vTodo.OptionalUnique
struct vTodo
enum OptionalUnique =
["CLASS", "COMPLETED", "CREATED", "DESCRIPTION", "DTSTAMP", "DTSTART", "GEO", "LAST-MOD", "LOCATION", "ORGANIZER", "PERCENT", "PRIORITY", "RECURID", "SEQ", "STATUS", "SUMMARY", "UID", "URL"];
vibedav icalendar vTodo
functionsmanifest constantsmixinsvariables
the following are optional, but MUST NOT occur more than once