The files in this directory are used by the Study "autocomplete" search box

    keywords-rtk-0.js           RTK 5th editions
    keywords-rtk-1.js           RTK 6th edition

The files are  generated by `data/scripts/kanji.php`

```bash
php data/scripts/kanji.php -v -o web/revtk/study/keywords-rtk-1.js -k 1
```
