Taylan Kammer <taylan.kammer@gmail.com> skriver:

> On 17.05.2021 17:09, Marius Bakke wrote:
>> Hello,
>> 
>> (make-regexp "[a-Z]") fails in Guile 3.0.7 with "Invalid range end".
>> 
>> This is a regression since 3.0.5.
>> 
>
> I think that's normal.
>
>   $ grep -E '[a-Z]'
>   grep: Invalid range end
>
> You're supposed to use [a-zA-Z] or better yet, something locale-aware
> such as [[:alpha:]].
>
> I get the same error on Guile 2.2, are you sure that it ever worked?

Oh indeed, this appears to be because of a behavior change in glibc.

Closing the issue, thanks for the prompt feedback!