On Thu, 14 Nov 2024 23:40:37 GMT, Nizar Benalla <nbena...@openjdk.org> wrote:

> Please review this patch to improve the javadoc preview header. The parent 
> bug include more details.
> 
> This is meant to prevent a bug where, if a non preview class extend an 
> `@PreviewFeature` interface, the Javadoc displays `Programs can only use 
> <<Type>> when preview features are enabled` when the API can be used without 
> enable preview features as long as we don't refer to any methods in the 
> supertype
> 
> This is specifically the case in  #17543. Here is the javadoc output 
> [AsymmetricKey](https://cr.openjdk.org/~nbenalla/GeneratedDocs/8343239-2/docs/api/java.base/java/security/AsymmetricKey.html)
>  after merging this branch with the PR `298420: PEM API: Implementation 
> (Preview) #17543`. The only files affected by this change are the class 
> `DEREncodable` and it's Subinterfaces.
> 
> One other bug I noticed is that, on the `DEREncodable` page, it's direct 
> subinterfaces had the superscript `PREVIEW` link. I've added a condition to 
> remove it.

I'm not sure the non-preview class needs to get a preview notice at all just 
for implementing an (empty) preview interface. I think somebody with more 
knowledge about preview features should have a look at this.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/22126#issuecomment-2491885713

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