RFR: New section Making a change [v4]

[Iris Clark]

On Fri, 26 Jul 2024 14:54:23 GMT, Jesper Wilhelmsson <jwilhelm at openjdk.org> wrote:

>> The old section "Fixing a bug" was mostly outdated so it has been replaced with a section "Making a change" that holds content relevant to working with the source code and making changes. The still relevant parts of Fixing a bug has been moved to the appropriate places.
>> 
>> Another change that followed from this was the new section "Responsibilities of a Reviewer".
>
> Jesper Wilhelmsson has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fixed typos.

Marked as reviewed by iris (Reviewer).

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PR Review: https://git.openjdk.org/guide/pull/131#pullrequestreview-2202978971