+ template#set "prev_yyyy" (string_of_int prev_yyyy);
+ template#set "prev_mm" (sprintf "%02d" prev_mm);
+ template#set "prev_dd" (sprintf "%02d" prev_dd);
+ template#set "next_yyyy" (string_of_int next_yyyy);
+ template#set "next_mm" (sprintf "%02d" next_mm);
+ template#set "next_dd" (sprintf "%02d" next_dd);