protected void navLinkNext() {
        if (next == null) {
            printText("doclet.Next_Package");
        } else {
            String path = DirectoryManager.getRelativePath(packageDoc.name(),
                                                           next.name());
            printHyperLink(path + "package-summary.html", "",
                configuration.getText("doclet.Next_Package"), true);
        }
    }