Another draft revision of P2572R0 (std::format() fill character allowances) is now available (you may have to force a reload; the revision date should be 2022-06-07). This addresses feedback from the 2022-05-25 SG16 telecon.

I've once again left little time between now and the SG16 telecon on Wednesday. Any feedback offered before the meeting would be appreciated.

The following changes have been made relative to the previously reviewed draft.