RFR: Section on cloning [v9]

[Magnus Ihse Bursie]

On Tue, 24 Aug 2021 17:33:23 GMT, Iris Clark <iris at openjdk.org> wrote:

>> Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Personal clone
>
> src/index.md line 1466:
> 
>> 1464:     +-----------------+
>> 1465: 
>> 1466: The `~/.ssh/id_rsa.pub` is a text file containing the public ssh key. This file should be mailed as an attachment along with the JDK username to [keys(at)openjdk.java.net](mailto:keys-at-openjdk.java.net). An administrator will install your key on the server and notify you on completion. This process may take a couple of days.
> 
> I'm not sure how to handle this.  All of the new section is about using Git; however, these instructions for sending to keys at ojn are still needed for the very few Projects which still develop using hg.ojn or for those intending to use cr.ojn.  I referenced them in the past few weeks when helping a user so I'm reluctant to completely eliminate these few sentences quite yet.

Can we keep a section "How to do development on the legacy Mercurial server"?

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PR: https://git.openjdk.java.net/guide/pull/59