thing ever stored in the database *IS* Unix timestamps. Doing
- *   anything other than that is unmanageable, yet some frameworks use 'server
- *   based' times in their systems, simply because they do not bother with
- *   daylight saving and only 'serve' one timezone!
- *
- *   The second you have to manage 'real' time across timezones then daylight
- *   saving becomes essential, BUT only on the display side! Since the browser
- *   only provides a time offset, this is useless and to be honest should simply
- *   be ignored ( until it is upgraded to provide the correct information ;)
- *   ). So we need a 'display' function that takes a simple numeric epoch, and a
- *   separate timezone id into which the epoch is to be 'converted'. My W3C
- *   mapping works simply because ADOdb then converts that to it's own simple
- *   offset abbreviation - in my case GMT or BST. As long as DateTime passes the
- *   full 64 bit number the date range from 100AD is also preserved ( and
- *   further back if 2 digit years are disabled ). If I want to display the
- *   'real' timezone with this 'time' then I just add it in place of ADOdb's
- *   'timezone'. I am tempted to simply adjust the ADOdb class to take a
- *   timezone in place of the simple GMT switch it currently uses.
- *
- *   The return path is just the reverse and simply needs to take the client
- *   display offset off prior to storage of the UTC epoch. SO we use
- *   DateTimeZone to get an offset value for the clients timezone and simply add
- *   or subtract this from a timezone agnostic display on the client end when
- *   entering new times.
- *
- *
- *   It's not really feasible to store dates in specific timezone, as most
- *   national/local timezones support DST - and that is a pain to support, as
- *   eg.  sorting breaks when some timestamps get repeated. That's why it's
- *   usually better to store datetimes as either UTC datetime or plain unix
- *   timestamp. I usually go with the former - using database datetime type.
- */
-
-/**
- * @category Horde
- * @package  Date
- */
-class Horde_Date
-{
-    const DATE_SUNDAY = 0;
-    const DATE_MONDAY = 1;
-    const DATE_TUESDAY = 2;
-    const DATE_WEDNESDAY = 3;
-    const DATE_THURSDAY = 4;
-    const DATE_FRIDAY = 5;
-    const DATE_SATURDAY = 6;
-
-    const MASK_SUNDAY = 1;
-    const MASK_MONDAY = 2;
-    const MASK_TUESDAY = 4;
-    const MASK_WEDNESDAY = 8;
-    const MASK_THURSDAY = 16;
-    const MASK_FRIDAY = 32;
-    const MASK_SATURDAY = 64;
-    const MASK_WEEKDAYS = 62;
-    const MASK_WEEKEND = 65;
-    const MASK_ALLDAYS = 127;
-
-    const MASK_SECOND = 1;
-    const MASK_MINUTE = 2;
-    const MASK_HOUR = 4;
-    const MASK_DAY = 8;
-    const MASK_MONTH = 16;
-    const MASK_YEAR = 32;
-    const MASK_ALLPARTS = 63;
-
-    const DATE_DEFAULT = 'Y-m-d H:i:s';
-    const DATE_JSON = 'Y-m-d\TH:i:s';
-
-    /**
-     * Year
-     *
-     * @var integer
-     */
-    protected $_year;
-
-    /**
-     * Month
-     *
-     * @var integer
-     */
-    protected $_month;
-
-    /**
-     * Day
-     *
-     * @var integer
-     */
-    protected $_mday;
-
-    /**
-     * Hour
-     *
-     * @var integer
-     */
-    protected $_hour = 0;
-
-    /**
-     * Minute
-     *
-     * @var integer
-     */
-    protected $_min = 0;
-
-    /**
-     * Second
-     *
-     * @var integer
-     */
-    protected $_sec = 0;
-
-    /**
-     * String representation of the date's timezone.
-     *
-     * @var string
-     */
-    protected $_timezone;
-
-    /**
-     * Default format for __toString()
-     *
-     * @var string
-     */
-    protected $_defaultFormat = self::DATE_DEFAULT;
-
-    /**
-     * Default specs that are always supported.
-     * @var string
-     */
-    protected static $_defaultSpecs = '%CdDeHImMnRStTyY';
-
-    /**
-     * Internally supported strftime() specifiers.
-     * @var string
-     */
-    protected static $_supportedSpecs = '';
-
-    /**
-     * Map of required correction masks.
-     *
-     * @see __set()
-     *
-     * @var array
-     */
-    protected static $_corrections = array(
-        'year'  => self::MASK_YEAR,
-        'month' => self::MASK_MONTH,
-        'mday'  => self::MASK_DAY,
-        'hour'  => self::MASK_HOUR,
-        'min'   => self::MASK_MINUTE,
-        'sec'   => self::MASK_SECOND,
-    );
-
-    protected $_formatCache = array();
-
-    /**
-     * Builds a new date object. If $date contains date parts, use them to
-     * initialize the object.
-     *
-     * Recognized formats:
-     * - arrays with keys 'year', 'month', 'mday', 'day'
-     *   'hour', 'min', 'minute', 'sec'
-     * - objects with properties 'year', 'month', 'mday', 'hour', 'min', 'sec'
-     * - yyyy-mm-dd hh:mm:ss
-     * - yyyymmddhhmmss
-     * - yyyymmddThhmmssZ
-     * - yyyymmdd (might conflict with unix timestamps between 31 Oct 1966 and
-     *   03 Mar 1973)
-     * - unix timestamps
-     * - anything parsed by strtotime()/DateTime.
-     *
-     * @throws Horde_Date_Exception
-     */
-    public function __construct($date = null, $timezone = null)
-    {
-        if (!self::$_supportedSpecs) {
-            self::$_supportedSpecs = self::$_defaultSpecs;
-            if (function_exists('nl_langinfo')) {
-                self::$_supportedSpecs .= 'bBpxX';
-            }
-        }
-
-        if (func_num_args() > 2) {
-            // Handle args in order: year month day hour min sec tz
-            $this->_initializeFromArgs(func_get_args());
-            return;
-        }
-
-        $this->_initializeTimezone($timezone);
-
-        if (is_null($date)) {
-            return;
-        }
-
-        if (is_string($date)) {
-            $date = trim($date, '"');
-        }
-
-        if (is_object($date)) {
-            $this->_initializeFromObject($date);
-        } elseif (is_array($date)) {
-            $this->_initializeFromArray($date);
-        } elseif (preg_match('/^(\d{4})-?(\d{2})-?(\d{2})T? ?(\d{2}):?(\d{2}):?(\d{2})(?:\.\d+)?(Z?)$/', $date, $parts)) {
-            $this->_year  = (int)$parts[1];
-            $this->_month = (int)$parts[2];
-            $this->_mday  = (int)$parts[3];
-            $this->_hour  = (int)$parts[4];
-            $this->_min   = (int)$parts[5];
-            $this->_sec   = (int)$parts[6];
-            if ($parts[7]) {
-                $this->_initializeTimezone('UTC');
-            }
-        } elseif (preg_match('/^(\d{4})-?(\d{2})-?(\d{2})$/', $date, $parts) &&
-                  $parts[2] > 0 && $parts[2] <= 12 &&
-                  $parts[3] > 0 && $parts[3] <= 31) {
-            $this->_year  = (int)$parts[1];
-            $this->_month = (int)$parts[2];
-            $this->_mday  = (int)$parts[3];
-            $this->_hour = $this->_min = $this->_sec = 0;
-        } elseif ((string)(int)$date == $date) {
-            // Try as a timestamp.
-            $parts = @getdate($date);
-            if ($parts) {
-                $this->_year  = $parts['year'];
-                $this->_month = $parts['mon'];
-                $this->_mday  = $parts['mday'];
-                $this->_hour  = $parts['hours'];
-                $this->_min   = $parts['minutes'];
-                $this->_sec   = $parts['seconds'];
-            }
-        } else {
-            // Use date_create() so we can catch errors with PHP 5.2. Use
-            // "new DateTime() once we require 5.3.
-            $parsed = date_create($date);
-            if (!$parsed) {
-                throw new Horde_Date_Exception(sprintf(Horde_Date_Translation::t("Failed to parse time string (%s)"), $date));
-            }
-            $parsed->setTimezone(new DateTimeZone(date_default_timezone_get()));
-            $this->_year  = (int)$parsed->format('Y');
-            $this->_month = (int)$parsed->format('m');
-            $this->_mday  = (int)$parsed->format('d');
-            $this->_hour  = (int)$parsed->format('H');
-            $this->_min   = (int)$parsed->format('i');
-            $this->_sec   = (int)$parsed->format('s');
-            $this->_initializeTimezone(date_default_timezone_get());
-        }
-    }
-
-    /**
-     * Returns a simple string representation of the date object
-     *
-     * @return string  This object converted to a string.
-     */
-    public function __toString()
-    {
-        try {
-            return $this->format($this->_defaultFormat);
-        } catch (Exception $e) {
-            return '';
-        }
-    }
-
-    /**
-     * Returns a DateTime object representing this object.
-     *
-     * @return DateTime
-     */
-    public function toDateTime()
-    {
-        $date = new DateTime(null, new DateTimeZone($this->_timezone));
-        $date->setDate($this->_year, $this->_month, $this->_mday);
-        $date->setTime($this->_hour, $this->_min, $this->_sec);
-        return $date;
-    }
-
-    /**
-     * Converts a date in the proleptic Gregorian calendar to the no of days
-     * since 24th November, 4714 B.C.
-     *
-     * Returns the no of days since Monday, 24th November, 4714 B.C. in the
-     * proleptic Gregorian calendar (which is 24th November, -4713 using
-     * 'Astronomical' year numbering, and 1st January, 4713 B.C. in the
-     * proleptic Julian calendar).  This is also the first day of the 'Julian
-     * Period' proposed by Joseph Scaliger in 1583, and the number of days
-     * since this date is known as the 'Julian Day'.  (It is not directly
-     * to do with the Julian calendar, although this is where the name
-     * is derived from.)
-     *
-     * The algorithm is valid for all years (positive and negative), and
-     * also for years preceding 4714 B.C.
-     *
-     * Algorithm is from PEAR::Date_Calc
-     *
-     * @author Monte Ohrt <monte at ispi.net>
-     * @author Pierre-Alain Joye <pajoye at php.net>
-     * @author Daniel Convissor <danielc at php.net>
-     * @author C.A. Woodcock <c01234 at netcomuk.co.uk>
-     *
-     * @return integer  The number of days since 24th November, 4714 B.C.
-     */
-    public function toDays()
-    {
-        if (function_exists('GregorianToJD')) {
-            return gregoriantojd($this->_month, $this->_mday, $this->_year);
-        }
-
-        $day = $this->_mday;
-        $month = $this->_month;
-        $year = $this->_year;
-
-        if ($month > 2) {
-            // March = 0, April = 1, ..., December = 9,
-            // January = 10, February = 11
-            $month -= 3;
-        } else {
-            $month += 9;
-            --$year;
-        }
-
-        $hb_negativeyear = $year < 0;
-        $century         = intval($year / 100);
-        $year            = $year % 100;
-
-        if ($hb_negativeyear) {
-            // Subtract 1 because year 0 is a leap year;
-            // And N.B. that we must treat the leap years as occurring
-            // one year earlier than they do, because for the purposes
-            // of calculation, the year starts on 1st March:
-            //
-            return intval((14609700 * $century + ($year == 0 ? 1 : 0)) / 400) +
-                   intval((1461 * $year + 1) / 4) +
-                   intval((153 * $month + 2) / 5) +
-                   $day + 1721118;
-        } else {
-            return intval(146097 * $century / 4) +
-                   intval(1461 * $year / 4) +
-                   intval((153 * $month + 2) / 5) +
-                   $day + 1721119;
-        }
-    }
-
-    /**
-     * Converts number of days since 24th November, 4714 B.C. (in the proleptic
-     * Gregorian calendar, which is year -4713 using 'Astronomical' year
-     * numbering) to Gregorian calendar date.
-     *
-     * Returned date belongs to the proleptic Gregorian calendar, using
-     * 'Astronomical' year numbering.
-     *
-     * The algorithm is valid for all years (positive and negative), and
-     * also for years preceding 4714 B.C. (i.e. for negative 'Julian Days'),
-     * and so the only limitation is platform-dependent (for 32-bit systems
-     * the maximum year would be something like about 1,465,190 A.D.).
-     *
-     * N.B. Monday, 24th November, 4714 B.C. is Julian Day '0'.
-     *
-     * Algorithm is from PEAR::Date_Calc
-     *
-     * @author Monte Ohrt <monte at ispi.net>
-     * @author Pierre-Alain Joye <pajoye at php.net>
-     * @author Daniel Convissor <danielc at php.net>
-     * @author C.A. Woodcock <c01234 at netcomuk.co.uk>
-     *
-     * @param int    $days   the number of days since 24th November, 4714 B.C.
-     * @param string $format the string indicating how to format the output
-     *
-     * @return  Horde_Date  A Horde_Date object representing the date.
-     */
-    public static function fromDays($days)
-    {
-        if (function_exists('JDToGregorian')) {
-            list($month, $day, $year) = explode('/', JDToGregorian($days));
-        } else {
-            $days = intval($days);
-
-            $days   -= 1721119;
-            $century = floor((4 * $days - 1) / 146097);
-            $days    = floor(4 * $days - 1 - 146097 * $century);
-            $day     = floor($days / 4);
-
-            $year = floor((4 * $day +  3) / 1461);
-            $day  = floor(4 * $day +  3 - 1461 * $year);
-            $day  = floor(($day +  4) / 4);
-
-            $month = floor((5 * $day - 3) / 153);
-            $day   = floor(5 * $day - 3 - 153 * $month);
-            $day   = floor(($day +  5) /  5);
-
-            $year = $century * 100 + $year;
-            if ($month < 10) {
-                $month +=3;
-            } else {
-                $month -=9;
-                ++$year;
-            }
-        }
-
-        return new Horde_Date($year, $month, $day);
-    }
-
-    /**
-     * Getter for the date and time properties.
-     *
-     * @param string $name  One of 'year', 'month', 'mday', 'hour', 'min' or
-     *                      'sec'.
-     *
-     * @return integer  The property value, or null if not set.
-     */
-    public function __get($name)
-    {
-        if ($name == 'day') {
-            $name = 'mday';
-        }
-
-        return $this->{'_' . $name};
-    }
-
-    /**
-     * Setter for the date and time properties.
-     *
-     * @param string $name    One of 'year', 'month', 'mday', 'hour', 'min' or
-     *                        'sec'.
-     * @param integer $value  The property value.
-     */
-    public function __set($name, $value)
-    {
-        if ($name == 'timezone') {
-            $this->_initializeTimezone($value);
-            return;
-        }
-        if ($name == 'day') {
-            $name = 'mday';
-        }
-
-        if ($name != 'year' && $name != 'month' && $name != 'mday' &&
-            $name != 'hour' && $name != 'min' && $name != 'sec') {
-            throw new InvalidArgumentException('Undefined property ' . $name);
-        }
-
-        $down = $value < $this->{'_' . $name};
-        $this->{'_' . $name} = $value;
-        $this->_correct(self::$_corrections[$name], $down);
-        $this->_formatCache = array();
-    }
-
-    /**
-     * Returns whether a date or time property exists.
-     *
-     * @param string $name  One of 'year', 'month', 'mday', 'hour', 'min' or
-     *                      'sec'.
-     *
-     * @return boolen  True if the property exists and is set.
-     */
-    public function __isset($name)
-    {
-        if ($name == 'day') {
-            $name = 'mday';
-        }
-        return ($name == 'year' || $name == 'month' || $name == 'mday' ||
-                $name == 'hour' || $name == 'min' || $name == 'sec') &&
-            isset($this->{'_' . $name});
-    }
-
-    /**
-     * Adds a number of seconds or units to this date, returning a new Date
-     * object.
-     */
-    public function add($factor)
-    {
-        $d = clone($this);
-        if (is_array($factor) || is_object($factor)) {
-            foreach ($factor as $property => $value) {
-                $d->$property += $value;
-            }
-        } else {
-            $d->sec += $factor;
-        }
-
-        return $d;
-    }
-
-    /**
-     * Subtracts a number of seconds or units from this date, returning a new
-     * Horde_Date object.
-     */
-    public function sub($factor)
-    {
-        if (is_array($factor)) {
-            foreach ($factor as &$value) {
-                $value *= -1;
-            }
-        } else {
-            $factor *= -1;
-        }
-
-        return $this->add($factor);
-    }
-
-    /**
-     * Converts this object to a different timezone.
-     *
-     * @param string $timezone  The new timezone.
-     *
-     * @return Horde_Date  This object.
-     */
-    public function setTimezone($timezone)
-    {
-        $date = $this->toDateTime();
-        $date->setTimezone(new DateTimeZone($timezone));
-        $this->_timezone = $timezone;
-        $this->_year     = (int)$date->format('Y');
-        $this->_month    = (int)$date->format('m');
-        $this->_mday     = (int)$date->format('d');
-        $this->_hour     = (int)$date->format('H');
-        $this->_min      = (int)$date->format('i');
-        $this->_sec      = (int)$date->format('s');
-        $this->_formatCache = array();
-        return $this;
-    }
-
-    /**
-     * Sets the default date format used in __toString()
-     *
-     * @param string $format
-     */
-    public function setDefaultFormat($format)
-    {
-        $this->_defaultFormat = $format;
-    }
-
-    /**
-     * Returns the day of the week (0 = Sunday, 6 = Saturday) of this date.
-     *
-     * @return integer  The day of the week.
-     */
-    public function dayOfWeek()
-    {
-        if ($this->_month > 2) {
-            $month = $this->_month - 2;
-            $year = $this->_year;
-        } else {
-            $month = $this->_month + 10;
-            $year = $this->_year - 1;
-        }
-
-        $day = (floor((13 * $month - 1) / 5) +
-                $this->_mday + ($year % 100) +
-                floor(($year % 100) / 4) +
-                floor(($year / 100) / 4) - 2 *
-                floor($year / 100) + 77);
-
-        return (int)($day - 7 * floor($day / 7));
-    }
-
-    /**
-     * Returns the day number of the year (1 to 365/366).
-     *
-     * @return integer  The day of the year.
-     */
-    public function dayOfYear()
-    {
-        return $this->format('z') + 1;
-    }
-
-    /**
-     * Returns the week of the month.
-     *
-     * @return integer  The week number.
-     */
-    public function weekOfMonth()
-    {
-        return ceil($this->_mday / 7);
-    }
-
-    /**
-     * Returns the week of the year, first Monday is first day of first week.
-     *
-     * @return integer  The week number.
-     */
-    public function weekOfYear()
-    {
-        return $this->format('W');
-    }
-
-    /**
-     * Returns the number of weeks in the given year (52 or 53).
-     *
-     * @param integer $year  The year to count the number of weeks in.
-     *
-     * @return integer $numWeeks   The number of weeks in $year.
-     */
-    public static function weeksInYear($year)
-    {
-        // Find the last Thursday of the year.
-        $date = new Horde_Date($year . '-12-31');
-        while ($date->dayOfWeek() != self::DATE_THURSDAY) {
-            --$date->mday;
-        }
-        return $date->weekOfYear();
-    }
-
-    /**
-     * Sets the date of this object to the $nth weekday of $weekday.
-     *
-     * @param integer $weekday  The day of the week (0 = Sunday, etc).
-     * @param integer $nth      The $nth $weekday to set to (defaults to 1).
-     */
-    public function setNthWeekday($weekday, $nth = 1)
-    {
-        if ($weekday < self::DATE_SUNDAY || $weekday > self::DATE_SATURDAY) {
-            return;
-        }
-
-        if ($nth < 0) {  // last $weekday of month
-            $this->_mday = $lastday = Horde_Date_Utils::daysInMonth($this->_month, $this->_year);
-            $last = $this->dayOfWeek();
-            $this->_mday += ($weekday - $last);
-            if ($this->_mday > $lastday)
-                $this->_mday -= 7;
-        }
-        else {
-            $this->_mday = 1;
-            $first = $this->dayOfWeek();
-            if ($weekday < $first) {
-                $this->_mday = 8 + $weekday - $first;
-            } else {
-                $this->_mday = $weekday - $first + 1;
-            }
-            $diff = 7 * $nth - 7;
-            $this->_mday += $diff;
-            $this->_correct(self::MASK_DAY, $diff < 0);
-        }
-    }
-
-    /**
-     * Is the date currently represented by this object a valid date?
-     *
-     * @return boolean  Validity, counting leap years, etc.
-     */
-    public function isValid()
-    {
-        return ($this->_year >= 0 && $this->_year <= 9999);
-    }
-
-    /**
-     * Compares this date to another date object to see which one is
-     * greater (later). Assumes that the dates are in the same
-     * timezone.
-     *
-     * @param mixed $other  The date to compare to.
-     *
-     * @return integer  ==  0 if they are on the same date
-     *                  >=  1 if $this is greater (later)
-     *                  <= -1 if $other is greater (later)
-     */
-    public function compareDate($other)
-    {
-        if (!($other instanceof Horde_Date)) {
-            $other = new Horde_Date($other);
-        }
-
-        if ($this->_year != $other->year) {
-            return $this->_year - $other->year;
-        }
-        if ($this->_month != $other->month) {
-            return $this->_month - $other->month;
-        }
-
-        return $this->_mday - $other->mday;
-    }
-
-    /**
-     * Returns whether this date is after the other.
-     *
-     * @param mixed $other  The date to compare to.
-     *
-     * @return boolean  True if this date is after the other.
-     */
-    public function after($other)
-    {
-        return $this->compareDate($other) > 0;
-    }
-
-    /**
-     * Returns whether this date is before the other.
-     *
-     * @param mixed $other  The date to compare to.
-     *
-     * @return boolean  True if this date is before the other.
-     */
-    public function before($other)
-    {
-        return $this->compareDate($other) < 0;
-    }
-
-    /**
-     * Returns whether this date is the same like the other.
-     *
-     * @param mixed $other  The date to compare to.
-     *
-     * @return boolean  True if this date is the same like the other.
-     */
-    public function equals($other)
-    {
-        return $this->compareDate($other) == 0;
-    }
-
-    /**
-     * Compares this to another date object by time, to see which one
-     * is greater (later). Assumes that the dates are in the same
-     * timezone.
-     *
-     * @param mixed $other  The date to compare to.
-     *
-     * @return integer  ==  0 if they are at the same time
-     *                  >=  1 if $this is greater (later)
-     *                  <= -1 if $other is greater (later)
-     */
-    public function compareTime($other)
-    {
-        if (!($other instanceof Horde_Date)) {
-            $other = new Horde_Date($other);
-        }
-
-        if ($this->_hour != $other->hour) {
-            return $this->_hour - $other->hour;
-        }
-        if ($this->_min != $other->min) {
-            return $this->_min - $other->min;
-        }
-
-        return $this->_sec - $other->sec;
-    }
-
-    /**
-     * Compares this to another date object, including times, to see
-     * which one is greater (later). Assumes that the dates are in the
-     * same timezone.
-     *
-     * @param mixed $other  The date to compare to.
-     *
-     * @return integer  ==  0 if they are equal
-     *                  >=  1 if $this is greater (later)
-     *                  <= -1 if $other is greater (later)
-     */
-    public function compareDateTime($other)
-    {
-        if (!($other instanceof Horde_Date)) {
-            $other = new Horde_Date($other);
-        }
-
-        if ($diff = $this->compareDate($other)) {
-            return $diff;
-        }
-
-        return $this->compareTime($other);
-    }
-
-    /**
-     * Returns number of days between this date and another.
-     *
-     * @param Horde_Date $other  The other day to diff with.
-     *
-     * @return integer  The absolute number of days between the two dates.
-     */
-    public function diff($other)
-    {
-        return abs($this->toDays() - $other->toDays());
-    }
-
-    /**
-     * Returns the time offset for local time zone.
-     *
-     * @param boolean $colon  Place a colon between hours and minutes?
-     *
-     * @return string  Timezone offset as a string in the format +HH:MM.
-     */
-    public function tzOffset($colon = true)
-    {
-        return $colon ? $this->format('P') : $this->format('O');
-    }
-
-    /**
-     * Returns the unix timestamp representation of this date.
-     *
-     * @return integer  A unix timestamp.
-     */
-    public function timestamp()
-    {
-        if ($this->_year >= 1970 && $this->_year < 2038) {
-            return mktime($this->_hour, $this->_min, $this->_sec,
