$Log$
+Revision 400.90 2003/02/19 03:49:17 ajc
+* latest config.guess and config.sub from www.gnu.org
+
+Revision 400.89 2003/02/07 04:44:17 ajc
+* Replaced sleep() with a function that sleeps using select() in order to
+ avoid potential issues with SIGALRM. Possible fix for weird behavior
+ when running on a Macintosh.
+
+Revision 400.88 2003/01/29 22:32:07 ajc
+* Shuffled some code and comments around; minor cleanup
+
+Revision 400.87 2003/01/28 15:37:12 ajc
+* All functions which read binary data from the server now make use of the
+ read_server_binary() function in tools.c
+* Binary reads from server now have safety code to prevent infinite loops
+* All output of MIME objects is now done with http_transmit_thing()
+
+Revision 400.86 2003/01/19 06:28:04 ajc
+* Minimum required Citadel version 6.05
+
+Revision 400.85 2003/01/16 04:41:26 ajc
+* When displaying edit controls for time of day in the calendar, only show
+ minutes that are multiples of 5 ... unless the existing value is not a
+ multiple of 5, in which case we show that too.
+
+Revision 400.84 2003/01/15 17:34:04 ajc
+* event.c: fixed a misspelling
+* config.guess, config.sub: updated using latest from ftp.gnu.org
+
+Revision 400.83 2003/01/14 04:21:27 ajc
+* Only offer views which make sense for the default view of a room
+
+Revision 400.82 2003/01/13 03:34:33 ajc
+* Get ready for the 4.10 release
+
+Revision 400.81 2003/01/12 23:22:53 ajc
+* configure.in: check for libical v0.24 or newer
+
+Revision 400.80 2003/01/07 04:56:17 ajc
+* Complete the free/busy transparency handling in the form
+* Default times for new events are now in the correct timezone
+
+Revision 400.79 2003/01/06 18:01:35 ajc
+* Begin handling of TRANSP property to show event times as free or
+ busy (not finished).
+
+Revision 400.78 2003/01/05 21:02:14 ajc
+* Summary page: three columns are now all the same width
+
+Revision 400.77 2003/01/05 20:56:05 ajc
+* minor fix for previous checkin
+
+Revision 400.76 2003/01/05 20:51:01 ajc
+* Display PARTSTAT for attendees
+
+Revision 400.75 2003/01/05 05:01:00 ajc
+* Add "today's calendar events" to the summary page.
+
+Revision 400.74 2003/01/05 04:27:28 ajc
+* Add "Tasks" to the summary page
+
+Revision 400.73 2002/12/28 05:44:09 ajc
+* ical_dezonify.c: brought over new version from the Citadel source (again)
+
+Revision 400.72 2002/12/28 05:12:45 ajc
+* ical_dezonify.c: brought over new version from the Citadel source.
+
+Revision 400.71 2002/12/26 04:04:48 ajc
+* Perform CHEK command when automatically establishing sessions, not just
+ when one is explicitly created. Some stuff is missing otherwise.
+
+Revision 400.70 2002/12/25 23:18:06 ajc
+* Be more strategic about when to call ical_dezonify()
+ (This may be the last set of fixes. I hope so.)
+
+Revision 400.69 2002/12/25 21:39:38 ajc
+* ical_dezonify.c: added.
+* calendar.c: convert incoming ical messages to UTC
+ (the usual routines will then convert them to local time for display)
+
+Revision 400.68 2002/12/25 07:06:00 ajc
+* Tweaked the code to work with libical 0.24
+
+Revision 400.67 2002/12/20 04:50:00 ajc
+* When saving a calendar event, increment the SEQUENCE property.
+
+Revision 400.66 2002/12/18 05:03:39 ajc
+* In the calendar code, changed all "struct tm *" to "struct tm" and changed
+ all "tm = localtime(foo)" to "memcpy(&tm, localtime(foo), sizeof(struct tm))"
+ Because the libc-allocated buffer was getting clobbered.
+* This fixes the problem fleeb reported with Feb 1 events making it go nuts.
+
+Revision 400.65 2002/12/17 05:01:39 ajc
+* Prettied up the calendar day view layout
+* Hour/minute editing fields now use am/pm hours and 2-digit minutes
+
+Revision 400.64 2002/12/16 04:43:30 ajc
+* Correctly handle local time zone when figuring out which day and time to
+ display events on calendar month/day views. This also seems to have
+ fixed the bug that was causing events to sometimes get lost when saved.
