RFR: 8321139: jlink's man page does not document the --compress option correctly

[Alan Bateman]

On Mon, 17 Nov 2025 17:54:21 GMT, Ana Maria Mihalceanu <duke at openjdk.org> wrote:

> This PR looks into updating the content of `--compress` option and plugin of `jlink`:
> 
> - Updates the `--compress` option description and warns that previous compression levels are deprecated to be removed in a future release.
> - Updates the `--plugin` option description and warns that previous compression levels are deprecated to be removed in a future release.

src/jdk.jlink/share/man/jlink.md line 68:

> 66: 
> 67: `-c=zip-[0-9]` or `--compress=zip-[0-9]`
> 68: :   Enable compression of resources. The accepted values are:

All good for `--compress`. Can you double check that `-c` actually works?

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PR Review Comment: https://git.openjdk.org/jdk/pull/28359#discussion_r2535339682