-                          $this->_month, $this->_mday, $this->_year);
-        }
-        return $this->format('U');
-    }
-
-    /**
-     * Returns the unix timestamp representation of this date, 12:00am.
-     *
-     * @return integer  A unix timestamp.
-     */
-    public function datestamp()
-    {
-        if ($this->_year >= 1970 && $this->_year < 2038) {
-            return mktime(0, 0, 0, $this->_month, $this->_mday, $this->_year);
-        }
-        $date = new DateTime($this->format('Y-m-d'));
-        return $date->format('U');
-    }
-
-    /**
-     * Formats date and time to be passed around as a short url parameter.
-     *
-     * @return string  Date and time.
-     */
-    public function dateString()
-    {
-        return sprintf('%04d%02d%02d', $this->_year, $this->_month, $this->_mday);
-    }
-
-    /**
-     * Formats date and time to the ISO format used by JSON.
-     *
-     * @return string  Date and time.
-     */
-    public function toJson()
-    {
-        return $this->format(self::DATE_JSON);
-    }
-
-    /**
-     * Formats date and time to the RFC 2445 iCalendar DATE-TIME format.
-     *
-     * @param boolean $floating  Whether to return a floating date-time
-     *                           (without time zone information).
-     *
-     * @return string  Date and time.
-     */
-    public function toiCalendar($floating = false)
-    {
-        if ($floating) {
-            return $this->format('Ymd\THis');
-        }
-        $dateTime = $this->toDateTime();
-        $dateTime->setTimezone(new DateTimeZone('UTC'));
-        return $dateTime->format('Ymd\THis\Z');
-    }
-
-    /**
-     * Formats time using the specifiers available in date() or in the DateTime
-     * class' format() method.
-     *
-     * To format in languages other than English, use strftime() instead.
-     *
-     * @param string $format
-     *
-     * @return string  Formatted time.
-     */
-    public function format($format)
-    {
-        if (!isset($this->_formatCache[$format])) {
-            $this->_formatCache[$format] = $this->toDateTime()->format($format);
-        }
-        return $this->_formatCache[$format];
-    }
-
-    /**
-     * Formats date and time using strftime() format.
-     *
-     * @return string  strftime() formatted date and time.
-     */
-    public function strftime($format)
-    {
-        if (preg_match('/%[^' . self::$_supportedSpecs . ']/', $format)) {
-            return strftime($format, $this->timestamp());
-        } else {
-            return $this->_strftime($format);
-        }
-    }
-
-    /**
-     * Formats date and time using a limited set of the strftime() format.
-     *
-     * @return string  strftime() formatted date and time.
-     */
-    protected function _strftime($format)
-    {
-        return preg_replace(
-            array('/%b/e',
-                  '/%B/e',
-                  '/%C/e',
-                  '/%d/e',
-                  '/%D/e',
-                  '/%e/e',
-                  '/%H/e',
-                  '/%I/e',
-                  '/%m/e',
-                  '/%M/e',
-                  '/%n/',
-                  '/%p/e',
-                  '/%R/e',
-                  '/%S/e',
-                  '/%t/',
-                  '/%T/e',
-                  '/%x/e',
-                  '/%X/e',
-                  '/%y/e',
-                  '/%Y/',
-                  '/%%/'),
-            array('$this->_strftime(Horde_Nls::getLangInfo(constant(\'ABMON_\' . (int)$this->_month)))',
-                  '$this->_strftime(Horde_Nls::getLangInfo(constant(\'MON_\' . (int)$this->_month)))',
-                  '(int)($this->_year / 100)',
-                  'sprintf(\'%02d\', $this->_mday)',
-                  '$this->_strftime(\'%m/%d/%y\')',
-                  'sprintf(\'%2d\', $this->_mday)',
-                  'sprintf(\'%02d\', $this->_hour)',
-                  'sprintf(\'%02d\', $this->_hour == 0 ? 12 : ($this->_hour > 12 ? $this->_hour - 12 : $this->_hour))',
-                  'sprintf(\'%02d\', $this->_month)',
-                  'sprintf(\'%02d\', $this->_min)',
-                  "\n",
-                  '$this->_strftime(Horde_Nls::getLangInfo($this->_hour < 12 ? AM_STR : PM_STR))',
-                  '$this->_strftime(\'%H:%M\')',
-                  'sprintf(\'%02d\', $this->_sec)',
-                  "\t",
-                  '$this->_strftime(\'%H:%M:%S\')',
-                  '$this->_strftime(Horde_Nls::getLangInfo(D_FMT))',
-                  '$this->_strftime(Horde_Nls::getLangInfo(T_FMT))',
-                  'substr(sprintf(\'%04d\', $this->_year), -2)',
-                  (int)$this->_year,
-                  '%'),
-            $format);
-    }
-
-    /**
-     * Corrects any over- or underflows in any of the date's members.
-     *
-     * @param integer $mask  We may not want to correct some overflows.
-     * @param integer $down  Whether to correct the date up or down.
-     */
-    protected function _correct($mask = self::MASK_ALLPARTS, $down = false)
-    {
-        if ($mask & self::MASK_SECOND) {
-            if ($this->_sec < 0 || $this->_sec > 59) {
-                $mask |= self::MASK_MINUTE;
-
-                $this->_min += (int)($this->_sec / 60);
-                $this->_sec %= 60;
-                if ($this->_sec < 0) {
-                    $this->_min--;
-                    $this->_sec += 60;
-                }
-            }
-        }
-
-        if ($mask & self::MASK_MINUTE) {
-            if ($this->_min < 0 || $this->_min > 59) {
-                $mask |= self::MASK_HOUR;
-
-                $this->_hour += (int)($this->_min / 60);
-                $this->_min %= 60;
-                if ($this->_min < 0) {
-                    $this->_hour--;
-                    $this->_min += 60;
-                }
-            }
-        }
-
-        if ($mask & self::MASK_HOUR) {
-            if ($this->_hour < 0 || $this->_hour > 23) {
-                $mask |= self::MASK_DAY;
-
-                $this->_mday += (int)($this->_hour / 24);
-                $this->_hour %= 24;
-                if ($this->_hour < 0) {
-                    $this->_mday--;
-                    $this->_hour += 24;
-                }
-            }
-        }
-
-        if ($mask & self::MASK_MONTH) {
-            $this->_correctMonth($down);
-            /* When correcting the month, always correct the day too. Months
-             * have different numbers of days. */
-            $mask |= self::MASK_DAY;
-        }
-
-        if ($mask & self::MASK_DAY) {
-            while ($this->_mday > 28 &&
-                   $this->_mday > Horde_Date_Utils::daysInMonth($this->_month, $this->_year)) {
-                if ($down) {
-                    $this->_mday -= Horde_Date_Utils::daysInMonth($this->_month + 1, $this->_year) - Horde_Date_Utils::daysInMonth($this->_month, $this->_year);
-                } else {
-                    $this->_mday -= Horde_Date_Utils::daysInMonth($this->_month, $this->_year);
-                    $this->_month++;
-                }
-                $this->_correctMonth($down);
-            }
-            while ($this->_mday < 1) {
-                --$this->_month;
-                $this->_correctMonth($down);
-                $this->_mday += Horde_Date_Utils::daysInMonth($this->_month, $this->_year);
-            }
-        }
-    }
-
-    /**
-     * Corrects the current month.
-     *
-     * This cannot be done in _correct() because that would also trigger a
-     * correction of the day, which would result in an infinite loop.
-     *
-     * @param integer $down  Whether to correct the date up or down.
-     */
-    protected function _correctMonth($down = false)
-    {
-        $this->_year += (int)($this->_month / 12);
-        $this->_month %= 12;
-        if ($this->_month < 1) {
-            $this->_year--;
-            $this->_month += 12;
-        }
-    }
-
-    /**
-     * Handles args in order: year month day hour min sec tz
-     */
-    protected function _initializeFromArgs($args)
-    {
-        $tz = (isset($args[6])) ? array_pop($args) : null;
-        $this->_initializeTimezone($tz);
-
-        $args = array_slice($args, 0, 6);
-        $keys = array('year' => 1, 'month' => 1, 'mday' => 1, 'hour' => 0, 'min' => 0, 'sec' => 0);
-        $date = array_combine(array_slice(array_keys($keys), 0, count($args)), $args);
-        $date = array_merge($keys, $date);
-
-        $this->_initializeFromArray($date);
-    }
-
-    protected function _initializeFromArray($date)
-    {
-        if (isset($date['year']) && is_string($date['year']) && strlen($date['year']) == 2) {
-            if ($date['year'] > 70) {
-                $date['year'] += 1900;
-            } else {
-                $date['year'] += 2000;
-            }
-        }
-
-        foreach ($date as $key => $val) {
-            if (in_array($key, array('year', 'month', 'mday', 'hour', 'min', 'sec'))) {
-                $this->{'_'. $key} = (int)$val;
-            }
-        }
-
-        // If $date['day'] is present and numeric we may have been passed
-        // a Horde_Form_datetime array.
-        if (isset($date['day']) &&
-            (string)(int)$date['day'] == $date['day']) {
-            $this->_mday = (int)$date['day'];
-        }
-        // 'minute' key also from Horde_Form_datetime
-        if (isset($date['minute']) &&
-            (string)(int)$date['minute'] == $date['minute']) {
-            $this->_min = (int)$date['minute'];
-        }
-
-        $this->_correct();
-    }
-
-    protected function _initializeFromObject($date)
-    {
-        if ($date instanceof DateTime) {
-            $this->_year  = (int)$date->format('Y');
-            $this->_month = (int)$date->format('m');
-            $this->_mday  = (int)$date->format('d');
-            $this->_hour  = (int)$date->format('H');
-            $this->_min   = (int)$date->format('i');
-            $this->_sec   = (int)$date->format('s');
-            $this->_initializeTimezone($date->getTimezone()->getName());
-        } else {
-            $is_horde_date = $date instanceof Horde_Date;
-            foreach (array('year', 'month', 'mday', 'hour', 'min', 'sec') as $key) {
-                if ($is_horde_date || isset($date->$key)) {
-                    $this->{'_' . $key} = (int)$date->$key;
-                }
-            }
-            if (!$is_horde_date) {
-                $this->_correct();
-            } else {
-                $this->_initializeTimezone($date->timezone);
-            }
-        }
-    }
-
-    protected function _initializeTimezone($timezone)
-    {
-        if (empty($timezone)) {
-            $timezone = date_default_timezone_get();
-        }
-        $this->_timezone = $timezone;
-    }
-
-}
-
-/**
- * @category Horde
- * @package  Date
- */
-
-/**
- * Horde Date wrapper/logic class, including some calculation
- * functions.
- *
- * @category Horde
- * @package  Date
- */
-class Horde_Date_Utils
-{
-    /**
-     * Returns whether a year is a leap year.
-     *
-     * @param integer $year  The year.
-     *
-     * @return boolean  True if the year is a leap year.
-     */
-    public static function isLeapYear($year)
-    {
-        if (strlen($year) != 4 || preg_match('/\D/', $year)) {
-            return false;
-        }
-
-        return (($year % 4 == 0 && $year % 100 != 0) || $year % 400 == 0);
-    }
-
-    /**
-     * Returns the date of the year that corresponds to the first day of the
-     * given week.
-     *
-     * @param integer $week  The week of the year to find the first day of.
-     * @param integer $year  The year to calculate for.
-     *
-     * @return Horde_Date  The date of the first day of the given week.
-     */
-    public static function firstDayOfWeek($week, $year)
-    {
-        return new Horde_Date(sprintf('%04dW%02d', $year, $week));
-    }
-
-    /**
-     * Returns the number of days in the specified month.
-     *
-     * @param integer $month  The month
-     * @param integer $year   The year.
-     *
-     * @return integer  The number of days in the month.
-     */
-    public static function daysInMonth($month, $year)
-    {
-        static $cache = array();
-        if (!isset($cache[$year][$month])) {
-            $date = new DateTime(sprintf('%04d-%02d-01', $year, $month));
-            $cache[$year][$month] = $date->format('t');
-        }
-        return $cache[$year][$month];
-    }
-
-    /**
-     * Returns a relative, natural language representation of a timestamp
-     *
-     * @todo Wider range of values ... maybe future time as well?
-     * @todo Support minimum resolution parameter.
-     *
-     * @param mixed $time          The time. Any format accepted by Horde_Date.
-     * @param string $date_format  Format to display date if timestamp is
-     *                             more then 1 day old.
-     * @param string $time_format  Format to display time if timestamp is 1
-     *                             day old.
-     *
-     * @return string  The relative time (i.e. 2 minutes ago)
-     */
-    public static function relativeDateTime($time, $date_format = '%x',
-                                            $time_format = '%X')
-    {
-        $date = new Horde_Date($time);
-
-        $delta = time() - $date->timestamp();
-        if ($delta < 60) {
-            return sprintf(Horde_Date_Translation::ngettext("%d second ago", "%d seconds ago", $delta), $delta);
-        }
-
-        $delta = round($delta / 60);
-        if ($delta < 60) {
-            return sprintf(Horde_Date_Translation::ngettext("%d minute ago", "%d minutes ago", $delta), $delta);
-        }
-
-        $delta = round($delta / 60);
-        if ($delta < 24) {
-            return sprintf(Horde_Date_Translation::ngettext("%d hour ago", "%d hours ago", $delta), $delta);
-        }
-
-        if ($delta > 24 && $delta < 48) {
-            $date = new Horde_Date($time);
-            return sprintf(Horde_Date_Translation::t("yesterday at %s"), $date->strftime($time_format));
-        }
-
-        $delta = round($delta / 24);
-        if ($delta < 7) {
-            return sprintf(Horde_Date_Translation::t("%d days ago"), $delta);
-        }
-
-        if (round($delta / 7) < 5) {
-            $delta = round($delta / 7);
-            return sprintf(Horde_Date_Translation::ngettext("%d week ago", "%d weeks ago", $delta), $delta);
-        }
-
-        // Default to the user specified date format.
-        return $date->strftime($date_format);
-    }
-
-    /**
-     * Tries to convert strftime() formatters to date() formatters.
-     *
-     * Unsupported formatters will be removed.
-     *
-     * @param string $format  A strftime() formatting string.
-     *
-     * @return string  A date() formatting string.
-     */
-    public static function strftime2date($format)
-    {
-        $replace = array(
-            '/%a/'  => 'D',
-            '/%A/'  => 'l',
-            '/%d/'  => 'd',
-            '/%e/'  => 'j',
-            '/%j/'  => 'z',
-            '/%u/'  => 'N',
-            '/%w/'  => 'w',
-            '/%U/'  => '',
-            '/%V/'  => 'W',
-            '/%W/'  => '',
-            '/%b/'  => 'M',
-            '/%B/'  => 'F',
-            '/%h/'  => 'M',
-            '/%m/'  => 'm',
-            '/%C/'  => '',
-            '/%g/'  => '',
-            '/%G/'  => 'o',
-            '/%y/'  => 'y',
-            '/%Y/'  => 'Y',
-            '/%H/'  => 'H',
-            '/%I/'  => 'h',
-            '/%i/'  => 'g',
-            '/%M/'  => 'i',
-            '/%p/'  => 'A',
-            '/%P/'  => 'a',
-            '/%r/'  => 'h:i:s A',
-            '/%R/'  => 'H:i',
-            '/%S/'  => 's',
-            '/%T/'  => 'H:i:s',
-            '/%X/e' => 'Horde_Date_Utils::strftime2date(Horde_Nls::getLangInfo(T_FMT))',
-            '/%z/'  => 'O',
-            '/%Z/'  => '',
-            '/%c/'  => '',
-            '/%D/'  => 'm/d/y',
-            '/%F/'  => 'Y-m-d',
-            '/%s/'  => 'U',
-            '/%x/e' => 'Horde_Date_Utils::strftime2date(Horde_Nls::getLangInfo(D_FMT))',
-            '/%n/'  => "\n",
-            '/%t/'  => "\t",
-            '/%%/'  => '%'
-        );
-
-        return preg_replace(array_keys($replace), array_values($replace), $format);
-    }
-
-}
diff --git a/plugins/libkolab/lib/Horde_Date_Recurrence.php b/plugins/libkolab/lib/Horde_Date_Recurrence.php
deleted file mode 100644
index 81f0857..0000000
--- a/plugins/libkolab/lib/Horde_Date_Recurrence.php
+++ /dev/null
@@ -1,1673 +0,0 @@
-<?php
-
-/**
- * This is a modified copy of Horde/Date/Recurrence.php
- * Pull the latest version of this file from the PEAR channel of the Horde
- * project at http://pear.horde.org by installing the Horde_Date package.
- */
-
-if (!class_exists('Horde_Date'))
-	require_once(dirname(__FILE__) . '/Horde_Date.php');
-
-// minimal required implementation of Horde_Date_Translation to avoid a huge dependency nightmare
-class Horde_Date_Translation
-{
-	function t($arg) { return $arg; }
-	function ngettext($sing, $plur, $num) { return ($num > 1 ? $plur : $sing); }
-}
-
-
-/**
- * This file contains the Horde_Date_Recurrence class and according constants.
- *
- * Copyright 2007-2012 Horde LLC (http://www.horde.org/)
- *
- * See the enclosed file COPYING for license information (LGPL). If you
- * did not receive this file, see http://www.horde.org/licenses/lgpl21.
- *
- * @category Horde
- * @package  Date
- */
-
-/**
- * The Horde_Date_Recurrence class implements algorithms for calculating
- * recurrences of events, including several recurrence types, intervals,
- * exceptions, and conversion from and to vCalendar and iCalendar recurrence
- * rules.
- *
- * All methods expecting dates as parameters accept all values that the
- * Horde_Date constructor accepts, i.e. a timestamp, another Horde_Date
- * object, an ISO time string or a hash.
- *
- * @author   Jan Schneider <jan at horde.org>
- * @category Horde
- * @package  Date
- */
-class Horde_Date_Recurrence
-{
-    /** No Recurrence **/
-    const RECUR_NONE = 0;
-
-    /** Recurs daily. */
-    const RECUR_DAILY = 1;
-
-    /** Recurs weekly. */
-    const RECUR_WEEKLY = 2;
-
-    /** Recurs monthly on the same date. */
-    const RECUR_MONTHLY_DATE = 3;
-
-    /** Recurs monthly on the same week day. */
-    const RECUR_MONTHLY_WEEKDAY = 4;
-
-    /** Recurs yearly on the same date. */
-    const RECUR_YEARLY_DATE = 5;
-
-    /** Recurs yearly on the same day of the year. */
-    const RECUR_YEARLY_DAY = 6;
-
-    /** Recurs yearly on the same week day. */
-    const RECUR_YEARLY_WEEKDAY = 7;
-
-    /**
-     * The start time of the event.
-     *
-     * @var Horde_Date
-     */
-    public $start;
-
-    /**
-     * The end date of the recurrence interval.
-     *
-     * @var Horde_Date
-     */
-    public $recurEnd = null;
-
-    /**
-     * The number of recurrences.
-     *
-     * @var integer
-     */
-    public $recurCount = null;
-
-    /**
-     * The type of recurrence this event follows. RECUR_* constant.
-     *
-     * @var integer
-     */
-    public $recurType = self::RECUR_NONE;
-
-    /**
-     * The length of time between recurrences. The time unit depends on the
-     * recurrence type.
-     *
-     * @var integer
-     */
-    public $recurInterval = 1;
-
-    /**
-     * Any additional recurrence data.
-     *
-     * @var integer
-     */
-    public $recurData = null;
-
-    /**
-     * BYDAY recurrence number
-     *
-     * @var integer
-     */
-    public $recurNthDay = null;
-
-    /**
-     * BYMONTH recurrence data
-     *
-     * @var array
-     */
-    public $recurMonths = array();
-
-    /**
-     * All the exceptions from recurrence for this event.
-     *
-     * @var array
-     */
-    public $exceptions = array();
-
-    /**
-     * All the dates this recurrence has been marked as completed.
-     *
-     * @var array
-     */
-    public $completions = array();
-
-    /**
-     * Constructor.
-     *
-     * @param Horde_Date $start  Start of the recurring event.
-     */
-    public function __construct($start)
-    {
-        $this->start = new Horde_Date($start);
-    }
-
-    /**
-     * Resets the class properties.
-     */
-    public function reset()
-    {
-        $this->recurEnd = null;
-        $this->recurCount = null;
-        $this->recurType = self::RECUR_NONE;
-        $this->recurInterval = 1;
-        $this->recurData = null;
-        $this->exceptions = array();
-        $this->completions = array();
-    }
-
-    /**
-     * Checks if this event recurs on a given day of the week.
-     *
-     * @param integer $dayMask  A mask consisting of Horde_Date::MASK_*
-     *                          constants specifying the day(s) to check.
-     *
-     * @return boolean  True if this event recurs on the given day(s).
-     */
-    public function recurOnDay($dayMask)
-    {
-        return ($this->recurData & $dayMask);
-    }
-
-    /**
-     * Specifies the days this event recurs on.
-     *
-     * @param integer $dayMask  A mask consisting of Horde_Date::MASK_*
-     *                          constants specifying the day(s) to recur on.
-     */
-    public function setRecurOnDay($dayMask)
-    {
-        $this->recurData = $dayMask;
-    }
-
-    /**
-     *
-     * @param integer $nthDay The nth weekday of month to repeat events on
-     */
-    public function setRecurNthWeekday($nth)
-    {
-        $this->recurNthDay = (int)$nth;
-    }
-
-    /**
-     *
-     * @return integer  The nth weekday of month to repeat events.
-     */
-    public function getRecurNthWeekday()
-    {
-        return isset($this->recurNthDay) ? $this->recurNthDay : ceil($this->start->mday / 7);
-    }
-
-    /**
-     * Specifies the months for yearly (weekday) recurrence
-     *
-     * @param array $months  List of months (integers) this event recurs on.
-     */
-    function setRecurByMonth($months)
-    {
-        $this->recurMonths = (array)$months;
-    }
-
-    /**
-     * Returns a list of months this yearly event recurs on
-     *
-     * @return array List of months (integers) this event recurs on.
-     */
-    function getRecurByMonth()
-    {
-        return $this->recurMonths;
-    }
-
-    /**
-     * Returns the days this event recurs on.
-     *
-     * @return integer  A mask consisting of Horde_Date::MASK_* constants
-     *                  specifying the day(s) this event recurs on.
-     */
-    public function getRecurOnDays()
-    {
-        return $this->recurData;
-    }
-
-    /**
-     * Returns whether this event has a specific recurrence type.
-     *
-     * @param integer $recurrence  RECUR_* constant of the
-     *                             recurrence type to check for.
-     *
-     * @return boolean  True if the event has the specified recurrence type.
-     */
-    public function hasRecurType($recurrence)
-    {
-        return ($recurrence == $this->recurType);
-    }
-
-    /**
-     * Sets a recurrence type for this event.
-     *
-     * @param integer $recurrence  A RECUR_* constant.
-     */
-    public function setRecurType($recurrence)
-    {
-        $this->recurType = $recurrence;
-    }
-
-    /**
-     * Returns recurrence type of this event.
-     *
-     * @return integer  A RECUR_* constant.
-     */
-    public function getRecurType()
-    {
-        return $this->recurType;
-    }
-
-    /**
-     * Returns a description of this event's recurring type.
-     *
-     * @return string  Human readable recurring type.
-     */
-    public function getRecurName()
-    {
-        switch ($this->getRecurType()) {
-        case self::RECUR_NONE: return Horde_Date_Translation::t("No recurrence");
-        case self::RECUR_DAILY: return Horde_Date_Translation::t("Daily");
-        case self::RECUR_WEEKLY: return Horde_Date_Translation::t("Weekly");
-        case self::RECUR_MONTHLY_DATE:
-        case self::RECUR_MONTHLY_WEEKDAY: return Horde_Date_Translation::t("Monthly");
-        case self::RECUR_YEARLY_DATE:
-        case self::RECUR_YEARLY_DAY:
-        case self::RECUR_YEARLY_WEEKDAY: return Horde_Date_Translation::t("Yearly");
-        }
-    }
-
-    /**
-     * Sets the length of time between recurrences of this event.
-     *
-     * @param integer $interval  The time between recurrences.
-     */
-    public function setRecurInterval($interval)
-    {
-        if ($interval > 0) {
-            $this->recurInterval = $interval;
-        }
-    }
-
-    /**
-     * Retrieves the length of time between recurrences of this event.
-     *
-     * @return integer  The number of seconds between recurrences.
-     */
-    public function getRecurInterval()
-    {
-        return $this->recurInterval;
-    }
-
-    /**
-     * Sets the number of recurrences of this event.
-     *
-     * @param integer $count  The number of recurrences.
-     */
-    public function setRecurCount($count)
-    {
-        if ($count > 0) {
-            $this->recurCount = (int)$count;
-            // Recurrence counts and end dates are mutually exclusive.
-            $this->recurEnd = null;
-        } else {
