RFR: 8319324: FFM: Reformat javadocs [v3]

[Per Minborg]

On Mon, 6 Nov 2023 13:27:40 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> FWIW, I've been sticking to a soft 120 character limit per line when writing javadoc. Why should we use 90 columns specifically?
> 
> > It is also customary to use double spaces when starting a new sentence.
> 
> I thought this was the exception rather than the rule, to be honest.

We should try to get some clarity on this. I've sampled a handful of prominent Java classes and they have the style as in this PR. If we can find support that other styles are to be preferred, I am happy to update accordingly.

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PR Comment: https://git.openjdk.org/jdk/pull/16518#issuecomment-1795020671