How to use line break as a separator in string-join().

Question

I tried  and codepoints-to-string(10) as the separator in string-join(). But the strings are separated by '\n' and not be line break.

 

But  and codepoints-to-string(10) works as a line break in concat().

 

Please help to find the right separator to be used for string-join() to have line break between the strings.

 

Thank you!!