-            $this->recurCount = null;
-        }
-    }
-
-    /**
-     * Retrieves the number of recurrences of this event.
-     *
-     * @return integer  The number recurrences.
-     */
-    public function getRecurCount()
-    {
-        return $this->recurCount;
-    }
-
-    /**
-     * Returns whether this event has a recurrence with a fixed count.
-     *
-     * @return boolean  True if this recurrence has a fixed count.
-     */
-    public function hasRecurCount()
-    {
-        return isset($this->recurCount);
-    }
-
-    /**
-     * Sets the start date of the recurrence interval.
-     *
-     * @param Horde_Date $start  The recurrence start.
-     */
-    public function setRecurStart($start)
-    {
-        $this->start = clone $start;
-    }
-
-    /**
-     * Retrieves the start date of the recurrence interval.
-     *
-     * @return Horde_Date  The recurrence start.
-     */
-    public function getRecurStart()
-    {
-        return $this->start;
-    }
-
-    /**
-     * Sets the end date of the recurrence interval.
-     *
-     * @param Horde_Date $end  The recurrence end.
-     */
-    public function setRecurEnd($end)
-    {
-        if (!empty($end)) {
-            // Recurrence counts and end dates are mutually exclusive.
-            $this->recurCount = null;
-            $this->recurEnd = clone $end;
-        } else {
-            $this->recurEnd = $end;
-        }
-    }
-
-    /**
-     * Retrieves the end date of the recurrence interval.
-     *
-     * @return Horde_Date  The recurrence end.
-     */
-    public function getRecurEnd()
-    {
-        return $this->recurEnd;
-    }
-
-    /**
-     * Returns whether this event has a recurrence end.
-     *
-     * @return boolean  True if this recurrence ends.
-     */
-    public function hasRecurEnd()
-    {
-        return isset($this->recurEnd) && isset($this->recurEnd->year) &&
-            $this->recurEnd->year != 9999;
-    }
-
-    /**
-     * Finds the next recurrence of this event that's after $afterDate.
-     *
-     * @param Horde_Date|string $after  Return events after this date.
-     *
-     * @return Horde_Date|boolean  The date of the next recurrence or false
-     *                             if the event does not recur after
-     *                             $afterDate.
-     */
-    public function nextRecurrence($after)
-    {
-        if (!($after instanceof Horde_Date)) {
-            $after = new Horde_Date($after);
-        } else {
-            $after = clone($after);
-        }
-
-        // Make sure $after and $this->start are in the same TZ
-        $after->setTimezone($this->start->timezone);
-        if ($this->start->compareDateTime($after) >= 0) {
-            return clone $this->start;
-        }
-
-        if ($this->recurInterval == 0) {
-            return false;
-        }
-
-        switch ($this->getRecurType()) {
-        case self::RECUR_DAILY:
-            $diff = $this->start->diff($after);
-            $recur = ceil($diff / $this->recurInterval);
-            if ($this->recurCount && $recur >= $this->recurCount) {
-                return false;
-            }
-
-            $recur *= $this->recurInterval;
-            $next = $this->start->add(array('day' => $recur));
-            if ((!$this->hasRecurEnd() ||
-                 $next->compareDateTime($this->recurEnd) <= 0) &&
-                $next->compareDateTime($after) >= 0) {
-                return $next;
-            }
-            break;
-
-        case self::RECUR_WEEKLY:
-            if (empty($this->recurData)) {
-                return false;
-            }
-
-            $start_week = Horde_Date_Utils::firstDayOfWeek($this->start->format('W'),
-                                                           $this->start->year);
-            $start_week->timezone = $this->start->timezone;
-            $start_week->hour = $this->start->hour;
-            $start_week->min  = $this->start->min;
-            $start_week->sec  = $this->start->sec;
-
-            // Make sure we are not at the ISO-8601 first week of year while
-            // still in month 12...OR in the ISO-8601 last week of year while
-            // in month 1 and adjust the year accordingly.
-            $week = $after->format('W');
-            if ($week == 1 && $after->month == 12) {
-                $theYear = $after->year + 1;
-            } elseif ($week >= 52 && $after->month == 1) {
-                $theYear = $after->year - 1;
-            } else {
-                $theYear = $after->year;
-            }
-
-            $after_week = Horde_Date_Utils::firstDayOfWeek($week, $theYear);
-            $after_week->timezone = $this->start->timezone;
-            $after_week_end = clone $after_week;
-            $after_week_end->mday += 7;
-
-            $diff = $start_week->diff($after_week);
-            $interval = $this->recurInterval * 7;
-            $repeats = floor($diff / $interval);
-            if ($diff % $interval < 7) {
-                $recur = $diff;
-            } else {
-                /**
-                 * If the after_week is not in the first week interval the
-                 * search needs to skip ahead a complete interval. The way it is
-                 * calculated here means that an event that occurs every second
-                 * week on Monday and Wednesday with the event actually starting
-                 * on Tuesday or Wednesday will only have one incidence in the
-                 * first week.
-                 */
-                $recur = $interval * ($repeats + 1);
-            }
-
-            if ($this->hasRecurCount()) {
-                $recurrences = 0;
-                /**
-                 * Correct the number of recurrences by the number of events
-                 * that lay between the start of the start week and the
-                 * recurrence start.
-                 */
-                $next = clone $start_week;
-                while ($next->compareDateTime($this->start) < 0) {
-                    if ($this->recurOnDay((int)pow(2, $next->dayOfWeek()))) {
-                        $recurrences--;
-                    }
-                    ++$next->mday;
-                }
-                if ($repeats > 0) {
-                    $weekdays = $this->recurData;
-                    $total_recurrences_per_week = 0;
-                    while ($weekdays > 0) {
-                        if ($weekdays % 2) {
-                            $total_recurrences_per_week++;
-                        }
-                        $weekdays = ($weekdays - ($weekdays % 2)) / 2;
-                    }
-                    $recurrences += $total_recurrences_per_week * $repeats;
-                }
-            }
-
-            $next = clone $start_week;
-            $next->mday += $recur;
-            while ($next->compareDateTime($after) < 0 &&
-                   $next->compareDateTime($after_week_end) < 0) {
-                if ($this->hasRecurCount()
-                    && $next->compareDateTime($after) < 0
-                    && $this->recurOnDay((int)pow(2, $next->dayOfWeek()))) {
-                    $recurrences++;
-                }
-                ++$next->mday;
-            }
-            if ($this->hasRecurCount() &&
-                $recurrences >= $this->recurCount) {
-                return false;
-            }
-            if (!$this->hasRecurEnd() ||
-                $next->compareDateTime($this->recurEnd) <= 0) {
-                if ($next->compareDateTime($after_week_end) >= 0) {
-                    return $this->nextRecurrence($after_week_end);
-                }
-                while (!$this->recurOnDay((int)pow(2, $next->dayOfWeek())) &&
-                       $next->compareDateTime($after_week_end) < 0) {
-                    ++$next->mday;
-                }
-                if (!$this->hasRecurEnd() ||
-                    $next->compareDateTime($this->recurEnd) <= 0) {
-                    if ($next->compareDateTime($after_week_end) >= 0) {
-                        return $this->nextRecurrence($after_week_end);
-                    } else {
-                        return $next;
-                    }
-                }
-            }
-            break;
-
-        case self::RECUR_MONTHLY_DATE:
-            $start = clone $this->start;
-            if ($after->compareDateTime($start) < 0) {
-                $after = clone $start;
-            } else {
-                $after = clone $after;
-            }
-
-            // If we're starting past this month's recurrence of the event,
-            // look in the next month on the day the event recurs.
-            if ($after->mday > $start->mday) {
-                ++$after->month;
-                $after->mday = $start->mday;
-            }
-
-            // Adjust $start to be the first match.
-            $offset = ($after->month - $start->month) + ($after->year - $start->year) * 12;
-            $offset = floor(($offset + $this->recurInterval - 1) / $this->recurInterval) * $this->recurInterval;
-
-            if ($this->recurCount &&
-                ($offset / $this->recurInterval) >= $this->recurCount) {
-                return false;
-            }
-            $start->month += $offset;
-            $count = $offset / $this->recurInterval;
-
-            do {
-                if ($this->recurCount &&
-                    $count++ >= $this->recurCount) {
-                    return false;
-                }
-
-                // Bail if we've gone past the end of recurrence.
-                if ($this->hasRecurEnd() &&
-                    $this->recurEnd->compareDateTime($start) < 0) {
-                    return false;
-                }
-                if ($start->isValid()) {
-                    return $start;
-                }
-
-                // If the interval is 12, and the date isn't valid, then we
-                // need to see if February 29th is an option. If not, then the
-                // event will _never_ recur, and we need to stop checking to
-                // avoid an infinite loop.
-                if ($this->recurInterval == 12 && ($start->month != 2 || $start->mday > 29)) {
-                    return false;
-                }
-
-                // Add the recurrence interval.
-                $start->month += $this->recurInterval;
-            } while (true);
-
-            break;
-
-        case self::RECUR_MONTHLY_WEEKDAY:
-            // Start with the start date of the event.
-            $estart = clone $this->start;
-
-            // What day of the week, and week of the month, do we recur on?
-            if (isset($this->recurNthDay)) {
-                $nth = $this->recurNthDay;
-                $weekday = log($this->recurData, 2);
-            } else {
-                $nth = ceil($this->start->mday / 7);
-                $weekday = $estart->dayOfWeek();
-            }
-
-            // Adjust $estart to be the first candidate.
-            $offset = ($after->month - $estart->month) + ($after->year - $estart->year) * 12;
-            $offset = floor(($offset + $this->recurInterval - 1) / $this->recurInterval) * $this->recurInterval;
-
-            // Adjust our working date until it's after $after.
-            $estart->month += $offset - $this->recurInterval;
-
-            $count = $offset / $this->recurInterval;
-            do {
-                if ($this->recurCount &&
-                    $count++ >= $this->recurCount) {
-                    return false;
-                }
-
-                $estart->month += $this->recurInterval;
-
-                $next = clone $estart;
-                $next->setNthWeekday($weekday, $nth);
-
-                if ($next->compareDateTime($after) < 0) {
-                    // We haven't made it past $after yet, try again.
-                    continue;
-                }
-                if ($this->hasRecurEnd() &&
-                    $next->compareDateTime($this->recurEnd) > 0) {
-                    // We've gone past the end of recurrence; we can give up
-                    // now.
-                    return false;
-                }
-
-                // We have a candidate to return.
-                break;
-            } while (true);
-
-            return $next;
-
-        case self::RECUR_YEARLY_DATE:
-            // Start with the start date of the event.
-            $estart = clone $this->start;
-            $after = clone $after;
-
-            if ($after->month > $estart->month ||
-                ($after->month == $estart->month && $after->mday > $estart->mday)) {
-                ++$after->year;
-                $after->month = $estart->month;
-                $after->mday = $estart->mday;
-            }
-
-            // Seperate case here for February 29th
-            if ($estart->month == 2 && $estart->mday == 29) {
-                while (!Horde_Date_Utils::isLeapYear($after->year)) {
-                    ++$after->year;
-                }
-            }
-
-            // Adjust $estart to be the first candidate.
-            $offset = $after->year - $estart->year;
-            if ($offset > 0) {
-                $offset = floor(($offset + $this->recurInterval - 1) / $this->recurInterval) * $this->recurInterval;
-                $estart->year += $offset;
-            }
-
-            // We've gone past the end of recurrence; give up.
-            if ($this->recurCount &&
-                $offset >= $this->recurCount) {
-                return false;
-            }
-            if ($this->hasRecurEnd() &&
-                $this->recurEnd->compareDateTime($estart) < 0) {
-                return false;
-            }
-
-            return $estart;
-
-        case self::RECUR_YEARLY_DAY:
-            // Check count first.
-            $dayofyear = $this->start->dayOfYear();
-            $count = ($after->year - $this->start->year) / $this->recurInterval + 1;
-            if ($this->recurCount &&
-                ($count > $this->recurCount ||
-                 ($count == $this->recurCount &&
-                  $after->dayOfYear() > $dayofyear))) {
-                return false;
-            }
-
-            // Start with a rough interval.
-            $estart = clone $this->start;
-            $estart->year += floor($count - 1) * $this->recurInterval;
-
-            // Now add the difference to the required day of year.
-            $estart->mday += $dayofyear - $estart->dayOfYear();
-
-            // Add an interval if the estimation was wrong.
-            if ($estart->compareDate($after) < 0) {
-                $estart->year += $this->recurInterval;
-                $estart->mday += $dayofyear - $estart->dayOfYear();
-            }
-
-            // We've gone past the end of recurrence; give up.
-            if ($this->hasRecurEnd() &&
-                $this->recurEnd->compareDateTime($estart) < 0) {
-                return false;
-            }
-
-            return $estart;
-
-        case self::RECUR_YEARLY_WEEKDAY:
-            // Start with the start date of the event.
-            $estart = clone $this->start;
-
-            // What day of the week, and week of the month, do we recur on?
-            if (isset($this->recurNthDay)) {
-                $nth = $this->recurNthDay;
-                $weekday = log($this->recurData, 2);
-            } else {
-                $nth = ceil($this->start->mday / 7);
-                $weekday = $estart->dayOfWeek();
-            }
-
-            // Adjust $estart to be the first candidate.
-            $offset = floor(($after->year - $estart->year + $this->recurInterval - 1) / $this->recurInterval) * $this->recurInterval;
-
-            // Adjust our working date until it's after $after.
-            $estart->year += $offset - $this->recurInterval;
-
-            $count = $offset / $this->recurInterval;
-            do {
-                if ($this->recurCount &&
-                    $count++ >= $this->recurCount) {
-                    return false;
-                }
-
-                $estart->year += $this->recurInterval;
-
-                $next = clone $estart;
-                $next->setNthWeekday($weekday, $nth);
-
-                if ($next->compareDateTime($after) < 0) {
-                    // We haven't made it past $after yet, try again.
-                    continue;
-                }
-                if ($this->hasRecurEnd() &&
-                    $next->compareDateTime($this->recurEnd) > 0) {
-                    // We've gone past the end of recurrence; we can give up
-                    // now.
-                    return false;
-                }
-
-                // We have a candidate to return.
-                break;
-            } while (true);
-
-            return $next;
-        }
-
-        // We didn't find anything, the recurType was bad, or something else
-        // went wrong - return false.
-        return false;
-    }
-
-    /**
-     * Returns whether this event has any date that matches the recurrence
-     * rules and is not an exception.
-     *
-     * @return boolean  True if an active recurrence exists.
-     */
-    public function hasActiveRecurrence()
-    {
-        if (!$this->hasRecurEnd()) {
-            return true;
-        }
-
-        $next = $this->nextRecurrence(new Horde_Date($this->start));
-        while (is_object($next)) {
-            if (!$this->hasException($next->year, $next->month, $next->mday) &&
-                !$this->hasCompletion($next->year, $next->month, $next->mday)) {
-                return true;
-            }
-
-            $next = $this->nextRecurrence($next->add(array('day' => 1)));
-        }
-
-        return false;
-    }
-
-    /**
-     * Returns the next active recurrence.
-     *
-     * @param Horde_Date $afterDate  Return events after this date.
-     *
-     * @return Horde_Date|boolean The date of the next active
-     *                             recurrence or false if the event
-     *                             has no active recurrence after
-     *                             $afterDate.
-     */
-    public function nextActiveRecurrence($afterDate)
-    {
-        $next = $this->nextRecurrence($afterDate);
-        while (is_object($next)) {
-            if (!$this->hasException($next->year, $next->month, $next->mday) &&
-                !$this->hasCompletion($next->year, $next->month, $next->mday)) {
-                return $next;
-            }
-            $next->mday++;
-            $next = $this->nextRecurrence($next);
-        }
-
-        return false;
-    }
-
-    /**
-     * Adds an exception to a recurring event.
-     *
-     * @param integer $year   The year of the execption.
-     * @param integer $month  The month of the execption.
-     * @param integer $mday   The day of the month of the exception.
-     */
-    public function addException($year, $month, $mday)
-    {
-        $this->exceptions[] = sprintf('%04d%02d%02d', $year, $month, $mday);
-    }
-
-    /**
-     * Deletes an exception from a recurring event.
-     *
-     * @param integer $year   The year of the execption.
-     * @param integer $month  The month of the execption.
-     * @param integer $mday   The day of the month of the exception.
-     */
-    public function deleteException($year, $month, $mday)
-    {
-        $key = array_search(sprintf('%04d%02d%02d', $year, $month, $mday), $this->exceptions);
-        if ($key !== false) {
-            unset($this->exceptions[$key]);
-        }
-    }
-
-    /**
-     * Checks if an exception exists for a given reccurence of an event.
-     *
-     * @param integer $year   The year of the reucrance.
-     * @param integer $month  The month of the reucrance.
-     * @param integer $mday   The day of the month of the reucrance.
-     *
-     * @return boolean  True if an exception exists for the given date.
-     */
-    public function hasException($year, $month, $mday)
-    {
-        return in_array(sprintf('%04d%02d%02d', $year, $month, $mday),
-                        $this->getExceptions());
-    }
-
-    /**
-     * Retrieves all the exceptions for this event.
-     *
-     * @return array  Array containing the dates of all the exceptions in
-     *                YYYYMMDD form.
-     */
-    public function getExceptions()
-    {
-        return $this->exceptions;
-    }
-
-    /**
-     * Adds a completion to a recurring event.
-     *
-     * @param integer $year   The year of the execption.
-     * @param integer $month  The month of the execption.
-     * @param integer $mday   The day of the month of the completion.
-     */
-    public function addCompletion($year, $month, $mday)
-    {
-        $this->completions[] = sprintf('%04d%02d%02d', $year, $month, $mday);
-    }
-
-    /**
-     * Deletes a completion from a recurring event.
-     *
-     * @param integer $year   The year of the execption.
-     * @param integer $month  The month of the execption.
-     * @param integer $mday   The day of the month of the completion.
-     */
-    public function deleteCompletion($year, $month, $mday)
-    {
-        $key = array_search(sprintf('%04d%02d%02d', $year, $month, $mday), $this->completions);
-        if ($key !== false) {
-            unset($this->completions[$key]);
-        }
-    }
-
-    /**
-     * Checks if a completion exists for a given reccurence of an event.
-     *
-     * @param integer $year   The year of the reucrance.
-     * @param integer $month  The month of the recurrance.
-     * @param integer $mday   The day of the month of the recurrance.
-     *
-     * @return boolean  True if a completion exists for the given date.
-     */
-    public function hasCompletion($year, $month, $mday)
-    {
-        return in_array(sprintf('%04d%02d%02d', $year, $month, $mday),
-                        $this->getCompletions());
-    }
-
-    /**
-     * Retrieves all the completions for this event.
-     *
-     * @return array  Array containing the dates of all the completions in
-     *                YYYYMMDD form.
-     */
-    public function getCompletions()
-    {
-        return $this->completions;
-    }
-
-    /**
-     * Parses a vCalendar 1.0 recurrence rule.
-     *
-     * @link http://www.imc.org/pdi/vcal-10.txt
-     * @link http://www.shuchow.com/vCalAddendum.html
-     *
-     * @param string $rrule  A vCalendar 1.0 conform RRULE value.
-     */
-    public function fromRRule10($rrule)
-    {
-        $this->reset();
-
-        if (!$rrule) {
-            return;
-        }
-
-        if (!preg_match('/([A-Z]+)(\d+)?(.*)/', $rrule, $matches)) {
-            // No recurrence data - event does not recur.
-            $this->setRecurType(self::RECUR_NONE);
-        }
-
-        // Always default the recurInterval to 1.
-        $this->setRecurInterval(!empty($matches[2]) ? $matches[2] : 1);
-
-        $remainder = trim($matches[3]);
-
-        switch ($matches[1]) {
-        case 'D':
-            $this->setRecurType(self::RECUR_DAILY);
-            break;
-
-        case 'W':
-            $this->setRecurType(self::RECUR_WEEKLY);
-            if (!empty($remainder)) {
-                $mask = 0;
-                while (preg_match('/^ ?[A-Z]{2} ?/', $remainder, $matches)) {
-                    $day = trim($matches[0]);
-                    $remainder = substr($remainder, strlen($matches[0]));
-                    $mask |= $maskdays[$day];
-                }
-                $this->setRecurOnDay($mask);
-            } else {
-                // Recur on the day of the week of the original recurrence.
-                $maskdays = array(
-                    Horde_Date::DATE_SUNDAY => Horde_Date::MASK_SUNDAY,
-                    Horde_Date::DATE_MONDAY => Horde_Date::MASK_MONDAY,
-                    Horde_Date::DATE_TUESDAY => Horde_Date::MASK_TUESDAY,
-                    Horde_Date::DATE_WEDNESDAY => Horde_Date::MASK_WEDNESDAY,
-                    Horde_Date::DATE_THURSDAY => Horde_Date::MASK_THURSDAY,
-                    Horde_Date::DATE_FRIDAY => Horde_Date::MASK_FRIDAY,
-                    Horde_Date::DATE_SATURDAY => Horde_Date::MASK_SATURDAY,
-                );
-                $this->setRecurOnDay($maskdays[$this->start->dayOfWeek()]);
-            }
-            break;
-
-        case 'MP':
-            $this->setRecurType(self::RECUR_MONTHLY_WEEKDAY);
-            break;
-
-        case 'MD':
-            $this->setRecurType(self::RECUR_MONTHLY_DATE);
-            break;
-
-        case 'YM':
-            $this->setRecurType(self::RECUR_YEARLY_DATE);
-            break;
-
-        case 'YD':
-            $this->setRecurType(self::RECUR_YEARLY_DAY);
-            break;
-        }
-
-        // We don't support modifiers at the moment, strip them.
-        while ($remainder && !preg_match('/^(#\d+|\d{8})($| |T\d{6})/', $remainder)) {
-               $remainder = substr($remainder, 1);
-        }
-        if (!empty($remainder)) {
-            if (strpos($remainder, '#') === 0) {
-                $this->setRecurCount(substr($remainder, 1));
-            } else {
-                list($year, $month, $mday) = sscanf($remainder, '%04d%02d%02d');
