--- trunk2/lib/WebPAC/Tree.pm	2004/09/24 20:31:11	470
+++ trunk2/lib/WebPAC/Tree.pm	2004/09/26 15:11:36	471
@@ -158,6 +158,8 @@
 
 	my $html = $self->unroll(0,());
 
+	$log->logdie("no html generated by unroll...") unless ($html);
+
 	my $html_file = $self->{'dir'}.'/'.$self->{'html'};
 
 	open(TEMPLATE, $self->{'template'}) || $log->logdie("can't open '",$self->{'template'},": $!");
@@ -227,10 +229,10 @@
 			my $v900 = $tree->[$level]->{'lookup_v900'}->($code) || $log->warn("can't lookup_v900($code)") && return;
 			$log->debug("# $level lookup_v900($code) = $v900");
 
-			my $term = $tree->[$level]->{'lookup_term'}->($code,$v900) || $log->warn("can't lookup_term($code,$v900)") && return;
+			my $term = $tree->[$level]->{'lookup_term'}->($code,$v900) || $log->warn("can't lookup_term($code,$v900)") && next;
 			$log->debug("# $level lookup_term($code,$v900) = $term");
 
-			my $mfn  = $tree->[$level]->{'lookup_mfn'}->($code,$v900)  || $log->warn("can't lookup_mfn($code,$v900)") && return;
+			my $mfn  = $tree->[$level]->{'lookup_mfn'}->($code,$v900)  || $log->warn("can't lookup_mfn($code,$v900)") && next;
 			$log->debug("# $level lookup_mfn($code,$v900) = $mfn");
 
 			$log->debug("$code -> $v900 : $term [$mfn]");