RFR: 8323605: Java source launcher should not require `--source ...` to enable preview [v6]

[David Holmes]

On Tue, 12 Mar 2024 16:06:24 GMT, Christian Stein <cstein at openjdk.org> wrote:

>> Please review this PR targeting the source launcher that instead of throwing an error reading _"--enable-preview must be used with --source"_ adds the required compiler arguments on-the-fly.
>> 
>> The add arguments are `--release` and `feature`, with `feature` being the release feature number of the current Java runtime as acquired by `Runtime.version().feature()`.
>
> Christian Stein has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove superfluous backticks

manpage update is good. Thanks

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17731#pullrequestreview-1933262272