fixed a bug in recur_write_exc() which could result in an infinite loop when saving multiple days recur_repeat_iem() updated to check if the frequence is valid
fixed a bug in recur_write_exc() which could result in an infinite loop when saving multiple days
recur_repeat_iem() updated to check if the frequence is valid

dunecn/calcurse,lfos/calcurse,lfos/calcurse,lfos/calcurse,dunecn/calcurse