RFR: Section on cloning [v10]

[Jesper Wilhelmsson]

On Wed, 25 Aug 2021 08:40:22 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> src/index.md line 1528:
>> 
>>> 1526:     +-----------------+
>>> 1527: 
>>> 1528: 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"?

I created a "Working with the legacy Mercurial servers" section and pulled all the mercurial stuff from "Repositories" and "Producing a Changeset" there. Some sentences was placed in other parts of the guide where I felt they were more in context. This made the change significantly larger but I also think the result is a lot better and made the guide as a whole more up to date.

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