--- sequencer-4-old	Thu Jul 29 23:24:45 1999
+++ sequencer	Sun Apr  1 15:01:01 2001
@@ -359,7 +359,8 @@
 }
 
 close(OUT);
-
+if ( ! defined($from) ) {
+    &bounce ("From not defined");}
 if ( defined($opt_I) && defined($from) && ! defined($approved) ) {
     local($infile) = 0;