RFR: Section on backporting [v2]

[Magnus Ihse Bursie]

On Wed, 24 Nov 2021 11:09:34 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fixes after reviews
>
> src/index.md line 1504:
> 
>> 1502: ## Using the Skara tooling to help with backports
>> 1503: 
>> 1504: The Skara project developed support for backports. [The official Skara documentation](https://wiki.openjdk.java.net/display/SKARA/Backports) describes in detail how to work with the tooling to create backport PRs on GitHub or using the CLI tools. As described in the documentation, the [`/backport`](https://wiki.openjdk.java.net/display/SKARA/Commit+Commands#CommitCommands-/backport) command can be used to create the backport PR. If a backport PR is manually created, set the title to `Backport <original commit hash>`.
> 
> Suggestion:
> 
> The Skara tooling includes support for backports. [The official Skara documentation](https://wiki.openjdk.java.net/display/SKARA/Backports) describes in detail how to work with the tooling to create backport PRs on GitHub or using the CLI tools. As described in the documentation, the [`/backport`](https://wiki.openjdk.java.net/display/SKARA/Commit+Commands#CommitCommands-/backport) command can be used on a commit (not a PR!) to create the backport PR. If a backport PR is manually created, set the title to `Backport <original commit hash>`.

You did not like these suggestions? It has happened more than once that users try to use `/backport` on a PR, since commit commands (or even comments in general!) is not widely known about. I think at least that should be made more clear.

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PR: https://git.openjdk.java.net/guide/pull/66