-                $this->setRecurEnd(new Horde_Date(array('year' => $year,
-                                                        'month' => $month,
-                                                        'mday' => $mday,
-                                                        'hour' => 23,
-                                                        'min' => 59,
-                                                        'sec' => 59)));
-            }
-        }
-    }
-
-    /**
-     * Creates a vCalendar 1.0 recurrence rule.
-     *
-     * @link http://www.imc.org/pdi/vcal-10.txt
-     * @link http://www.shuchow.com/vCalAddendum.html
-     *
-     * @param Horde_Icalendar $calendar  A Horde_Icalendar object instance.
-     *
-     * @return string  A vCalendar 1.0 conform RRULE value.
-     */
-    public function toRRule10($calendar)
-    {
-        switch ($this->recurType) {
-        case self::RECUR_NONE:
-            return '';
-
-        case self::RECUR_DAILY:
-            $rrule = 'D' . $this->recurInterval;
-            break;
-
-        case self::RECUR_WEEKLY:
-            $rrule = 'W' . $this->recurInterval;
-            $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-
-            for ($i = 0; $i <= 7; ++$i) {
-                if ($this->recurOnDay(pow(2, $i))) {
-                    $rrule .= ' ' . $vcaldays[$i];
-                }
-            }
-            break;
-
-        case self::RECUR_MONTHLY_DATE:
-            $rrule = 'MD' . $this->recurInterval . ' ' . trim($this->start->mday);
-            break;
-
-        case self::RECUR_MONTHLY_WEEKDAY:
-            $nth_weekday = (int)($this->start->mday / 7);
-            if (($this->start->mday % 7) > 0) {
-                $nth_weekday++;
-            }
-
-            $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-            $rrule = 'MP' . $this->recurInterval . ' ' . $nth_weekday . '+ ' . $vcaldays[$this->start->dayOfWeek()];
-
-            break;
-
-        case self::RECUR_YEARLY_DATE:
-            $rrule = 'YM' . $this->recurInterval . ' ' . trim($this->start->month);
-            break;
-
-        case self::RECUR_YEARLY_DAY:
-            $rrule = 'YD' . $this->recurInterval . ' ' . $this->start->dayOfYear();
-            break;
-
-        default:
-            return '';
-        }
-
-        if ($this->hasRecurEnd()) {
-            $recurEnd = clone $this->recurEnd;
-            return $rrule . ' ' . $calendar->_exportDateTime($recurEnd);
-        }
-
-        return $rrule . ' #' . (int)$this->getRecurCount();
-    }
-
-    /**
-     * Parses an iCalendar 2.0 recurrence rule.
-     *
-     * @link http://rfc.net/rfc2445.html#s4.3.10
-     * @link http://rfc.net/rfc2445.html#s4.8.5
-     * @link http://www.shuchow.com/vCalAddendum.html
-     *
-     * @param string $rrule  An iCalendar 2.0 conform RRULE value.
-     */
-    public function fromRRule20($rrule)
-    {
-        $this->reset();
-
-        // Parse the recurrence rule into keys and values.
-        $rdata = array();
-        $parts = explode(';', $rrule);
-        foreach ($parts as $part) {
-            list($key, $value) = explode('=', $part, 2);
-            $rdata[strtoupper($key)] = $value;
-        }
-
-        if (isset($rdata['FREQ'])) {
-            // Always default the recurInterval to 1.
-            $this->setRecurInterval(isset($rdata['INTERVAL']) ? $rdata['INTERVAL'] : 1);
-
-            $maskdays = array(
-                'SU' => Horde_Date::MASK_SUNDAY,
-                'MO' => Horde_Date::MASK_MONDAY,
-                'TU' => Horde_Date::MASK_TUESDAY,
-                'WE' => Horde_Date::MASK_WEDNESDAY,
-                'TH' => Horde_Date::MASK_THURSDAY,
-                'FR' => Horde_Date::MASK_FRIDAY,
-                'SA' => Horde_Date::MASK_SATURDAY,
-            );
-
-            switch (strtoupper($rdata['FREQ'])) {
-            case 'DAILY':
-                $this->setRecurType(self::RECUR_DAILY);
-                break;
-
-            case 'WEEKLY':
-                $this->setRecurType(self::RECUR_WEEKLY);
-                if (isset($rdata['BYDAY'])) {
-                    $days = explode(',', $rdata['BYDAY']);
-                    $mask = 0;
-                    foreach ($days as $day) {
-                        $mask |= $maskdays[$day];
-                    }
-                    $this->setRecurOnDay($mask);
-                } else {
-                    // Recur on the day of the week of the original
-                    // recurrence.
-                    $maskdays = array(
-                        Horde_Date::DATE_SUNDAY => Horde_Date::MASK_SUNDAY,
-                        Horde_Date::DATE_MONDAY => Horde_Date::MASK_MONDAY,
-                        Horde_Date::DATE_TUESDAY => Horde_Date::MASK_TUESDAY,
-                        Horde_Date::DATE_WEDNESDAY => Horde_Date::MASK_WEDNESDAY,
-                        Horde_Date::DATE_THURSDAY => Horde_Date::MASK_THURSDAY,
-                        Horde_Date::DATE_FRIDAY => Horde_Date::MASK_FRIDAY,
-                        Horde_Date::DATE_SATURDAY => Horde_Date::MASK_SATURDAY);
-                    $this->setRecurOnDay($maskdays[$this->start->dayOfWeek()]);
-                }
-                break;
-
-            case 'MONTHLY':
-                if (isset($rdata['BYDAY'])) {
-                    $this->setRecurType(self::RECUR_MONTHLY_WEEKDAY);
-                    if (preg_match('/(-?[1-4])([A-Z]+)/', $rdata['BYDAY'], $m)) {
-                        $this->setRecurOnDay($maskdays[$m[2]]);
-                        $this->setRecurNthWeekday($m[1]);
-                    }
-                } else {
-                    $this->setRecurType(self::RECUR_MONTHLY_DATE);
-                }
-                break;
-
-            case 'YEARLY':
-                if (isset($rdata['BYYEARDAY'])) {
-                    $this->setRecurType(self::RECUR_YEARLY_DAY);
-                } elseif (isset($rdata['BYDAY'])) {
-                    $this->setRecurType(self::RECUR_YEARLY_WEEKDAY);
-                    if (preg_match('/(-?[1-4])([A-Z]+)/', $rdata['BYDAY'], $m)) {
-                        $this->setRecurOnDay($maskdays[$m[2]]);
-                        $this->setRecurNthWeekday($m[1]);
-                    }
-                    if ($rdata['BYMONTH']) {
-                        $months = explode(',', $rdata['BYMONTH']);
-                        $this->setRecurByMonth($months);
-                    }
-                } else {
-                    $this->setRecurType(self::RECUR_YEARLY_DATE);
-                }
-                break;
-            }
-
-            if (isset($rdata['UNTIL'])) {
-                list($year, $month, $mday) = sscanf($rdata['UNTIL'],
-                                                    '%04d%02d%02d');
-                $this->setRecurEnd(new Horde_Date(array('year' => $year,
-                                                        'month' => $month,
-                                                        'mday' => $mday,
-                                                        'hour' => 23,
-                                                        'min' => 59,
-                                                        'sec' => 59)));
-            }
-            if (isset($rdata['COUNT'])) {
-                $this->setRecurCount($rdata['COUNT']);
-            }
-        } else {
-            // No recurrence data - event does not recur.
-            $this->setRecurType(self::RECUR_NONE);
-        }
-    }
-
-    /**
-     * Creates an iCalendar 2.0 recurrence rule.
-     *
-     * @link http://rfc.net/rfc2445.html#s4.3.10
-     * @link http://rfc.net/rfc2445.html#s4.8.5
-     * @link http://www.shuchow.com/vCalAddendum.html
-     *
-     * @param Horde_Icalendar $calendar  A Horde_Icalendar object instance.
-     *
-     * @return string  An iCalendar 2.0 conform RRULE value.
-     */
-    public function toRRule20($calendar)
-    {
-        switch ($this->recurType) {
-        case self::RECUR_NONE:
-            return '';
-
-        case self::RECUR_DAILY:
-            $rrule = 'FREQ=DAILY;INTERVAL='  . $this->recurInterval;
-            break;
-
-        case self::RECUR_WEEKLY:
-            $rrule = 'FREQ=WEEKLY;INTERVAL=' . $this->recurInterval . ';BYDAY=';
-            $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-
-            for ($i = $flag = 0; $i <= 7; ++$i) {
-                if ($this->recurOnDay(pow(2, $i))) {
-                    if ($flag) {
-                        $rrule .= ',';
-                    }
-                    $rrule .= $vcaldays[$i];
-                    $flag = true;
-                }
-            }
-            break;
-
-        case self::RECUR_MONTHLY_DATE:
-            $rrule = 'FREQ=MONTHLY;INTERVAL=' . $this->recurInterval;
-            break;
-
-        case self::RECUR_MONTHLY_WEEKDAY:
-            if (isset($this->recurNthDay)) {
-                $nth_weekday = $this->recurNthDay;
-                $day_of_week = log($this->recurData, 2);
-            } else {
-                $day_of_week = $this->start->dayOfWeek();
-                $nth_weekday = (int)($this->start->mday / 7);
-                if (($this->start->mday % 7) > 0) {
-                    $nth_weekday++;
-                }
-            }
-            $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-            $rrule = 'FREQ=MONTHLY;INTERVAL=' . $this->recurInterval
-                . ';BYDAY=' . $nth_weekday . $vcaldays[$day_of_week];
-            break;
-
-        case self::RECUR_YEARLY_DATE:
-            $rrule = 'FREQ=YEARLY;INTERVAL=' . $this->recurInterval;
-            break;
-
-        case self::RECUR_YEARLY_DAY:
-            $rrule = 'FREQ=YEARLY;INTERVAL=' . $this->recurInterval
-                . ';BYYEARDAY=' . $this->start->dayOfYear();
-            break;
-
-        case self::RECUR_YEARLY_WEEKDAY:
-            if (isset($this->recurNthDay)) {
-                $nth_weekday = $this->recurNthDay;
-                $day_of_week = log($this->recurData, 2);
-            } else {
-                $day_of_week = $this->start->dayOfWeek();
-                $nth_weekday = (int)($this->start->mday / 7);
-                if (($this->start->mday % 7) > 0) {
-                    $nth_weekday++;
-                }
-             }
-            $months = !empty($this->recurMonths) ? join(',', $this->recurMonths) : $this->start->month;
-            $vcaldays = array('SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA');
-            $rrule = 'FREQ=YEARLY;INTERVAL=' . $this->recurInterval
-                . ';BYDAY='
-                . $nth_weekday
-                . $vcaldays[$day_of_week]
-                . ';BYMONTH=' . $this->start->month;
-            break;
-        }
-
-        if ($this->hasRecurEnd()) {
-            $recurEnd = clone $this->recurEnd;
-            $rrule .= ';UNTIL=' . $calendar->_exportDateTime($recurEnd);
-        }
-        if ($count = $this->getRecurCount()) {
-            $rrule .= ';COUNT=' . $count;
-        }
-        return $rrule;
-    }
-
-    /**
-     * Parses the recurrence data from a hash.
-     *
-     * @param array $hash  The hash to convert.
-     *
-     * @return boolean  True if the hash seemed valid, false otherwise.
-     */
-    public function fromHash($hash)
-    {
-        $this->reset();
-
-        if (!isset($hash['interval']) || !isset($hash['cycle'])) {
-            $this->setRecurType(self::RECUR_NONE);
-            return false;
-        }
-
-        $this->setRecurInterval((int)$hash['interval']);
-
-        $month2number = array(
-            'january'   => 1,
-            'february'  => 2,
-            'march'     => 3,
-            'april'     => 4,
-            'may'       => 5,
-            'june'      => 6,
-            'july'      => 7,
-            'august'    => 8,
-            'september' => 9,
-            'october'   => 10,
-            'november'  => 11,
-            'december'  => 12,
-        );
-
-        $parse_day = false;
-        $set_daymask = false;
-        $update_month = false;
-        $update_daynumber = false;
-        $update_weekday = false;
-        $nth_weekday = -1;
-
-        switch ($hash['cycle']) {
-        case 'daily':
-            $this->setRecurType(self::RECUR_DAILY);
-            break;
-
-        case 'weekly':
-            $this->setRecurType(self::RECUR_WEEKLY);
-            $parse_day = true;
-            $set_daymask = true;
-            break;
-
-        case 'monthly':
-            if (!isset($hash['daynumber'])) {
-                $this->setRecurType(self::RECUR_NONE);
-                return false;
-            }
-
-            switch ($hash['type']) {
-            case 'daynumber':
-                $this->setRecurType(self::RECUR_MONTHLY_DATE);
-                $update_daynumber = true;
-                break;
-
-            case 'weekday':
-                $this->setRecurType(self::RECUR_MONTHLY_WEEKDAY);
-                $this->setRecurNthWeekday($hash['daynumber']);
-                $parse_day = true;
-                $set_daymask = true;
-                break;
-            }
-            break;
-
-        case 'yearly':
-            if (!isset($hash['type'])) {
-                $this->setRecurType(self::RECUR_NONE);
-                return false;
-            }
-
-            switch ($hash['type']) {
-            case 'monthday':
-                $this->setRecurType(self::RECUR_YEARLY_DATE);
-                $update_month = true;
-                $update_daynumber = true;
-                break;
-
-            case 'yearday':
-                if (!isset($hash['month'])) {
-                    $this->setRecurType(self::RECUR_NONE);
-                    return false;
-                }
-
-                $this->setRecurType(self::RECUR_YEARLY_DAY);
-                // Start counting days in January.
-                $hash['month'] = 'january';
-                $update_month = true;
-                $update_daynumber = true;
-                break;
-
-            case 'weekday':
-                if (!isset($hash['daynumber'])) {
-                    $this->setRecurType(self::RECUR_NONE);
-                    return false;
-                }
-
-                $this->setRecurType(self::RECUR_YEARLY_WEEKDAY);
-                $this->setRecurNthWeekday($hash['daynumber']);
-                $parse_day = true;
-                $set_daymask = true;
-
-                if ($hash['month'] && isset($month2number[$hash['month']])) {
-                    $this->setRecurByMonth($month2number[$hash['month']]);
-                }
-                break;
-            }
-        }
-
-        if (isset($hash['range-type']) && isset($hash['range'])) {
-            switch ($hash['range-type']) {
-            case 'number':
-                $this->setRecurCount((int)$hash['range']);
-                break;
-
-            case 'date':
-                $recur_end = new Horde_Date($hash['range']);
-                $recur_end->hour = 23;
-                $recur_end->min = 59;
-                $recur_end->sec = 59;
-                $this->setRecurEnd($recur_end);
-                break;
-            }
-        }
-
-        // Need to parse <day>?
-        $last_found_day = -1;
-        if ($parse_day) {
-            if (!isset($hash['day'])) {
-                $this->setRecurType(self::RECUR_NONE);
-                return false;
-            }
-
-            $mask = 0;
-            $bits = array(
-                'monday' => Horde_Date::MASK_MONDAY,
-                'tuesday' => Horde_Date::MASK_TUESDAY,
-                'wednesday' => Horde_Date::MASK_WEDNESDAY,
-                'thursday' => Horde_Date::MASK_THURSDAY,
-                'friday' => Horde_Date::MASK_FRIDAY,
-                'saturday' => Horde_Date::MASK_SATURDAY,
-                'sunday' => Horde_Date::MASK_SUNDAY,
-            );
-            $days = array(
-                'monday' => Horde_Date::DATE_MONDAY,
-                'tuesday' => Horde_Date::DATE_TUESDAY,
-                'wednesday' => Horde_Date::DATE_WEDNESDAY,
-                'thursday' => Horde_Date::DATE_THURSDAY,
-                'friday' => Horde_Date::DATE_FRIDAY,
-                'saturday' => Horde_Date::DATE_SATURDAY,
-                'sunday' => Horde_Date::DATE_SUNDAY,
-            );
-
-            foreach ($hash['day'] as $day) {
-                // Validity check.
-                if (empty($day) || !isset($bits[$day])) {
-                    continue;
-                }
-
-                $mask |= $bits[$day];
-                $last_found_day = $days[$day];
-            }
-
-            if ($set_daymask) {
-                $this->setRecurOnDay($mask);
-            }
-        }
-
-        if ($update_month || $update_daynumber || $update_weekday) {
-            if ($update_month) {
-                if (isset($month2number[$hash['month']])) {
-                    $this->start->month = $month2number[$hash['month']];
-                }
-            }
-
-            if ($update_daynumber) {
-                if (!isset($hash['daynumber'])) {
-                    $this->setRecurType(self::RECUR_NONE);
-                    return false;
-                }
-
-                $this->start->mday = $hash['daynumber'];
-            }
-
-            if ($update_weekday) {
-                $this->setNthWeekday($nth_weekday);
-            }
-        }
-
-        // Exceptions.
-        if (isset($hash['exceptions'])) {
-            $this->exceptions = $hash['exceptions'];
-        }
-
-        if (isset($hash['completions'])) {
-            $this->completions = $hash['completions'];
-        }
-
-        return true;
-    }
-
-    /**
-     * Export this object into a hash.
-     *
-     * @return array  The recurrence hash.
-     */
-    public function toHash()
-    {
-        if ($this->getRecurType() == self::RECUR_NONE) {
-            return array();
-        }
-
-        $day2number = array(
-            0 => 'sunday',
-            1 => 'monday',
-            2 => 'tuesday',
-            3 => 'wednesday',
-            4 => 'thursday',
-            5 => 'friday',
-            6 => 'saturday'
-        );
-        $month2number = array(
-            1 => 'january',
-            2 => 'february',
-            3 => 'march',
-            4 => 'april',
-            5 => 'may',
-            6 => 'june',
-            7 => 'july',
-            8 => 'august',
-            9 => 'september',
-            10 => 'october',
-            11 => 'november',
-            12 => 'december'
-        );
-
-        $hash = array('interval' => $this->getRecurInterval());
-        $start = $this->getRecurStart();
-
-        switch ($this->getRecurType()) {
-        case self::RECUR_DAILY:
-            $hash['cycle'] = 'daily';
-            break;
-
-        case self::RECUR_WEEKLY:
-            $hash['cycle'] = 'weekly';
-            $bits = array(
-                'monday' => Horde_Date::MASK_MONDAY,
-                'tuesday' => Horde_Date::MASK_TUESDAY,
-                'wednesday' => Horde_Date::MASK_WEDNESDAY,
-                'thursday' => Horde_Date::MASK_THURSDAY,
-                'friday' => Horde_Date::MASK_FRIDAY,
-                'saturday' => Horde_Date::MASK_SATURDAY,
-                'sunday' => Horde_Date::MASK_SUNDAY,
-            );
-            $days = array();
-            foreach ($bits as $name => $bit) {
-                if ($this->recurOnDay($bit)) {
-                    $days[] = $name;
-                }
-            }
-            $hash['day'] = $days;
-            break;
-
-        case self::RECUR_MONTHLY_DATE:
-            $hash['cycle'] = 'monthly';
-            $hash['type'] = 'daynumber';
-            $hash['daynumber'] = $start->mday;
-            break;
-
-        case self::RECUR_MONTHLY_WEEKDAY:
-            $hash['cycle'] = 'monthly';
-            $hash['type'] = 'weekday';
-            $hash['daynumber'] = $start->weekOfMonth();
-            $hash['day'] = array ($day2number[$start->dayOfWeek()]);
-            break;
-
-        case self::RECUR_YEARLY_DATE:
-            $hash['cycle'] = 'yearly';
-            $hash['type'] = 'monthday';
-            $hash['daynumber'] = $start->mday;
-            $hash['month'] = $month2number[$start->month];
-            break;
-
-        case self::RECUR_YEARLY_DAY:
-            $hash['cycle'] = 'yearly';
-            $hash['type'] = 'yearday';
-            $hash['daynumber'] = $start->dayOfYear();
-            break;
-
-        case self::RECUR_YEARLY_WEEKDAY:
-            $hash['cycle'] = 'yearly';
-            $hash['type'] = 'weekday';
-            $hash['daynumber'] = $start->weekOfMonth();
-            $hash['day'] = array ($day2number[$start->dayOfWeek()]);
-            $hash['month'] = $month2number[$start->month];
-        }
-
-        if ($this->hasRecurCount()) {
-            $hash['range-type'] = 'number';
-            $hash['range'] = $this->getRecurCount();
-        } elseif ($this->hasRecurEnd()) {
-            $date = $this->getRecurEnd();
-            $hash['range-type'] = 'date';
-            $hash['range'] = $date->datestamp();
-        } else {
-            $hash['range-type'] = 'none';
-            $hash['range'] = '';
-        }
-
-        // Recurrence exceptions
-        $hash['exceptions'] = $this->exceptions;
-        $hash['completions'] = $this->completions;
-
-        return $hash;
-    }
-
-    /**
-     * Returns a simple object suitable for json transport representing this
-     * object.
-     *
-     * Possible properties are:
-     * - t: type
-     * - i: interval
-     * - e: end date
-     * - c: count
-     * - d: data
-     * - co: completions
-     * - ex: exceptions
-     *
-     * @return object  A simple object.
-     */
-    public function toJson()
-    {
-        $json = new stdClass;
-        $json->t = $this->recurType;
-        $json->i = $this->recurInterval;
-        if ($this->hasRecurEnd()) {
-            $json->e = $this->recurEnd->toJson();
-        }
-        if ($this->recurCount) {
-            $json->c = $this->recurCount;
-        }
-        if ($this->recurData) {
-            $json->d = $this->recurData;
-        }
-        if ($this->completions) {
-            $json->co = $this->completions;
-        }
-        if ($this->exceptions) {
-            $json->ex = $this->exceptions;
-        }
-        return $json;
-    }
-
-}
diff --git a/plugins/libkolab/lib/Horde_Kolab_Format_XML_configuration.php b/plugins/libkolab/lib/Horde_Kolab_Format_XML_configuration.php
deleted file mode 100644
index c80fbd3..0000000
--- a/plugins/libkolab/lib/Horde_Kolab_Format_XML_configuration.php
+++ /dev/null
@@ -1,76 +0,0 @@
-<?php
-
-/**
- * Kolab XML handler for configuration (KEP:9).
- *
- * @author  Aleksander Machniak <machniak at kolabsys.com>
- *
- * Copyright (C) 2011, Kolab Systems AG <contact at kolabsys.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class Horde_Kolab_Format_XML_configuration extends Horde_Kolab_Format_XML {
-    /**
-     * Specific data fields for the configuration object
-     *
-     * @var Kolab
-     */
-    var $_fields_specific;
-
-    var $_root_version = 2.1;
-
-    /**
-     * Constructor
-     */
-    function Horde_Kolab_Format_XML_configuration($params = array())
-    {
-        $this->_root_name = 'configuration';
-
-        // Specific configuration fields, in kolab format specification order
-        $this->_fields_specific = array(
-            'application' => array (
-                'type'    => HORDE_KOLAB_XML_TYPE_STRING,
-                'value'   => HORDE_KOLAB_XML_VALUE_MAYBE_MISSING,
-            ),
-            'type' => array(
-                'type'    => HORDE_KOLAB_XML_TYPE_STRING,
-                'value'   => HORDE_KOLAB_XML_VALUE_NOT_EMPTY,
-            ),
-        );
-
-        // Dictionary fields
-        if (!empty($params['subtype']) && preg_match('/^dictionary.*/', $params['subtype'])) {
-            $this->_fields_specific = array_merge($this->_fields_specific, array(
-                'language' => array (
-                    'type'    => HORDE_KOLAB_XML_TYPE_STRING,
-                    'value'   => HORDE_KOLAB_XML_VALUE_NOT_EMPTY,
-                ),
-                'e' => array(
-                    'type'    => HORDE_KOLAB_XML_TYPE_MULTIPLE,
-                    'value'   => HORDE_KOLAB_XML_VALUE_NOT_EMPTY,
-                    'array'   => array(
-                        'type' => HORDE_KOLAB_XML_TYPE_STRING,
-                        'value' => HORDE_KOLAB_XML_VALUE_NOT_EMPTY,
-                    ),
-                ),
-            ));
-        }
-
-        parent::Horde_Kolab_Format_XML($params);
-
-        unset($this->_fields_basic['body']);
-        unset($this->_fields_basic['categories']);
-        unset($this->_fields_basic['sensitivity']);
-    }
-}
diff --git a/plugins/libkolab/lib/kolab_format.php b/plugins/libkolab/lib/kolab_format.php
index a414781..c3c1b12 100644
--- a/plugins/libkolab/lib/kolab_format.php
+++ b/plugins/libkolab/lib/kolab_format.php
@@ -391,13 +391,6 @@ abstract class kolab_format
     abstract public function to_array();
 
