RFR: JDK-8295236: Update JavaDoc in javafx.geometry.Point3D [v3]

[Douglas Held]

On Fri, 14 Oct 2022 15:30:10 GMT, Douglas Held <duke at openjdk.org> wrote:

>> The JavaDoc for equals had a copy/paste error. I normalized the text based on the JavaDoc for method java.awt.Point#equals. I also changed formatting in the method signatures of equals(), hashCode() and toString().
>> 
>> For good measure, some kind of copy/paste detection should probably be added to the many automated checks. For the entire OpenJDK project.
>
> Douglas Held has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update Point3D.java
>   
>   Removal of two line-end whitespace characters

I've reverted some of my changes which fell outside of the egregious documentation error.

If we are to correct further doc style, then that might be addressed as a whole-file review of the doc. (per the comment on line 32)

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PR: https://git.openjdk.org/jfx/pull/913