<s>
Scalable	B-Application
Vector	I-Application
Graphics	I-Application
(	O
SVG	B-Application
)	O
is	O
an	O
XML-based	O
vector	O
image	O
format	O
for	O
defining	O
two-dimensional	O
graphics	O
,	O
having	O
support	O
for	O
interactivity	B-General_Concept
and	O
animation	O
.	O
</s>
<s>
The	O
SVG	B-Application
specification	O
is	O
an	O
open	O
standard	O
developed	O
by	O
the	O
World	O
Wide	O
Web	O
Consortium	O
since	O
1999	O
.	O
</s>
<s>
SVG	B-Application
images	O
are	O
defined	O
in	O
a	O
vector	O
graphics	O
format	O
and	O
stored	O
in	O
XML	B-Protocol
text	O
files	O
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
thus	O
be	O
scaled	O
in	O
size	O
without	O
loss	O
of	O
quality	O
,	O
and	O
SVG	B-Application
files	I-Application
can	O
be	O
searched	B-Application
,	O
indexed	O
,	O
scripted	B-Language
,	O
and	O
compressed	B-General_Concept
.	O
</s>
<s>
The	O
XML	B-Protocol
text	O
files	O
can	O
be	O
created	O
and	O
edited	O
with	O
text	B-Application
editors	I-Application
or	O
vector	B-Application
graphics	I-Application
editors	I-Application
,	O
and	O
are	O
rendered	O
by	O
the	O
most-used	O
web	B-Application
browsers	I-Application
.	O
</s>
<s>
SVG	B-Application
allows	O
for	O
three	O
types	O
of	O
graphic	O
objects	O
:	O
vector	O
shapes	O
,	O
bitmap	O
images	O
,	O
and	O
text	O
.	O
</s>
<s>
It	O
supports	O
interactivity	B-General_Concept
,	O
animation	O
,	O
and	O
rich	O
graphical	O
capabilities	O
,	O
making	O
it	O
suitable	O
for	O
both	O
web	O
and	O
print	O
applications	O
.	O
</s>
<s>
SVG	B-Application
1.1	O
was	O
updated	O
in	O
2011	O
,	O
and	O
SVG	B-Application
2	O
became	O
a	O
W3C	O
Candidate	O
Recommendation	O
in	O
2016	O
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
be	O
compressed	B-General_Concept
with	O
the	O
gzip	B-Application
algorithm	O
,	O
resulting	O
in	O
SVGZ	B-Application
files	O
that	O
are	O
typically	O
20-50	O
%	O
smaller	O
than	O
the	O
original	O
.	O
</s>
<s>
Two	O
mobile	O
profiles	O
,	O
SVG	B-Application
Tiny	O
and	O
SVG	B-Application
Basic	I-Application
,	O
cater	O
to	O
devices	O
with	O
limited	O
capabilities	O
.	O
</s>
<s>
SVG	B-Application
also	O
supports	O
metadata	O
,	O
enabling	O
better	O
indexing	O
,	O
searching	O
,	O
and	O
retrieval	O
of	O
SVG	B-Application
content	O
.	O
</s>
<s>
SVG	B-Application
is	O
used	O
for	O
displaying	O
vector	O
graphics	O
on	O
the	O
web	O
.	O
</s>
<s>
Early	O
adoption	O
was	O
limited	O
due	O
to	O
lack	O
of	O
support	O
in	O
older	O
versions	O
of	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
However	O
,	O
as	O
of	O
2011	O
,	O
all	O
major	O
desktop	O
browsers	B-Application
began	O
to	O
support	O
SVG	B-Application
.	O
</s>
<s>
Native	O
browser	B-Application
support	O
offers	O
various	O
advantages	O
,	O
such	O
as	O
not	O
requiring	O
plugins	B-Application
,	O
allowing	O
SVG	B-Application
to	O
be	O
mixed	O
with	O
other	O
content	O
,	O
and	O
improving	O
rendering	O
and	O
scripting	B-Language
reliability	O
.	O
</s>
<s>
Mobile	O
support	O
for	O
SVG	B-Application
