--- trunk/lib/Frey/SVK.pm	2008/11/28 16:39:37	591
+++ trunk/lib/Frey/SVK.pm	2008/11/28 16:53:12	594
@@ -92,7 +92,10 @@
 		$self->TODO( "Frey::Web role missing" );
 	}
 
-	my $html = $self->status_as_markup . $self->diff_as_markup;
+	my $html
+		= ( $self->status_as_markup || $self->error('no status_or_markup output') )
+		. ( $self->diff_as_markup   || $self->error('no diff_as_markup output') )
+		;
 	warn "as_markup ",length($html)," bytes";
 
 	return $html;