Changes after AD evaluation.

Author: douglm

sources/draft-ietf-calext-ical-tasks.adoc

@@ -1,14 +1,14 @@
 = Task Extensions to iCalendar
 :doctype: internet-draft
-:docnumber: draft-ietf-calext-ical-tasks-11
+:docnumber: draft-ietf-calext-ical-tasks-12
 :status: standard
 :ipr: trust200902
 :consensus: true
 :updates: RFC5545
 :submission-type: IETF
 :area: Internet
 :intended-series: full-standard
-:revdate: 2024-12-01
+:revdate: 2025-02-24
 :fullname: Adrian Apthorp
 :lastname: Apthorp
 :forename_initials: A.

sources/sections/09-deadlines.adoc

@@ -22,7 +22,7 @@ visualize when tasks should be performed and allocate
 time to them.
 
 === Milestones
-A task that has intermediary deadlines (i.e., milestones) SHOULD be
+A task that has intermediary deadlines (i.e., milestones) MUST be
 expressed by child "VTODO" calendar components (i.e., sub-tasks
 associated with each of the milestones) in conjunction with the
 "RELATED-TO" property to relate the parent and child tasks.

sources/sections/51-new-parameter-values.adoc

@@ -10,11 +10,30 @@ Participant status parameter type values are defined in
 <<RFC5545,section=3.2.12>>.  This specification redefines that type
 to include the new value FAILED for "VTODO" calendar components.
 
-Format Definition:: This property parameter is extended by the following notation:
+Format Definition:: This property parameter is redefined by the
+following notation which adds the value "FAILED":
 
 [source,bnf]
 ----
-partstat-todo    =/ *("FAILED")  ; To-do cannot be completed
+       partstat-todo    = ("NEEDS-ACTION"    ; To-do needs action
+                        / "ACCEPTED"         ; To-do accepted
+                        / "DECLINED"         ; To-do declined
+                        / "TENTATIVE"        ; To-do tentatively
+                                             ; accepted
+                        / "DELEGATED"        ; To-do delegated
+                        / "COMPLETED"        ; To-do completed
+                                             ; COMPLETED property has
+                                             ; DATE-TIME completed
+                        / "IN-PROCESS"       ; To-do in process of
+                                             ; being completed
+                        / "FAILED"           ; To-do cannot be
+                                             ; completed
+                        / x-name             ; Experimental status
+                        / iana-token)        ; Other IANA-registered
+                                             ; status
+       ; These are the participation statuses for a "VTODO".
+       ; Default is NEEDS-ACTION.
+
 ----
 
 Example::

sources/sections/52-new-properties.adoc

@@ -28,7 +28,7 @@ durparam      = *(";" other-param)
 Description:: In a "VTODO" calendar component the property MAY be
 used to specify the estimated duration for the to-do, with or without
 an explicit time window in which the event should be started and completed.
-When present, "DTSTART" and "DUE"/"DURATION" properties represent the
+When present, "DTSTART" and "DUE" or "DTSTART" and "DURATION" properties represent the
 window in which the task can be performed. The "ESTIMATED-DURATION" property
 SHOULD be passed from the organizer to the "Attendee" in iTIP <<RFC5546>> messages.
 

sources/sections/53-property-extensions.adoc

@@ -56,15 +56,19 @@ specification extends that property to include new values
 associated with "VTODO" calendar components (See Appendix A for
 examples of the task state lifecycle).
 
-Format Definition:: The "STATUS" property parameter list is augmented
-as follows:
+Format Definition:: The "STATUS" property parameter list for tasks
+is redefined by the addition of the values "PENDING" and "FAILED":
 
 [source,bnf]
 ----
-statvalue-todo = / "PENDING"    ;Indicates a to-do has been
-                                ;created and accepted, but has
-                                ; not yet started.
-                / "FAILED"      ;Indicates to-do has failed.
+statvalue-todo  = "NEEDS-ACTION" ;Indicates to-do needs action.
+                / "COMPLETED"    ;Indicates to-do completed.
+                / "IN-PROCESS"   ;Indicates to-do in process of.
+                / "CANCELLED"    ;Indicates to-do was cancelled.
+                / "PENDING"      ;Indicates a to-do has been
+                                 ;created and accepted, but has
+                                 ; not yet started.
+                / "FAILED"       ;Indicates to-do has failed.
 ;Extended status values for "VTODO" calendar component.
 ----
 

sources/sections/60-caldav.adoc

@@ -9,7 +9,7 @@ In order for a CalDAV client to know what task modes are available, a CalDAV ser
 
 Clients MUST NOT attempt to store iCalendar data containing "TASK-MODE" elements if the CALDAV:supported-task-mode-set WebDAV property is not advertised by the server.
 
-The server SHOULD return an HTTP 403 response with a DAV:error element containing a CALDAV:supported-task-mode XML element, if a client attempts to store iCalendar data with an "TASK-MODE" element value not supported by the server.
+The server MUST return an HTTP 403 response with a DAV:error element containing a CALDAV:supported-task-mode XML element, if a client attempts to store iCalendar data with an "TASK-MODE" element value not supported by the server.
 
 It is possible for a "TASK-MODE" value to be present in calendar data on the server being accessed by a client that does not support the "TASK-MODE" property. It is expected that existing clients, unaware of "TASK-MODE", will fail gracefully by ignoring the calendar property.