RFR: 8331947: Preview creates checkbox for JEP-less preview feature [v4]

[Chen Liang]

On Fri, 31 May 2024 10:01:17 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

>> Please review a simple patch to exclude preview visitor classes meant to support future preview features from the Preview API page. 
>> 
>> The test adds an sample element annotated with the new `PreviewFeature.Feature.LANGUAGE_MODEL` constant (which does not have a `@JEP` annotation) to make sure it is not listed in the Preview API page. The test itself does not have to be modified, as it would fail without the change in `PreviewAPIListBuilder.java`.
>
> Hannes Wallnöfer has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Address review feedback

Marked as reviewed by liach (Author).

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PR Review: https://git.openjdk.org/jdk/pull/19344#pullrequestreview-2095041186