     /**
-     * Load object data from Kolab2 format
-     *
-     * @param array Hash array with object properties (produced by Horde Kolab_Format classes)
-     */
-    abstract public function fromkolab2($object);
-
-    /**
      * Callback for kolab_storage_cache to get object specific tags to cache
      *
      * @return array List of tags to save in cache
diff --git a/plugins/libkolab/lib/kolab_format_configuration.php b/plugins/libkolab/lib/kolab_format_configuration.php
index 918928b..0edc6a2 100644
--- a/plugins/libkolab/lib/kolab_format_configuration.php
+++ b/plugins/libkolab/lib/kolab_format_configuration.php
@@ -129,19 +129,6 @@ class kolab_format_configuration extends kolab_format
     }
 
     /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-            'uid'     => $record['uid'],
-            'changed' => $record['last-modification-date'],
-        );
-
-        $this->data = $object + $record;
-    }
-
-    /**
      * Callback for kolab_storage_cache to get object specific tags to cache
      *
      * @return array List of tags to save in cache
diff --git a/plugins/libkolab/lib/kolab_format_contact.php b/plugins/libkolab/lib/kolab_format_contact.php
index b147c38..39e579c 100644
--- a/plugins/libkolab/lib/kolab_format_contact.php
+++ b/plugins/libkolab/lib/kolab_format_contact.php
@@ -65,45 +65,6 @@ class kolab_format_contact extends kolab_format
         'children'  => Related::Child,
     );
 
