An incredibly long BNF for something called an io-control-spec. This appears to be how the spec documents the arguments to the READ keyword.

Notices where this attachment appears

1. mcc (mcc@mastodon.social)'s status on Friday, 31-Jan-2025 21:17:23 JST mcc

   in reply to

   Incidentally, I am very comfortable usually with reading language specifications, but I got hold of a copy of the FORTRAN 2008 spec and… this is one of the least friendly language specifications I've ever seen, when reading it to try to determine how a program should be written.

   (Trivia: When the image on the right says something like "the value must be YES or NO" what they mean is "the value must be 'YES' or 'NO'.)