How close is close enough? Document assessment of maps as part of a CODECHECK

[nuest]

How close to the original should the reproduced map be? Ideally, we can give codecheckers some guidance.

https://doi.org/10.1080/15230406.2024.2409920 gives a great starting point.

[sje30]

great question! My basic answer is normally 'it's good enough'.
but this does need some thought.