-    // old Kolab 2 format field map
-    private $kolab2_fieldmap = array(
-      // kolab       => roundcube
-      'full-name'    => 'name',
-      'given-name'   => 'firstname',
-      'middle-names' => 'middlename',
-      'last-name'    => 'surname',
-      'prefix'       => 'prefix',
-      'suffix'       => 'suffix',
-      'nick-name'    => 'nickname',
-      'organization' => 'organization',
-      'department'   => 'department',
-      'job-title'    => 'jobtitle',
-      'birthday'     => 'birthday',
-      'anniversary'  => 'anniversary',
-      'phone'        => 'phone',
-      'im-address'   => 'im',
-      'web-page'     => 'website',
-      'profession'   => 'profession',
-      'manager-name' => 'manager',
-      'assistant'    => 'assistant',
-      'spouse-name'  => 'spouse',
-      'children'     => 'children',
-      'body'         => 'notes',
-      'pgp-publickey' => 'pgppublickey',
-      'free-busy-url' => 'freebusyurl',
-      'picture'       => 'photo',
-    );
-    private $kolab2_phonetypes = array(
-        'home1' => 'home',
-        'business1' => 'work',
-        'business2' => 'work',
-        'businessfax' => 'workfax',
-    );
-    private $kolab2_addresstypes = array(
-        'business' => 'work'
-    );
-    private $kolab2_gender = array(0 => 'male', 1 => 'female');
-
 
