previously, it wasn't possible to insert anything into the <head> on
an individual template unless it was the title of the page. Now, the
structure is a bit more flexible to allow additional head elements to
be included.
allow to get a list of letters for a module.
overduerules is a tool relying on letter.pl
It will allow ppl to manage three levels of overdue thanks to a brand new overduenotice script to come out soon.
