protected void write(String key, String value) throws IOException { os.write(SPACE); write(key); os.write(EQUALS); os.write(QUOTE); write(value); os.write(QUOTE);
protected final void write(String string) throws IOException { os.write(DocWriter.getISOBytes(string));
    protected void write(String key, String value)    throws IOException {        os.write(SPACE);        write(key);        os.write(EQUALS);        os.write(QUOTE);        write(value);        os.write(QUOTE);    }