use .. for link to return to parent directory

diff --git a/plack/lib/Plack/App/BookReader.pm b/plack/lib/Plack/App/BookReader.pm
index 07045c5..023cbb7 100644 (file)
--- a/plack/lib/Plack/App/BookReader.pm
+++ b/plack/lib/Plack/App/BookReader.pm
@@ -320,7 +320,7 @@ sub serve_path {
                        warn "# created $pages_path ", -s $pages_path, " bytes\n";
                }
                warn "# pages = ",dump($pages);
-               $page = sprintf $reader_page, $dir, encode_json( $pages ), $dir, $dir;
+               $page = sprintf $reader_page, $dir, encode_json( $pages ), $dir, '..';
 
        } else {