exists	O
in	O
various	O
forms	O
,	O
with	O
different	O
devices	O
and	O
browsers	B-Application
supporting	O
SVG	B-Application
Tiny	O
1.1	O
or	O
1.2	O
.	O
</s>
<s>
SVG	B-Application
can	O
be	O
produced	O
using	O
vector	B-Application
graphics	I-Application
editors	I-Application
and	O
rendered	O
into	O
raster	B-Algorithm
formats	I-Algorithm
.	O
</s>
<s>
In	O
web-based	O
applications	O
,	O
Inline	O
SVG	B-Application
allows	O
embedding	O
SVG	B-Application
content	O
within	O
HTML	B-Language
documents	O
.	O
</s>
<s>
Despite	O
its	O
benefits	O
,	O
SVG	B-Application
can	O
pose	O
security	O
risks	O
if	O
used	O
for	O
images	O
,	O
as	O
it	O
can	O
host	O
scripts	O
or	O
CSS	B-Language
,	O
potentially	O
leading	O
to	O
cross-site	O
scripting	B-Language
attacks	O
or	O
other	O
vulnerabilities	O
.	O
</s>
<s>
SVG	B-Application
has	O
been	O
in	O
development	O
within	O
the	O
World	O
Wide	O
Web	O
Consortium	O
(	O
W3C	O
)	O
since	O
1999	O
after	O
six	O
competing	O
proposals	O
for	O
vector	O
graphics	O
languages	O
had	O
been	O
submitted	O
to	O
the	O
consortium	O
during	O
1998	O
(	O
see	O
below	O
)	O
.	O
</s>
<s>
The	O
early	O
SVG	B-Application
Working	O
Group	O
decided	O
not	O
to	O
develop	O
any	O
of	O
the	O
commercial	O
submissions	O
,	O
but	O
to	O
create	O
a	O
new	O
markup	O
language	O
that	O
was	O
informed	O
by	O
but	O
not	O
really	O
based	O
on	O
any	O
of	O
them	O
.	O
</s>
<s>
SVG	B-Application
allows	O
three	O
types	O
of	O
graphic	O
objects	O
:	O
vector	O
graphic	O
shapes	O
(	O
such	O
as	O
paths	O
consisting	O
of	O
straight	O
lines	O
and	O
curves	O
)	O
,	O
bitmap	O
images	O
,	O
and	O
text	O
.	O
</s>
<s>
The	O
feature	O
set	O
includes	O
nested	O
transformations	B-Algorithm
,	O
clipping	O
paths	O
,	O
alpha	B-Algorithm
masks	I-Algorithm
,	O
filter	B-Application
effects	I-Application
and	O
template	O
objects	O
.	O
</s>
<s>
SVG	B-Application
drawings	O
can	O
be	O
interactive	B-General_Concept
and	O
can	O
include	O
animation	O
,	O
defined	O
in	O
the	O
SVG	B-Application
XML	B-Protocol
elements	B-General_Concept
or	O
via	O
scripting	B-Language
that	O
accesses	O
the	O
SVG	B-Application
Document	B-General_Concept
Object	I-General_Concept
Model	I-General_Concept
(	O
DOM	B-General_Concept
)	O
.	O
</s>
<s>
SVG	B-Application
uses	O
CSS	B-Language
for	O
styling	O
and	O
JavaScript	B-Language
for	O
scripting	B-Language
.	O
</s>
<s>
Text	O
,	O
including	O
internationalization	B-General_Concept
and	I-General_Concept
localization	I-General_Concept
,	O
appearing	O
in	O
plain	O
text	O
within	O
the	O
SVG	B-Application
DOM	B-General_Concept
,	O
enhances	O
the	O
accessibility	O
of	O
SVG	B-Application
graphics	O
.	O
</s>
<s>
The	O
SVG	B-Application
specification	O
was	O
updated	O
to	O
version	O
1.1	O
in	O
2011	O
.	O
</s>
<s>
There	O
are	O
two	O
'	O
Mobile	O
SVG	B-Application
Profiles	O
,	O
'	O
SVG	B-Application
Tiny	O
and	O
SVG	B-Application
Basic	I-Application
,	O
meant	O
for	O
mobile	B-Application
devices	I-Application
with	O
reduced	O
computational	O