+
+Revision 400.63 2002/12/15 05:50:59 ajc
+* Form editing of date/time fields now assumes that the icaltimetype being
+ manipulated is in UTC. It converts to/from local time for editing.
+
+Revision 400.62 2002/12/10 23:25:47 ajc
+* Display attendees in message view of calendar objects
+
+Revision 400.61 2002/12/07 22:12:59 ajc
+* Handle incoming RSVP's for meetings. (Note: this will not actually work
+ until I implement the Citadel server function which it calls.)
+
+Revision 400.60 2002/11/30 21:34:51 ajc
+* Submit organizer in a hidden field, in case the server needs it
+
+Revision 400.59 2002/11/30 04:46:46 ajc
+* First cut at adding/removing attendees to an event
+ (Actual invitations should be sent by the Citadel server)
+
+Revision 400.58 2002/11/29 23:56:19 ajc
+* Completed "me as organizer" -- the user's own e-mail address is inserted
+ as the organizer of new events. Detect when the user is the organizer and
+ enable/disable the attendees box accordingly.
+
+Revision 400.57 2002/11/29 16:38:37 ajc
+* Started some "me as organizer" stuff. (BROKEN BUILD ... I'll fix soon.)
+
+Revision 400.56 2002/11/28 06:03:24 ajc
+* Issue an ISME command when editing an event, to determine whether the user
+ viewing the event is the organizer. (Will use this later to allow/disallow
+ sending out invitations.)
+
+Revision 400.55 2002/11/26 05:01:04 ajc
+* Began handling attendee fields
+
+Revision 400.54 2002/11/16 23:40:11 ajc
+* Calendar view
+
+Revision 400.53 2002/11/16 23:15:02 ajc
+* Make the "all day event" shadebox smaller (month view) - no border.
+* Fixed bug that caused any events following an all day event to also appear
+ with the shadebox.
+
+Revision 400.52 2002/11/16 05:40:54 ajc
+* When adding new events to the calendar, default to the month [and day]
+ currently being viewed.
+* Hotlink each hour of the day view to an add-new-event for that day/hour.
+
+Revision 400.51 2002/11/15 05:05:47 ajc
+* Put in back/forward (yesterday/tomorrow) links in calendar day view
+
+Revision 400.50 2002/11/15 04:11:46 ajc
+* Added even more nifty JavaScript to cause the hour/minute and end date
+ fields of a calendar event form to render as disabled when the "all day
+ event" box is checked -- not just when the user checks the box, but also
+ when the box begins its life already checked.
+
+Revision 400.49 2002/11/14 04:59:40 ajc
+* Correctly serialize and save all day events using date instead of date/time
+
+Revision 400.48 2002/11/13 04:49:23 ajc
+* "All day event" shows as a single checkbox, instead of one for the start
+ time and one for the end time. Added nifty JavaScript to zero and shade
+ the hour/minute and all end time fields when all-day-event is checked.
+
+Revision 400.47 2002/11/12 05:57:27 ajc
+* Display a nicer looking screen when replying to calendar invitations
+* When displaying day view, don't show all day events twice
+* Day or month view: denote all day events by displaying them inside
+ a grey box.
+
+Revision 400.46 2002/11/12 03:26:39 ajc
+* Tell the user about broken Citadel server connections instead of
+ simply printing "Goodbye"
+
+Revision 400.45 2002/10/23 04:11:38 ajc
+* Detect when a meeting invitation is actually an update for an existing UID
+ and tell the user so.
+
+Revision 400.44 2002/10/21 20:16:38 ajc
+* Display conflicts nicely
+
+Revision 400.43 2002/10/21 18:29:14 ajc
+* Ask server to hunt for conflicts when displaying a meeting invitation
+
+Revision 400.42 2002/10/19 21:28:32 ajc
+* Moved the calendar meeting request reply functionality to the Citadel server
+
+Revision 400.41 2002/10/19 17:10:14 ajc
+* Add "Tentative" accept button
+* Only display Accept/Tentative/Decline button when method=REQUEST
+
+Revision 400.40 2002/10/19 04:16:37 ajc
+* Save an incoming meeting request into the user's calendar.
