RFR: 8370071: Clarify jcmd Thread.print help message [v2]

[Kevin Walls]

On Fri, 17 Oct 2025 10:05:39 GMT, Sean Coffey <coffeys at openjdk.org> wrote:

>> Simple tweak to jcmd Thread.print help message
>> 
>> jdk_svc test group ran and green
>
> Sean Coffey has updated the pull request incrementally with one additional commit since the last revision:
> 
>   man page and better help messages

By: "Use Thread.dump_to_file for all thread information." 
do we mean:
"Use Thread.dump_to_file for information on all threads."

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PR Comment: https://git.openjdk.org/jdk/pull/27861#issuecomment-3414868872