https://ieeexplore.ieee.org/document/10555529
A note from earlier today says the HTML edition will be available soon. I assume that means it will show up here: https://pubs.opengroup.org/onlinepubs/9699919799/
Shell scripts were a mistake. The weirdness you have to remember to safely stop executing when something fails is mind-boggling.
nushell scripts aren't shellscripts?
I usually write “POSIXy shell” but I thought that was clear from context this time.
The problem is that exit statuses !=0 aren't treated as error by default (with a way to turn that off for individual expressions). Instead you have to set multiple settings and avoid certain constructs in bash/ZSH/...
Everything that works like a modern programming language by default is fine of course