[Koha] Printing overdue letters

[Mark Alexander]

Excerpts from SATISH's message of 2020-01-06 17:34:26 +0530:
> To overcome this problem, I have complied separate Library Dues Management
> System using PHP and MySQL.

Interesting.  I was thinking of doing something along these lines using
a Koha plugin.  I find plugins really difficult to debug (based on my
experience with writing a couple of simple ones), but it might be a little
easier for the staff at our little library to deal with.