-if (spam_bar) fprintf(fp,"-spam_bar %s\n", spam_bar);
-if (spam_score) fprintf(fp,"-spam_score %s\n", spam_score);
-if (spam_score_int) fprintf(fp,"-spam_score_int %s\n", spam_score_int);
+if (spam_bar) spool_var_write(fp, US"spam_bar", spam_bar);
+if (spam_score) spool_var_write(fp, US"spam_score", spam_score);
+if (spam_score_int) spool_var_write(fp, US"spam_score_int", spam_score_int);