Pádraig Brady <P@draigBrady.com> writes:

>> Thanks, I forgot about that function. That sounds like a good idea
>> to
>> me. We can be nice to people who do not use glibc.
>> We will have to hoist the 'posixly_correct' check out of it before
>> though. Technically POSIX says that 'fold -s' should only break at
>> <blank> characters. But I rather avoid adding more
>> getenv ("POSIXLY_CORRECT") to programs that do not yet have them.
>
> Yes I agree that fold should not depend on POSIXLY_CORRECT,
> so c32isnbspace() should only look at the passed char.

This patch should do the trick. It fixes it on Solaris 11.4 (cfarm215).
I couldn't reproduce the failure seen on the CI machines in my NetBSD 10
VM. But I see no reason why this fix wouldn't work there too.

Will push it tomorrow.

Collin