- fprintf(f,"From: %s\n",from.length==-1 ? expand_string("$local_part_prefix$local_part$local_part_suffix@$domain") : from.character);
+ fprintf(f,"From: %s\n",from.length==-1 ? expand_string(US"$local_part_prefix$local_part$local_part_suffix@$domain") : from.character);