RFR: 8215788: Clarify JarInputStream Manifest access [v12]

[Alan Bateman]

On Tue, 20 Sep 2022 18:08:23 GMT, Lance Andersen <lancea at openjdk.org> wrote:

>> Please review this PR which updates  the JarInputStream class description to clarify when the Manifest is accessible via JarInputStream::getManifest and JarInputStream::get[Jar]Entry.
>> 
>> It is worth noting that with this update, we are finally documenting  behavior that dates back to when this class was added to JDK 1.2
>> 
>> 
>> Best,
>> Lance
>
> Lance Andersen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Added the verification note from JarFile

Marked as reviewed by alanb (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10045