     /**
      * Default constructor
@@ -417,58 +378,6 @@ class kolab_format_contact extends kolab_format
     }
 
     /**
-     * Load data from old Kolab2 format
-     *
-     * @param array Hash array with object properties
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-          'uid' => $record['uid'],
-          'email' => array(),
-          'phone' => array(),
-        );
-
-        foreach ($this->kolab2_fieldmap as $kolab => $rcube) {
-          if (is_array($record[$kolab]) || strlen($record[$kolab]))
-            $object[$rcube] = $record[$kolab];
-        }
-
-        if (isset($record['gender']))
-            $object['gender'] = $this->kolab2_gender[$record['gender']];
-
-        foreach ((array)$record['email'] as $i => $email)
-            $object['email'][] = $email['smtp-address'];
-
-        if (!$record['email'] && $record['emails'])
-            $object['email'] = preg_split('/,\s*/', $record['emails']);
-
-        if (is_array($record['address'])) {
-            foreach ($record['address'] as $i => $adr) {
-                $object['address'][] = array(
-                    'type' => $this->kolab2_addresstypes[$adr['type']] ? $this->kolab2_addresstypes[$adr['type']] : $adr['type'],
-                    'street' => $adr['street'],
-                    'locality' => $adr['locality'],
-                    'code' => $adr['postal-code'],
-                    'region' => $adr['region'],
-                    'country' => $adr['country'],
-                );
-            }
-        }
-
-        // office location goes into an address block
-        if ($record['office-location'])
-            $object['address'][] = array('type' => 'office', 'locality' => $record['office-location']);
-
-        // merge initials into nickname
-        if ($record['initials'])
-            $object['nickname'] = trim($object['nickname'] . ', ' . $record['initials'], ', ');
-
-        // remove empty fields
-        $this->data = array_filter($object);
-    }
-
-    /**
      * Helper method to copy contents of an Address vector to the contact data object
      */
     private function read_addresses($addresses, &$object, $type = null)
diff --git a/plugins/libkolab/lib/kolab_format_distributionlist.php b/plugins/libkolab/lib/kolab_format_distributionlist.php
index ba54742..5622fc5 100644
--- a/plugins/libkolab/lib/kolab_format_distributionlist.php
+++ b/plugins/libkolab/lib/kolab_format_distributionlist.php
@@ -81,29 +81,6 @@ class kolab_format_distributionlist extends kolab_format
     }
 
