<s>
Compound	B-Application
Document	I-Application
Format	I-Application
(	O
CDF	O
)	O
is	O
a	O
set	O
of	O
W3C	O
candidate	O
standards	O
describing	O
electronic	O
compound	O
document	O
file	O
formats	O
that	O
contains	O
multiple	O
formats	O
,	O
such	O
as	O
SVG	B-Application
,	O
XHTML	B-Language
,	O
SMIL	B-Language
and	O
XForms	B-Application
.	O
</s>
<s>
As	O
of	O
August	O
19	O
,	O
2010	O
,	O
the	O
Compound	B-Application
Document	I-Application
Format	I-Application
working	O
group	O
has	O
been	O
closed	O
,	O
and	O
W3C	O
's	O
development	O
of	O
the	O
standard	O
discontinued	O
.	O
</s>
