<s>
Larceny	B-Language
is	O
an	O
implementation	O
of	O
the	O
Scheme	B-Language
programming	I-Language
language	I-Language
built	O
around	O
the	O
Twobit	O
optimizing	O
compiler	B-Language
.	O
</s>
<s>
Larceny	B-Language
offers	O
several	O
back-ends	O
able	O
to	O
target	O
native	O
x86	B-Operating_System
and	O
ARMv7	B-Architecture
code	O
.	O
</s>
<s>
Petit	O
Larceny	B-Language
is	O
also	O
available	O
and	O
emits	O
C	B-Language
source	I-Language
code	I-Language
,	O
which	O
can	O
then	O
be	O
further	O
compiled	B-Language
to	O
native	O
code	O
with	O
an	O
ordinary	O
C	B-Language
compiler	B-Language
.	O
</s>
<s>
Older	O
versions	O
(	O
<	O
0.98	O
)	O
included	O
support	O
for	O
the	O
SPARC	B-Architecture
architecture	O
in	O
Larceny	B-Language
,	O
and	O
for	O
Microsoft	O
's	O
Common	O
Language	O
Runtime	O
via	O
Common	O
Larceny	B-Language
.	O
</s>
<s>
Larceny	B-Language
supports	O
all	O
major	O
Scheme	B-Language
standards	O
(	O
R5RS	B-Language
,	O
IEEE/ANSI	O
,	O
R6RS	O
,	O
and	O
R7RS	O
.	O
</s>
<s>
The	O
Larceny	B-Language
software	O
is	O
open	B-Application
source	I-Application
and	O
available	O
online	O
.	O
</s>
