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

[Hannes Wallnöfer]

On Wed, 5 Jun 2024 11:04:06 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

>> Hannes Wallnöfer has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address review feedback
>
> test/langtools/jdk/javadoc/doclet/testPreview/TestPreview.java line 161:
> 
>> 159:                     </ol>""");
>> 160: 
>> 161:         // 8331947: Support preview features without JEP should not be included in Preview API page
> 
> Trivial: here it is phrased as "Support preview features", while in the actual test source file it is "Preview support feature".

I agree the terminology in comments is somewhat inconsistent. I don't think there is an "official" term for these preview features. [In the CSR](https://bugs.openjdk.org/browse/JDK-8329634) they are summarized as follows: "Add a set of persistent preview visitors to support new language changes in development." 

I think the essential property for our purpose is the "without JEP". I added the "support" adjective to make their purpose clearer, but I don't think it's essential.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19344#discussion_r1627680852