<s>
XL	O
Fortran	O
is	O
the	O
name	O
of	O
IBM	O
's	O
proprietary	O
optimizing	O
Fortran	O
compiler	O
for	O
IBM-supported	O
environments	O
,	O
including	O
Linux	B-Application
for	O
little-endian	O
distributions	O
and	O
AIX	O
.	O
</s>
