RFR: 8301569: list mode of jmod and jimage cannot be used normally in turkish locale

[Jaikiran Pai]

On Sun, 29 Jan 2023 23:54:21 GMT, Glavo <duke at openjdk.org> wrote:

>> When the default Locale is `tr`, the jmod and jimage commands have the following problems:
>> 
>> * The jmod command does not correctly recognize the `list` mode typed in lowercase;
>> * The jimage command cannot obtain the help information of the `list` mode.
>
> There are some similar hidden dangers in OpenJDK. I hope to clean them up.
> 
> These hidden dangers are scattered in many modules. Should I solve them in multiple PRs?

Hello @Glavo, I see you reopened this PR, so I'm guessing you are still interested in pursuing this further. Are you considering updating this PR to implement Alan's suggestion to do similar changes in `JImageTask.java` and `JlinkTask.java` to use `Locale.ROOT` or update this proposed change to use `Locale.ENGLISH`?

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PR Comment: https://git.openjdk.org/jdk/pull/12281#issuecomment-1534716229