     /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-            'uid'     => $record['uid'],
-            'changed' => $record['last-modification-date'],
-            'name'    => $record['last-name'],
-            'member'  => array(),
-        );
-
-        foreach ((array)$record['member'] as $member) {
-            $object['member'][] = array(
-                'email' => $member['smtp-address'],
-                'name' => $member['display-name'],
-                'uid' => $member['uid'],
-            );
-        }
-
-        $this->data = $object;
-    }
-
-    /**
      * Convert the Distlist object into a hash array data structure
      *
      * @return array  Distribution list data as hash array
diff --git a/plugins/libkolab/lib/kolab_format_event.php b/plugins/libkolab/lib/kolab_format_event.php
index bcd6de1..4ef6735 100644
--- a/plugins/libkolab/lib/kolab_format_event.php
+++ b/plugins/libkolab/lib/kolab_format_event.php
@@ -30,20 +30,6 @@ class kolab_format_event extends kolab_format_xcal
     protected $read_func = 'readEvent';
     protected $write_func = 'writeEvent';
 
-    private $kolab2_rolemap = array(
-        'required' => 'REQ-PARTICIPANT',
-        'optional' => 'OPT-PARTICIPANT',
-        'resource' => 'CHAIR',
-    );
-    private $kolab2_statusmap = array(
-        'none'      => 'NEEDS-ACTION',
-        'tentative' => 'TENTATIVE',
-        'accepted'  => 'CONFIRMED',
-        'accepted'  => 'ACCEPTED',
-        'declined'  => 'DECLINED',
-    );
-    private $kolab2_monthmap = array('', 'january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december');
-
 
     /**
      * Clones into an instance of libcalendaring's extended EventCal class
@@ -196,125 +182,4 @@ class kolab_format_event extends kolab_format_xcal
         return $tags;
     }
 
-    /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($rec)
-    {
-        if (PEAR::isError($rec))
-            return;
-
-        $start_time = date('H:i:s', $rec['start-date']);
-        $allday = $rec['_is_all_day'] || ($start_time == '00:00:00' && $start_time == date('H:i:s', $rec['end-date']));
-
-        // in Roundcube all-day events go from 12:00 to 13:00
-        if ($allday) {
-            $now = new DateTime('now', self::$timezone);
-            $gmt_offset = $now->getOffset();
-
-            $rec['start-date'] += 12 * 3600;
-            $rec['end-date']   -= 11 * 3600;
-            $rec['end-date']   -= $gmt_offset - date('Z', $rec['end-date']);    // shift times from server's timezone to user's timezone
-            $rec['start-date'] -= $gmt_offset - date('Z', $rec['start-date']);  // because generated with mktime() in Horde_Kolab_Format_Date::decodeDate()
-            // sanity check
-            if ($rec['end-date'] <= $rec['start-date'])
-              $rec['end-date'] += 86400;
-        }
-
-        // convert alarm time into internal format
-        if ($rec['alarm']) {
-            $alarm_value = $rec['alarm'];
-            $alarm_unit = 'M';
-            if ($rec['alarm'] % 1440 == 0) {
-                $alarm_value /= 1440;
-                $alarm_unit = 'D';
-            }
-            else if ($rec['alarm'] % 60 == 0) {
-                $alarm_value /= 60;
-                $alarm_unit = 'H';
-            }
-            $alarm_value *= -1;
-        }
-
-        // convert recurrence rules into internal pseudo-vcalendar format
-        if ($recurrence = $rec['recurrence']) {
-            $rrule = array(
-                'FREQ' => strtoupper($recurrence['cycle']),
-                'INTERVAL' => intval($recurrence['interval']),
-            );
-
-            if ($recurrence['range-type'] == 'number')
-                $rrule['COUNT'] = intval($recurrence['range']);
-            else if ($recurrence['range-type'] == 'date')
-                $rrule['UNTIL'] = date_create('@'.$recurrence['range']);
-
-            if ($recurrence['day']) {
-                $byday = array();
-                $prefix = ($rrule['FREQ'] == 'MONTHLY' || $rrule['FREQ'] == 'YEARLY') ? intval($recurrence['daynumber'] ? $recurrence['daynumber'] : 1) : '';
-                foreach ($recurrence['day'] as $day)
-                    $byday[] = $prefix . substr(strtoupper($day), 0, 2);
-                $rrule['BYDAY'] = join(',', $byday);
-            }
-            if ($recurrence['daynumber']) {
-                if ($recurrence['type'] == 'monthday' || $recurrence['type'] == 'daynumber')
-                    $rrule['BYMONTHDAY'] = $recurrence['daynumber'];
-                else if ($recurrence['type'] == 'yearday')
-                    $rrule['BYYEARDAY'] = $recurrence['daynumber'];
-            }
-            if ($recurrence['month']) {
-                $monthmap = array_flip($this->kolab2_monthmap);
-                $rrule['BYMONTH'] = strtolower($monthmap[$recurrence['month']]);
-            }
-
-            if ($recurrence['exclusion']) {
-                foreach ((array)$recurrence['exclusion'] as $excl)
-                    $rrule['EXDATE'][] = date_create($excl . date(' H:i:s', $rec['start-date']));  // use time of event start
-            }
-        }
-
-        $attendees = array();
-        if ($rec['organizer']) {
-            $attendees[] = array(
-                'role' => 'ORGANIZER',
-                'name' => $rec['organizer']['display-name'],
-                'email' => $rec['organizer']['smtp-address'],
-                'status' => 'ACCEPTED',
-            );
-            $_attendees .= $rec['organizer']['display-name'] . ' ' . $rec['organizer']['smtp-address'] . ' ';
-        }
-
-        foreach ((array)$rec['attendee'] as $attendee) {
-            $attendees[] = array(
-                'role' => $this->kolab2_rolemap[$attendee['role']],
-                'name' => $attendee['display-name'],
-                'email' => $attendee['smtp-address'],
-                'status' => $this->kolab2_statusmap[$attendee['status']],
-                'rsvp' => $attendee['request-response'],
-            );
-            $_attendees .= $rec['organizer']['display-name'] . ' ' . $rec['organizer']['smtp-address'] . ' ';
-        }
-
-        $this->data = array(
-            'uid' => $rec['uid'],
-            'title' => $rec['summary'],
-            'location' => $rec['location'],
-            'description' => $rec['body'],
-            'start' => new DateTime('@'.$rec['start-date']),
-            'end'   => new DateTime('@'.$rec['end-date']),
-            'allday' => $allday,
-            'recurrence' => $rrule,
-            'alarms' => $alarm_value . $alarm_unit,
-            'categories' => explode(',', $rec['categories']),
-            'attachments' => $attachments,
-            'attendees' => $attendees,
-            'free_busy' => $rec['show-time-as'],
-            'priority' => $rec['priority'],
-            'sensitivity' => $rec['sensitivity'],
-            'changed' => $rec['last-modification-date'],
-        );
-
-        // assign current timezone to event start/end
-        $this->data['start']->setTimezone(self::$timezone);
-        $this->data['end']->setTimezone(self::$timezone);
-    }
 }
diff --git a/plugins/libkolab/lib/kolab_format_file.php b/plugins/libkolab/lib/kolab_format_file.php
index 1560c46..b3ab158 100644
--- a/plugins/libkolab/lib/kolab_format_file.php
+++ b/plugins/libkolab/lib/kolab_format_file.php
@@ -99,19 +99,6 @@ class kolab_format_file extends kolab_format
     }
 
     /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-            'uid'     => $record['uid'],
-            'changed' => $record['last-modification-date'],
-        );
-
-        $this->data = $object;
-    }
-
-    /**
      * Convert the Configuration object into a hash array data structure
      *
      * @return array  Config object data as hash array
diff --git a/plugins/libkolab/lib/kolab_format_journal.php b/plugins/libkolab/lib/kolab_format_journal.php
index 9144ea2..daab1ac 100644
--- a/plugins/libkolab/lib/kolab_format_journal.php
+++ b/plugins/libkolab/lib/kolab_format_journal.php
@@ -64,21 +64,6 @@ class kolab_format_journal extends kolab_format
     }
 
     /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-            'uid'     => $record['uid'],
-            'changed' => $record['last-modification-date'],
-        );
-
-        // TODO: implement this
-
-        $this->data = $object;
-    }
-
-    /**
      * Convert the Configuration object into a hash array data structure
      *
      * @return array  Config object data as hash array
diff --git a/plugins/libkolab/lib/kolab_format_note.php b/plugins/libkolab/lib/kolab_format_note.php
index 48e963e..5af9343 100644
--- a/plugins/libkolab/lib/kolab_format_note.php
+++ b/plugins/libkolab/lib/kolab_format_note.php
@@ -64,20 +64,6 @@ class kolab_format_note extends kolab_format
     }
 
     /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-            'uid'     => $record['uid'],
-            'changed' => $record['last-modification-date'],
-        );
-
-
-        $this->data = $object;
-    }
-
-    /**
      * Convert the Configuration object into a hash array data structure
      *
      * @return array  Config object data as hash array
diff --git a/plugins/libkolab/lib/kolab_format_task.php b/plugins/libkolab/lib/kolab_format_task.php
index 0bfac3d..77870c7 100644
--- a/plugins/libkolab/lib/kolab_format_task.php
+++ b/plugins/libkolab/lib/kolab_format_task.php
@@ -102,21 +102,6 @@ class kolab_format_task extends kolab_format_xcal
     }
 
     /**
-     * Load data from old Kolab2 format
-     */
-    public function fromkolab2($record)
-    {
-        $object = array(
-            'uid'     => $record['uid'],
-            'changed' => $record['last-modification-date'],
-        );
-
-        // TODO: implement this
-
-        $this->data = $object;
-    }
-
-    /**
      * Callback for kolab_storage_cache to get object specific tags to cache
      *
      * @return array List of tags to save in cache


commit 4c44264940360247527280a8ba60e939977fc4ad
Author: Thomas Bruederli <bruederli at kolabsys.com>
Date:   Wed Nov 21 11:14:11 2012 +0100

    Added package.xml and LICENSE

diff --git a/plugins/libkolab/LICENSE b/plugins/libkolab/LICENSE
new file mode 100644
index 0000000..dba13ed
--- /dev/null
+++ b/plugins/libkolab/LICENSE
@@ -0,0 +1,661 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+  A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate.  Many developers of free software are heartened and
+encouraged by the resulting cooperation.  However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+  The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community.  It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server.  Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+  An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals.  This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
+this license.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU Affero General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
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+  7. Additional Terms.
+
+  "Additional permissions" are terms that supplement the terms of this
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+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law.  If additional permissions
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+
+  When you convey a copy of a covered work, you may at your option
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+  However, if you cease all violation of this License, then your
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+  Termination of your rights under this section does not terminate the
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+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
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+occurring solely as a consequence of using peer-to-peer transmission
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+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
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+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
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+available, or (2) arrange to deprive yourself of the benefit of the
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+
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+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
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+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
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+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Remote Network Interaction; Use with the GNU General Public License.
+
+  Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your version
+supports such interaction) an opportunity to receive the Corresponding
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+of the GNU General Public License that is incorporated pursuant to the
+following paragraph.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
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+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU Affero General Public License from time to time.  Such new versions
+will be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
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+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
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+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<http://www.gnu.org/licenses/>.
diff --git a/plugins/libkolab/libkolab.php b/plugins/libkolab/libkolab.php
index 887d308..2d03733 100644
--- a/plugins/libkolab/libkolab.php
+++ b/plugins/libkolab/libkolab.php
@@ -49,17 +49,6 @@ class libkolab extends rcube_plugin
             rcube::raise_error($e, true);
             kolab_format::$timezone = new DateTimeZone('GMT');
         }
-
-        // load (old) dependencies if available
-        if (@include_once('Horde/Util.php')) {
-            include_once 'Horde/Kolab/Format.php';
-            include_once 'Horde/Kolab/Format/XML.php';
-            include_once 'Horde/Kolab/Format/XML/contact.php';
-            include_once 'Horde/Kolab/Format/XML/event.php';
-            include_once 'Horde_Kolab_Format_XML_configuration.php';
-
-            String::setDefaultCharset('UTF-8');
-        }
     }
 
     /**
diff --git a/plugins/libkolab/package.xml b/plugins/libkolab/package.xml
new file mode 100644
index 0000000..69b2b6f
--- /dev/null
+++ b/plugins/libkolab/package.xml
@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<package xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" packagerversion="1.9.0" version="2.0" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0
+    http://pear.php.net/dtd/tasks-1.0.xsd
+    http://pear.php.net/dtd/package-2.0
+    http://pear.php.net/dtd/package-2.0.xsd">
+	<name>libkolab</name>
+	<uri>http://git.kolab.org/roundcubemail-plugins-kolab/</uri>
+	<summary>Kolab core library</summary>
+	<description>Plugin to setup a basic environment for the interaction with a Kolab server.</description>
+	<lead>
+		<name>Thomas Bruederli</name>
+		<user>bruederli</user>
+		<email>bruederli at kolabsys.com</email>
+		<active>yes</active>
+	</lead>
+	<developer>
+		<name>Alensader Machniak</name>
+		<user>machniak</user>
+		<email>machniak at kolabsys.com</email>
+		<active>yes</active>
+	</developer>
+	<date>2012-11-21</date>
+	<version>
+		<release>0.9-beta</release>
+		<api>0.9-beta</api>
+	</version>
+	<stability>
+		<release>stable</release>
+		<api>stable</api>
+	</stability>
+	<license uri="http://www.gnu.org/licenses/agpl.html">GNU AGPLv3</license>
+	<notes>-</notes>
+	<contents>
+		<dir baseinstalldir="/" name="/">
+			<file name="libkolab.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_configuration.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_contact.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_distributionlist.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_event.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_file.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_journal.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_note.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_task.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_format_xcal.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_storage.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_storage_cache.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_storage_folder.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+			<file name="lib/kolab_date_recurrence.php" role="php">
+				<tasks:replace from="@package_version@" to="version" type="package-info"/>
+			</file>
+
+			<file name="bin/modcache.php" role="php"></file>
+
+			<file name="config.inc.php.dist" role="data"></file>
+			<file name="LICENSE" role="data"></file>
+			<file name="README" role="data"></file>
+		</dir>
+		<!-- / -->
+	</contents>
+	<dependencies>
+		<required>
+			<php>
+				<min>5.3.1</min>
+			</php>
+			<pearinstaller>
+				<min>1.7.0</min>
+			</pearinstaller>
+		</required>
+	</dependencies>
+	<phprelease/>
+</package>





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