>>107012561
>>107013012
By "non-default collation", do you mean anything other than "LC_COLLATE=C"? Because I'm seeing the same behavior with en_US.UTF-8.
$ echo "à b C d _e" | tr '\040' '\n' | sort
à
b
C
d
_e
$ echo "à b C d _e" | tr '\040' '\n' | uutils-sort
C
_e
b
d
à