<s>
Scheme	B-Language
In	I-Language
One	I-Language
Defun	I-Language
,	O
or	O
humorously	O
Scheme	B-Language
In	I-Language
One	I-Language
Day	I-Language
(	O
SIOD	B-Language
)	O
is	O
a	O
programming	O
language	O
,	O
a	O
dialect	O
of	O
the	O
language	O
Lisp	B-Language
,	O
a	O
small-size	O
implementation	O
of	O
the	O
dialect	O
Scheme	B-Language
,	O
written	O
in	O
C	B-Language
and	O
designed	O
to	O
be	O
embedded	O
inside	O
C	B-Language
programs	I-Language
.	O
</s>
<s>
It	O
is	O
notable	O
for	O
being	O
perhaps	O
the	O
smallest	O
practical	O
implementation	O
of	O
a	O
Lisp-like	O
language	O
.	O
</s>
<s>
It	O
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
released	O
under	O
a	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
(	O
LGPL	B-Application
)	O
.	O
</s>
<s>
SIOD	B-Language
features	O
include	O
:	O
</s>
<s>
Implements	O
the	O
original	O
version	O
of	O
Scheme	B-Language
from	O
the	O
Lambda	O
Papers	O
,	O
but	O
none	O
of	O
the	O
modern	O
language	O
standards	O
.	O
</s>
<s>
Represents	O
a	O
very	O
early	O
use	O
of	O
conservative	O
garbage	B-General_Concept
collection	I-General_Concept
in	O
a	O
Lisp	B-Language
interpreter	B-Application
,	O
a	O
method	O
later	O
copied	O
by	O
SCM	B-Language
and	O
Guile	B-Application
.	O
</s>
<s>
Compiling	B-Language
is	O
implemented	O
by	O
emitting	O
a	O
fixed	O
machine	B-Language
code	I-Language
prologue	B-Language
followed	O
by	O
a	O
fast-loading	O
binary	O
representation	O
of	O
the	O
parse	O
tree	O
to	O
be	O
interpreted	O
.	O
</s>
<s>
GNU	B-Application
Image	I-Application
Manipulation	I-Application
Program	I-Application
(	O
GIMP	B-Application
)	O
–	O
SIOD	B-Language
was	O
its	O
primary	O
extension	B-Language
language	I-Language
,	O
Script-Fu	B-Application
,	O
until	O
GIMP	B-Application
2.4	O
was	O
released	O
.	O
</s>
<s>
Siag	B-Application
Office	I-Application
–	O
Scheme	B-Language
in	O
a	O
Grid	O
(	O
SIAG	O
)	O
is	O
a	O
spreadsheet	B-Application
application	O
using	O
SIOD	B-Language
as	O
a	O
base	O
.	O
</s>
<s>
Festival	B-Language
Speech	I-Language
Synthesis	I-Language
System	I-Language
–	O
SIOD	B-Language
is	O
its	O
underlying	O
command	O
interpreter	B-Application
.	O
</s>