and	O
display	O
capabilities	O
.	O
</s>
<s>
Scalable	B-Application
Vector	I-Application
Graphics	I-Application
2	O
became	O
a	O
W3C	O
Candidate	O
Recommendation	O
on	O
15	O
September	O
2016	O
.	O
</s>
<s>
SVG	B-Application
2	O
incorporates	O
several	O
new	O
features	O
in	O
addition	O
to	O
those	O
of	O
SVG	B-Application
1.1	O
and	O
SVG	B-Application
Tiny	O
1.2	O
.	O
</s>
<s>
Though	O
the	O
SVG	B-Application
Specification	O
primarily	O
focuses	O
on	O
vector	O
graphics	O
markup	O
language	O
,	O
its	O
design	O
includes	O
the	O
basic	O
capabilities	O
of	O
a	O
page	O
description	O
language	O
like	O
Adobe	O
's	O
PDF	B-Application
.	O
</s>
<s>
It	O
contains	O
provisions	O
for	O
rich	O
graphics	O
,	O
and	O
is	O
compatible	O
with	O
CSS	B-Language
for	O
styling	O
purposes	O
.	O
</s>
<s>
SVG	B-Application
has	O
the	O
information	O
needed	O
to	O
place	O
each	O
glyph	B-Application
and	O
image	O
in	O
a	O
chosen	O
location	O
on	O
a	O
printed	O
page	O
.	O
</s>
<s>
SVG	B-Application
drawings	O
can	O
be	O
dynamic	O
and	O
interactive	B-General_Concept
.	O
</s>
<s>
Time-based	O
modifications	O
to	O
the	O
elements	B-General_Concept
can	O
be	O
described	O
in	O
SMIL	B-Language
,	O
or	O
can	O
be	O
programmed	O
in	O
a	O
scripting	B-Language
language	I-Language
(	O
e.g.	O
</s>
<s>
JavaScript	B-Language
)	O
.	O
</s>
<s>
The	O
W3C	O
explicitly	O
recommends	O
SMIL	B-Language
as	O
the	O
standard	O
for	O
animation	O
in	O
SVG	B-Application
.	O
</s>
<s>
A	O
rich	O
set	O
of	O
event	O
handlers	O
such	O
as	O
"	O
onmouseover	O
"	O
and	O
"	O
onclick	O
"	O
can	O
be	O
assigned	O
to	O
any	O
SVG	B-Application
graphical	O
object	O
to	O
apply	O
actions	O
and	O
events	O
.	O
</s>
<s>
SVG	B-Application
images	O
,	O
being	O
XML	B-Protocol
,	O
contain	O
many	O
repeated	O
fragments	O
of	O
text	O
,	O
so	O
they	O
are	O
well	O
suited	O
for	O
lossless	O
data	B-General_Concept
compression	I-General_Concept
algorithms	I-General_Concept
.	O
</s>
<s>
When	O
an	O
SVG	B-Application
image	O
has	O
been	O
compressed	B-General_Concept
with	O
the	O
gzip	B-Application
algorithm	O
,	O
it	O
is	O
referred	O
to	O
as	O
an	O
"	O
SVGZ	B-Application
"	O
image	O
and	O
uses	O
the	O
corresponding	O
.svgz	O
filename	O
extension	O
.	O
</s>
<s>
Conforming	O
SVG	B-Application
1.1	O
viewers	O
will	O
display	O
compressed	B-General_Concept
images	O
.	O
</s>
<s>
An	O
SVGZ	B-Application
file	O
is	O
typically	O
20	O
to	O
50	O
percent	O
of	O
the	O
original	O
size	O
.	O
</s>
<s>
W3C	O
provides	O
SVGZ	B-Application
files	O
to	O
test	O
for	O
conformance	O
.	O
</s>
<s>
SVG	B-Application
was	O
developed	O
by	O
the	O
W3C	O
SVG	B-Application
Working	O
Group	O
starting	O
in	O
1998	O
,	O
after	O
six	O
competing	O
vector	O
graphics	O
submissions	O
were	O
received	O
that	O
year	O
:	O
</s>
<s>
SVG	B-Application
1.0	O
became	O
a	O
W3C	O
Recommendation	O
on	O
4	O
September	O
2001	O
.	O
</s>
<s>
SVG	B-Application
1.1	O
became	O
a	O
W3C	O
Recommendation	O
on	O
14	O
January	O
2003	O
.	O
</s>
<s>
The	O
