RFR: 8310643: Misformatted copyright messages in FFM

[David Holmes]

On Wed, 26 Jul 2023 15:43:12 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> This PR suggests updating some of the ill-formed copyright headers in the FFM API and the implementation and test thereof.
> 
> Some of the test files will have now the "classpath" exception. Is this correct?

src/java.base/share/classes/java/lang/foreign/GroupLayout.java line 25:

> 23:  * questions.
> 24:  */
> 25: 

Is there some style guideline that says there needs to be a blank line here?

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PR Review Comment: https://git.openjdk.org/jdk/pull/15042#discussion_r1278292345