<s>
XHTML+SMIL	B-General_Concept
is	O
a	O
W3C	O
Note	O
that	O
describes	O
an	O
integration	O
of	O
SMIL	B-Language
semantics	O
with	O
XHTML	B-Language
and	O
CSS	B-Language
.	O
</s>
<s>
It	O
is	O
based	O
generally	O
upon	O
the	O
HTML+TIME	B-Language
submission	O
.	O
</s>
<s>
The	O
language	O
is	O
also	O
known	O
as	O
HTML+SMIL	O
.	O
</s>
<s>
The	O
XHTML+SMIL	B-General_Concept
language	O
profile	O
shares	O
many	O
modules	O
with	O
the	O
standard	O
SMIL	B-Language
language	O
profiles	O
,	O
including	O
the	O
core	O
modules	O
of	O
timing	O
,	O
media	O
objects	O
,	O
linking	O
,	O
animation	O
,	O
transitions	O
and	O
content	O
control	O
.	O
</s>
<s>
Where	O
the	O
other	O
SMIL	B-Language
profiles	O
use	O
a	O
language-specific	O
layout	O
model	O
,	O
XHTML+SMIL	B-General_Concept
leverages	O
the	O
HTML	O
flow	O
layout	O
and	O
CSS	B-Language
positioning	O
model	O
familiar	O
to	O
many	O
web	O
authors	O
.	O
</s>
<s>
The	O
semantics	O
of	O
integrating	O
SMIL	B-Language
animation	O
with	O
the	O
CSS	B-Language
model	O
were	O
also	O
adopted	O
in	O
SVG	B-Application
.	O
</s>
<s>
XHTML+SMIL	B-General_Concept
was	O
issued	O
as	O
a	O
W3C	O
Note	O
rather	O
than	O
a	O
recommendation	O
as	O
there	O
was	O
only	O
one	O
implementation	O
of	O
the	O
language	O
profile	O
(	O
in	O
MSIE	B-Application
)	O
.	O
</s>
