+The [[ikiwiki-calendar]] command is used to force generating year and month
+pages from templates (overriding the existing ones).
+
+## Setup options
+
+* `archivebase` - Default value for [[ikiwiki/directive/calendar]] directive
+ option of the same name.
+* `archive_pagespec` - [[ikiwiki/PageSpec]] of pages to include in the
+ archives, if option `calendar_autocreate` is on. It defaults to `*`.
+* `calendar_autocreate` - Control whether new archive pages are created as
+ needed. It defaults to being done only if (at least) one of options
+ `archivebase` and `calendar_autocreate_commit` are set.
+* `calendar_autocreate_commit` - If set, causes new archive pages to be
+ checked into version control. Defaults to 1.