RFR: 8215788: Clarify JarInputStream Manifest access [v9]

[Lance Andersen]

On Mon, 19 Sep 2022 20:04:18 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:
> 
>   Address Sean's input

Thank you Sean for the input.  Your suggestions should have all been addressed (hopefully)

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