Bug fixes

Version 5.2-rc2
===============

New Features

- #272551 Add option to expand or collapse repeating date options.
- #261610 Add option for the date theme to display only a single date if $node->date_id is set.
- #187599 Backport content_generate so Devel module can create data for CCK fields when creating nodes.
- #233415 separate ical retrieval and parser so other modules like feedapi can use the parser alone.
- Update date copy to convert either version 1 or version 2 Event nodes.
- Trigger js timezone detection on user edit form and registration form.

Timezone handling

- Fix inconsistencies in handling of 'none' and 'user' timezones in Date and Calendar.
- Add static variable to PHP4 timezone offset handling to reduce number of database queries.
- #270316 Fix postgres timezone adjustment.
- #279051 Fix postgres timezone test.
- Centralize method of setting timezone adjustments for filters and arguments.
- Fix PHP4 handler for date_timezone_set() which was incorrectly altering the timestamp value.
- #269834 Add timezone adjustment to PHP4 date_format() wrapper.
- Rework PHP4 date handling to avoid any use of date() or mktime(), which may inject an incorrect timezone offset.
- Get rid of the adodb method of computing the gmt offset for PHP4 and use the date_offset_get() computation.
- Fix use of wrong value for timezone in repeating dates.

Bugs fixed:
* #280352 and #279231: glob() sometimes return FALSE, a value which cannot be merged with an array using array_merge()

#157196: Duplicate URL checking Patch by NancyDru.
Other code cleanup and fix.

Changes since DRUPAL-5--1-3:

Improved block name display
Improved array handling

Backport several new features and bug fixes.