- * To set directory manually, define <code>WP_LANG_DIR</code> in wp-config.php.
- *
- * If the language directory exists within WP_CONTENT_DIR, that is used.
- * Otherwise if the language directory exists within WPINC, that's used.
- * Finally, if neither of the preceding directories are found,
- * WP_CONTENT_DIR/languages is used.