RFR: 8342808: Javadoc should add whitespace between type parameters [v3]

[Nizar Benalla]

On Fri, 22 Nov 2024 15:23:58 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

>> Please review this patch to render javadocs as `<K, V, T>` rather than `<K,V,T>` to match naming conventions and make the rendered output slighly nicer to read.
>> 
>> Passes langtool tests.
>> 
>> The [generated docs](https://cr.openjdk.org/~nbenalla/GeneratedDocs/K-V-space/docs/api/index.html) only include `java.base`.
>> 
>> Note for reviewers:
>> 
>> In `TestInheritence`, B is a user defined class and `TypeMirror::getKind` returns `DECLARED `. Which why we see this output. 
>> 
>> 
>> 
>> html
>> 
>> Class D<R,S>
>> java.lang.Object
>> [pkg.A](https://htmledit.squarefree.com/A.html)<S, [B](https://htmledit.squarefree.com/B.html)>
>> [pkg.B](https://htmledit.squarefree.com/B.html)<S, [B](https://htmledit.squarefree.com/B.html)>
>> pkg.D<R,S>
>
> Nizar Benalla has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - use a simpler approach to decide whether to add spaces or not
>    
>    remove code related to adding new lines for very long methods (only used a couple of times in the JDK)
>  - Merge remote-tracking branch 'upstream/master' into javadoc-whitespace
>  - small improvement after getting review comments.
>    
>    Update tests
>  - Merge remote-tracking branch 'upstream/master' into javadoc-whitespace
>  - Add small whitespace before map parameters

I still need to make one last push to update some tests. 

I've simplified the code to tell whether we are dealing with a bounded type parameter or a `TYPEVAR`, 8 characters seems okay as a cutoff.

I've deleted the CSS class used to display long type params, and related code.

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PR Comment: https://git.openjdk.org/jdk/pull/21759#issuecomment-2494032170