--- trunk/lib/Biblio/Isis.pm	2006/07/07 23:45:12	54
+++ trunk/lib/Biblio/Isis.pm	2006/07/08 16:03:52	56
@@ -491,12 +491,26 @@
 
 This method will also create additional field C<000> with MFN.
 
+There is also more elaborative way to call C<to_hash> like this:
+
+  my $hash = $isis->to_hash({
+  	mfn => 42,
+	include_empty_subfields => 1,
+  });
+
 =cut
 
 sub to_hash {
 	my $self = shift;
 
+
 	my $mfn = shift || confess "need mfn!";
+	my $arg;
+
+	if (ref($mfn) eq 'HASH') {
+		$arg = $mfn;
+		$mfn = $arg->{mfn} || confess "need mfn in arguments";
+	}
 
 	# init record to include MFN as field 000
 	my $rec = { '000' => [ $mfn ] };
@@ -662,7 +676,8 @@
 
 =item 0.20
 
-Added C<< $isis->mfn >> and support for repeatable subfields
+Added C<< $isis->mfn >>, support for repeatable subfields and
+C<< $isis->to_hash({ mfn => 42, ... }) >> calling convention
 
 =back