+
+Revision 400.39 2002/10/18 20:55:05 ajc
+* Began work on meeting request accept/decline
+
+Revision 400.38 2002/10/16 19:16:39 ajc
+* Fixes and updates to build WebCit on Linux for IBM S/390
+
+Revision 400.37 2002/10/09 04:12:44 ajc
+* Templatized trailing HTML
+* Templatized "new start page" page
+* Added global substitution macros
+
+Revision 400.36 2002/10/09 03:51:01 ajc
+* Templatized the <HEAD> section of HTML
+
+Revision 400.35 2002/10/07 23:03:38 ajc
+* messages.c: don't display room name field when it's blank
+
+Revision 400.34 2002/10/07 04:10:37 ajc
+* When displaying meeting invitations, only show date/time for VEVENT
+ subcomponents. Date/time for other subcomponents are irrelevant.
+* Cleaned up HTML display of meeting invitations.
+
+Revision 400.33 2002/10/03 03:40:31 ajc
+* Worked on meeting accept/decline a little bit
+
+Revision 400.32 2002/09/30 03:58:35 ajc
+* Dabbled in handling incoming meeting requests
+
+Revision 400.31 2002/09/29 20:15:43 ajc
+* Completed the calendar day view
+
+Revision 400.30 2002/09/28 04:01:30 ajc
+* started fleshing out the calendar day view
+
+Revision 400.29 2002/09/27 21:19:28 ajc
+* Add new event
+
+Revision 400.28 2002/09/27 18:31:33 ajc
+* Properly handle VEVENT saves (fixed nasty loopy loopy bug)
+* After saving a VEVENT, return to the correct calendar view and date
+
+Revision 400.27 2002/09/27 17:15:44 ajc
+* Removed the gzip compression stuff due to bugs in Internet Explorer.
+
+Revision 400.26 2002/09/27 04:37:21 ajc
+* New, buggy versions of event editing screens
+
+Revision 400.25 2002/09/26 22:00:16 ajc
+* Fixed buggy month-selection algorithm (January is month 0 in 'struct tm' but
+ month 1 in libical functions)
+
+Revision 400.24 2002/09/25 21:57:13 ajc
+* Keep track of msgnums in the two-pass calendar loop, so we can hotlink to
+ individual items
+
+Revision 400.23 2002/09/24 04:12:34 ajc
+* Rough cut of the two-pass calendar display routines (first pass: go thru
+ messages gathering VEVENT items; second pass: render calendar with data)
+
+Revision 400.22 2002/09/23 04:01:33 ajc
+* Presentation changes to calendar month view
+
+Revision 400.21 2002/09/22 05:20:27 ajc
+* Began implementing month view
+
+Revision 400.20 2002/09/21 04:38:05 ajc
+* Added utility functions for displaying vcalendar timestamps in web forms
+ and translating form data back to timestamps.
+* Completed the "edit task" and "add new task" screens.
+
+Revision 400.19 2002/09/20 20:28:08 ajc
+* Smooth transition between "list tasks" & "edit task" screens
+
+Revision 400.18 2002/09/20 03:54:44 ajc
+* Display the "Tasks" view as a bulleted list with each task clickable
+* Clicking brings up an (unfinished) "edit task" screen
+
+Revision 400.17 2002/09/18 21:44:02 ajc
+* display VTODO parameters
+
+Revision 400.16 2002/09/17 04:21:00 ajc
+* Handler chains for VCALENDAR and VTODO types
+
+Revision 400.15 2002/09/17 03:37:10 ajc
+* Implemented a 'display handler' infrastructure for various groupware types
+
+Revision 400.14 2002/09/16 03:35:12 ajc
+* Just a bunch of glue code to iterate through the various types of ical
+ objects we could encounter
+
+Revision 400.13 2002/09/15 04:05:41 ajc
+* Process calendar object subcomponents
+
+Revision 400.12 2002/09/15 03:40:13 ajc
+* calendar.c: added
+* When a text/calendar MIME type is discovered in a message, send it to
+ the (currently skeleton) parser in calendar.c
+* calendar.c: skeleton parser for calendar objects which currently just
+ creates an icalcomponent object and frees it.
+
+Revision 400.11 2002/09/15 03:16:24 ajc
+* Changed decode_base64() to CtdlDecodeBase64() to avoid conflict with
+ function namespace in libical
+
Revision 400.10 2002/09/15 02:50:55 ajc
* Duh. I don't need to twiddle CFLAGS when autoconf provides -DHAVE_ZLIB_H
1998-12-03 Nathan Bryant <bryant@cs.usm.maine.edu>
* webserver.c: warning fix
+