Hi koha-devel, I don't know if you 've noticed this great feature embedded in HTML::Template::Pro. HTML::Template::Pro is written from HTML::Template AND HTML::Template::Expr ( http://search.cpan.org/~samtregar/HTML-Template-Expr-0.07/Expr.pm ). So all the features from HTML::TEMPLATE::Expr are enabled for us. Briefly, this module allows expressions in the template syntax. Expressions includes comparisons, math operations, string operations and others... Enjoy ! -- Antoine Farnault