the calendar directive is well usable without ikiwiki-calendar (eg for articles about meetings), but in such situations, it might be useful to have page creating links at the days.

a patch to address this wishlist item is attached.

from the new documentation (also in the patch):

• newpageformat - In month mode, if no articles match the query, the value of newpageformat will be used to strformat the date in question. A good value is newpageformat="meetings/%Y-%m-%d". It might be a good idea to have [[!meta date="<TMPL_VAR name>"]] in the edittemplate of meetings/*