Eli Zaretskii <eliz@gnu.org> writes:

>> So what, maybe it is sufficient to take over the implementation from
>> glib, indeed. There's not too much logic added there, and we would avoid
>> the glib dependency.
>
> That's what I had in mind, yes.

Finally, I came out with the appended patch. Comments appreciated.

>> do you or somebody else has some test cases for `gstring-lessp' or
>> `gstring-equalp', which shall return different results than
>> `string-lessp' and `string-equal'?
>
> I don't have such test cases, but I'd start by looking in the glib
> test suite.

There aren't so many glib test cases for collation. I need to search further.

Best regards, Michael.