Comment (by Roland Haas):

There are some suggestions on the “How to review a patch” page of the wiki (somewhat hidden, since it is listed in the “maintainers” section of the front page only):

https://docs.einsteintoolkit.org/et-docs/How_to_Review_a_Patch

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2601/add-four-more-parameters-for-carpet