RFR: 8312098: Update man page for javadoc

[Jim Laskey]

On Fri, 1 Dec 2023 17:07:47 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

> Please review this **forwardport**.
> 
> The original issue should've been committed to mainline first and then backported to jdk21, but instead it was [committed in jdk21 first](https://github.com/openjdk/jdk21/pull/130) and almost forgotten to be brought to mainline.
> 
> This PR brings the change to mainline just in time: RDP 1 is next week.

Marked as reviewed by jlaskey (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/16929#pullrequestreview-1760262485