[%# First line will be summary, second line will be description. Avoid indenting. Var newline added to avoid translating problems. -%]
[%- newline="\n" -%]
[%- IF overdue == 1 -%]
[% title %] is overdue
[%- newline -%]Your copy of [% title %] (barcode [% barcode %]) is overdue
[%- ELSE -%]
[% title %] is due
[%- newline -%]Your copy of [% title %] (barcode [% barcode %]) is due back at the library today
[%- END -%]