protected void printNavSummaryLink(ClassDoc cd, boolean link) {
        if (link) {
            writer.printHyperLink("", (cd == null)?
                        "field_summary":
                        "fields_inherited_from_class_" +
                        configuration().getClassName(cd),
                    configuration().getText("doclet.navField"));
        } else {
            writer.printText("doclet.navField");
        }
    }