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diff --git a/doc/repeat.txt b/doc/repeat.txt index 16a71da..7b8679b 100644 --- a/doc/repeat.txt +++ b/doc/repeat.txt @@ -4,32 +4,144 @@ Repeat Repeat an event or an appointment. You must first select the item to be repeated by moving inside the appointment -panel. Then running the repeat command will lead you to a set of three -questions, with which you will be able to specify the repetition -characteristics: - - o type: you can choose between a daily, weekly, monthly or - yearly repetition by pressing 'D', 'W', 'M' or 'Y' - respectively. - - o frequency: this indicates how often the item shall be repeated. - For example, if you want to remember an anniversary, - choose a 'yearly' repetition with a frequency of '1', - which means it must be repeated every year. Another - example: if you go to the restaurant every two days, - choose a 'daily' repetition with a frequency of '2'. - - o ending date: this specifies when to stop repeating the selected - event or appointment. To indicate an endless - repetition, enter '0' and the item will be repeated - forever. - -Notes ------ - -* Repeated items are marked with an '*' inside the appointment panel, to be - easily recognizable from non-repeated ones. - -* The 'Repeat' and 'Delete' command can be mixed to create complicated - configurations, as it is possible to delete only one occurrence of a repeated - item. +panel. Then invoke the repeat command, and you will be asked you to select a +simple or advanced repetition. A simple repetition will lead you to a set of +three questions with which you specify the basic repetition characteristics: + + o type: choose between a daily, weekly, monthly or yearly base period + + o frequency: choose the interval between base periods. '1' means every day + (week, month or year), '2' means every other day (week, ...). + For example, if you want to remember an anniversary, choose a + yearly type with a frequency of 1, which means it will be + repeated every year. Another example: if you go to a restaurant + every second day, choose a daily type with a frequency of 2. + + o until date: specifies a day after which the repetitions do not occur. To + indicate an endless repetition, enter 0 (zero) or RETURN, and + the item will be repeated forever. + +For an advanced repetition you may, in addition to the basic characteristics, +specify three lists of either days of the week, months of the year or days of +the month. The three lists modify the simple repetition in some way by either +limiting or expanding the basic pattern. + + o Weekdays: abbriviated names of days of the week (as they appear above + the calendar). For monthly or yearly repetitions the name may + have a numerical prefix (1, 2, ... or -1, -2, ...) to specify + a particular weekday of the month or year, counted from either + the start or the end of the month or year. + + o Months: the numerical name of a month (1, 2,..., 12). + + o Monthdays: the numerical name of a day of the month (1, 2,..., 31) or the + opposites (-1, -2,..., -31) which count from the end of the + month. + +For each list you may enter one or several values separated by spaces. The +prompt for the list gives a hint as to the format. If you enter '?' only, you +get very terse, context dependent information as to the effect on the +repetition. Note that both format and effect depend on the basic type. The +combined effect on the basic type of the listed days and months is derived +from the iCalendar specification (RFC5545). + +Briefly, a weekday or monthday limits the repetitions of type daily, but +expands those of type weekly, monthly and yearly. For example, with 'Weekdays' +set to 'Sat Sun' a daily type (with frequency one) is only repeated on +Saturdays and Sundays (two instead of seven repetitions per week), while a +weekly type is also repeated on the extra day (two instead of one repetition +per week). + +Similarly, a month limits the repetitions of type daily, weekly and monthly, +but expands those of type yearly. For example, with 'Months' set to '3 10', a +weekly type is only repeated in March and October, while a yearly type is also +repeated in the extra month (two instead of one yearly repetition). + +Mnemonic. If the list type (day or month) is shorter than the basic type (day, +week, month, year), it expands the repetitions of the basic type, if not, it +limits them. + +There are a some important exceptions, though, for 'Weekdays': + + o For a monthly type, the expanded repetitions are special: a weekday with a + prefix expands to that particular weekday of the month ('3Mon' = third + Monday), while a weekday without prefix expands to all weekdays of the + month ('Wed' = all Wednesdays). Furthermore, repetitions are limited if + 'Monthdays' is also set (for example, if 'Weekdays' is set to 'Fri' with + 'Monthdays' set to '13', the monthly repetition occurs only on Friday 13th). + + o For a yearly type, the expanded repetitions are special and depend also on + the setting of 'Months'. A weekday with a prefix expands to that particular + weekday of the year ('-1Sun' = last Sunday of the year), or, if 'Months' is + also set, to that weekday of the listed months. A weekday without prefix + expands to all weekdays ('Thu' = all Thurdays in either the year or listed + months). Furthermore, repetitions are limited if 'Monthdays' is also set + as for monthly type. + +When you are finished setting up the repeating item, you may test it +interactively with the 'next' command, a subcommand of the generic command +(default ': n'). Invoked with a repeating item selected in the appointments +panel, it will go to the next repetition. By doing this repeatedly, you may +step through the repetitions one by one. + +If you edit an item that is already repeating, you will be led through all six +characteristics and can modify any of them. + +Here are some typical examples. It is assumed that you have invoked the repeat +command on what will become the first repetition and have selected an advanced +repetition, that your date input format is dd/mm/yyyy, and that your language +is english. + + o an event that occurs every Tuesday and Thursday forever + type: weekly + frequency: 1 + until: 0 + weekdays: Tue Thu + months: (empty) + monthdays: (not possible) + + o an event that occurs on workdays except in July forever (holidays are not + taken into account) + type: daily + frequency: 1 + until: 0 + weekdays: Mon Tue Wed Thu Fri + months: 1 2 3 4 5 6 8 9 10 11 12 + monthdays: (empty) + + o an appointment that occurs on the first and last Monday of the month forever + type: monthly + frequency: 1 + until: 0 + weekdays: 1Mon -1Mon + months: (empty) + monthdays: (empty) + + o an appointment that occurs on all Wednesdays in June and July until the + end of June 2022 + type: monthly + frequency: 1 + until: 30/6/2022 + weekdays: Wed + months: 6 7 + monthdays: (empty) + + o an event that occurs when Daylight Saving Time begins in the EU (last + Sunday in March) + type: yearly + frequency: 1 + until: 0 + weekdays: -1Sun + months: 3 + monthdays: (empty) + + o an event that occurs on the penultimate day of February forever + type: monthly + frequency: 1 + until: 0 + weekdays: (empty) + months: 2 + monthdays: -2 + +For an example that is not possible to specify consider an event that occurs +on the last workday of each month. |