Implement parsing and formatting of ISO strings for instant values separately from the rest of the library.
A stage of fixing #382
This is a draft PR because we probably don't need to actually merge it into the datetime library. However, the code is already written and can be reviewed.
Implement parsing and formatting of ISO strings for instant values separately from the rest of the library.
A stage of fixing #382
This is a draft PR because we probably don't need to actually merge it into the datetime library. However, the code is already written and can be reviewed.