oneCette forme plurielle est utilisée pour les nombres comme : 1
Every %1$d week, on %2$s
otherCette forme plurielle est utilisée pour les nombres comme : everything else
Every %1$d weeks, on %2$s
repeat_info_every_n_weeks
Every %1$d week, on %2$s
Every %1$d weeks, on %2$s
Every %1$d week, on %2$s
Every %1$d weeks, on %2$s
%1$d - number, %1$d may be skipped for singular if translation looks better.
%2$s - name of week day