sort
stable-sort
merge
<
<=
/=
=
>=
>
string<
string<=
string/=
string=
string>=
string>
string-lessp
string-not-greaterp
string-not-equal
string-equal
string-not-lessp
string-greaterp
char<
char<=
char/=
char=
char>=
char>
char-lessp
char-not-greaterp
char-not-equal
char-equal
char-not-lessp
char-greaterp