<s>
)	O
is	O
a	O
widget	B-Library
toolkit	I-Library
from	O
Sun	O
Microsystems	O
introduced	O
in	O
1988	O
,	O
providing	O
an	O
OPEN	B-Operating_System
LOOK	I-Operating_System
user	O
interface	O
for	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
applications	O
.	O
</s>
<s>
It	O
provides	O
an	O
Xt	B-Language
application	B-Application
programming	I-Application
interface	I-Application
for	O
the	O
C	B-Language
programming	I-Language
language	I-Language
,	O
providing	O
an	O
easy	O
way	O
for	O
those	O
familiar	O
with	O
Xt	B-Language
programming	O
to	O
implement	O
the	O
OPEN	B-Operating_System
LOOK	I-Operating_System
look	B-Application
and	I-Application
feel	I-Application
.	O
</s>
<s>
OLIT	B-Library
became	O
obsolete	O
when	O
Sun	O
abandoned	O
OPEN	B-Operating_System
LOOK	I-Operating_System
as	O
part	O
of	O
the	O
UNIX	O
industry	O
's	O
COSE	B-Operating_System
initiative	I-Operating_System
,	O
in	O
favor	O
of	O
Motif	B-Application
(	O
the	O
basis	O
of	O
CDE	B-Application
)	O
,	O
which	O
in	O
turn	O
was	O
later	O
superseded	O
by	O
GTK	B-Application
(	O
the	O
basis	O
of	O
GNOME	B-Application
)	O
.	O
</s>
