<s>
The	O
Language	B-Device
for	I-Device
Systems	I-Device
Development	I-Device
(	O
LSD	O
)	O
was	O
a	O
programming	O
language	O
developed	O
in	O
1971	O
at	O
Brown	O
University	O
for	O
the	O
IBM	B-Application
System/360	I-Application
.	O
</s>
<s>
LSD	O
was	O
derived	O
from	O
PL/I	B-Language
.	O
</s>
