--- trunk/filter/isn_swish.pm	2003/02/22 23:49:22	20
+++ trunk/filter/isn_swish.pm	2003/02/23 07:02:55	26
@@ -2,7 +2,7 @@
 
 # example filter to convert ISBN and ISSN to hyphen and non-hyphen version
 
-sub filter {
+sub isn_swish {
 	my @out;
 	foreach my $nr1 (@_) {
 		push @out,$nr1;	# save original