<i18n dev> RFR: 8303917: Update ISO 639 language codes table

[Naoto Sato]

On Fri, 10 Mar 2023 17:27:11 GMT, Justin Lu <jlu at openjdk.org> wrote:

> This PR modifies `java.util.LocaleISOData.isoLanguageTable` to include (name only) changes from up-to-date [ISO 639 data](http://www.loc.gov/standards/iso639-2/php/code_list.php.).
> 
> In addition, this PR updates the ISO 639 data (generated in 1999) in `Bug4175998Test.java`. This includes modifying the `generate_Tables() `function, since the source data is now stored in a different format. The outdated raw data stored in the bottom of the file was removed.

Looks good.

test/jdk/java/util/Locale/Bug4175998Test.java line 284:

> 282:                 System.out.print("\""+iso639_2B+"\",");
> 283:                 System.out.print("\""+iso639_2T+"\"");
> 284:                 System.out.println("},");

Could be simplified like

System.out.printf("""
    {"%s","%s","%s"},
""", iso639_1, iso639_2B, iso639_2T);

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Marked as reviewed by naoto (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12980