<s>
LISP	B-Language
2	I-Language
was	O
a	O
programming	O
language	O
proposed	O
in	O
the	O
1960s	O
as	O
the	O
successor	O
to	O
Lisp	B-Language
.	O
</s>
<s>
It	O
had	O
largely	O
Lisp-like	O
semantics	O
and	O
Algol	O
60-like	O
syntax	O
.	O
</s>
<s>
Today	O
it	O
is	O
mostly	O
remembered	O
for	O
its	O
syntax	O
,	O
but	O
in	O
fact	O
it	O
had	O
many	O
features	O
beyond	O
those	O
of	O
early	O
Lisps	B-Language
.	O
</s>
<s>
Early	O
Lisps	B-Language
had	O
many	O
limitations	O
,	O
including	O
limited	O
data	O
types	O
and	O
slow	O
numerics	O
.	O
</s>
<s>
The	O
inventor	O
of	O
Lisp	B-Language
,	O
John	O
McCarthy	O
,	O
expected	O
these	O
issues	O
to	O
be	O
addressed	O
in	O
a	O
later	O
version	O
,	O
called	O
notionally	O
Lisp	B-Language
2	I-Language
.	O
</s>
<s>
Hence	O
the	O
name	O
Lisp	B-Language
1.5	I-Language
for	O
the	O
successor	O
to	O
the	O
earliest	O
Lisp	B-Language
.	O
</s>
<s>
Lisp	B-Language
2	I-Language
was	O
a	O
joint	O
project	O
of	O
the	O
System	O
Development	O
Corporation	O
and	O
Information	O
International	O
,	O
Inc.	O
,	O
and	O
was	O
intended	O
for	O
the	O
IBM	O
built	O
AN/FSQ	B-Architecture
-32	I-Architecture
military	O
computer	O
.	O
</s>
<s>
Development	O
later	O
shifted	O
to	O
the	O
IBM	B-Device
360/67	I-Device
and	O
the	O
Digital	O
Equipment	O
Corporation	O
PDP-6	B-Device
.	O
</s>
