RFR: JDK-8322979: Add informative discussion to Modifier [v3]

[Alan Bateman]

On Fri, 12 Jan 2024 07:38:12 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Add a few apiNote concerning source-level modifiers that are not represented in java.lang.reflect.Modifier.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Refine wording per review feedback.

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17338#pullrequestreview-1818743339