SVG	B-Application
1.1	O
specification	O
is	O
modularized	O
in	O
order	O
to	O
allow	O
subsets	O
to	O
be	O
defined	O
as	O
profiles	O
.	O
</s>
<s>
Apart	O
from	O
this	O
,	O
there	O
is	O
very	O
little	O
difference	O
between	O
SVG	B-Application
1.1	O
and	O
SVG	B-Application
1.0	O
.	O
</s>
<s>
SVG	B-Application
Tiny	O
and	O
SVG	B-Application
Basic	I-Application
(	O
the	O
Mobile	O
SVG	B-Application
Profiles	O
)	O
became	O
W3C	O
Recommendations	O
on	O
14	O
January	O
2003	O
.	O
</s>
<s>
These	O
are	O
described	O
as	O
profiles	O
of	O
SVG	B-Application
1.1	O
.	O
</s>
<s>
SVG	B-Application
Tiny	O
1.2	O
became	O
a	O
W3C	O
Recommendation	O
on	O
22	O
December	O
2008	O
.	O
</s>
<s>
It	O
was	O
initially	O
drafted	O
as	O
a	O
profile	O
of	O
the	O
planned	O
SVG	B-Application
Full	O
1.2	O
(	O
which	O
has	O
since	O
been	O
dropped	O
in	O
favor	O
of	O
SVG	B-Application
2	O
)	O
,	O
but	O
was	O
later	O
refactored	O
as	O
a	O
standalone	O
specification	O
.	O
</s>
<s>
SVG	B-Application
1.1	O
Second	O
Edition	O
,	O
which	O
includes	O
all	O
the	O
errata	O
and	O
clarifications	O
,	O
but	O
no	O
new	O
features	O
to	O
the	O
original	O
SVG	B-Application
1.1	O
was	O
released	O
on	O
16	O
August	O
2011	O
.	O
</s>
<s>
SVG	B-Application
Tiny	O
1.2	O
Portable/Secure	O
,	O
A	O
more	O
secure	O
subset	O
of	O
the	O
SVG	B-Application
Tiny	O
1.2	O
profile	O
introduced	O
as	O
an	O
IETF	O
draft	O
standard	O
on	O
29	O
July	O
2020	O
.	O
</s>
<s>
Also	O
known	O
as	O
SVG	B-Application
Tiny	O
P/S	O
.	O
</s>
<s>
SVG	B-Application
Tiny	O
1.2	O
Portable/Secure	O
is	O
a	O
requirement	O
of	O
the	O
BIMI	O
draft	O
standard	O
.	O
</s>
<s>
SVG	B-Application
2	O
removes	O
or	O
deprecates	O
some	O
features	O
of	O
SVG	B-Application
1.1	O
and	O
incorporates	O
new	O
features	O
from	O
HTML5	B-Application
and	O
Web	O
Open	O
Font	O
Format	O
:	O
</s>
<s>
For	O
example	O
,	O
SVG	B-Application
2	O
removes	O
several	O
font	O
elements	B-General_Concept
such	O
as	O
glyph	B-Application
and	O
altGlyph	O
(	O
replaced	O
by	O
the	O
WOFF	O
font	O
format	O
)	O
.	O
</s>
<s>
The	O
xml:space	O
attribute	O
is	O
deprecated	O
in	O
favor	O
of	O
CSS	B-Language
.	O
</s>
<s>
HTML5	B-Application
features	O
such	O
as	O
translate	O
and	O
data-*	O
attributes	O
have	O
been	O
added	O
.	O
</s>
<s>
Text	O
handling	O
features	O
from	O
SVG	B-Application
Tiny	O
1.2	O
are	O
annotated	O
as	O
to	O
be	O
included	O
,	O
but	O
not	O
yet	O
formalized	O
in	O
text	O
.	O
</s>
<s>
Some	O
other	O
1.2	O
features	O
are	O
cherry	O
picked	O
in	O
,	O
but	O
SVG	B-Application
2	O
is	O
not	O
a	O
superset	O
of	O
SVG	B-Application
tiny	O
1.2	O
in	O
general	O
.	O
</s>
<s>
SVG	B-Application
2	O
reached	O
the	O
Candidate	O
Recommendation	O
stage	O
on	O
15	O
September	O
2016	O
,	O
and	O
revised	O
versions	O
were	O
published	O
on	O
7	O
August	O
2018	O
and	O
4	O
October	O
2018	O
.	O
</s>
<s>
Because	O
of	O
industry	O
demand	O
,	O
two	O
mobile	O
profiles	O
were	O
introduced	O
with	O
SVG	B-Application
1.1	O
:	O
SVG	B-Application
Tiny	O
(	O
SVGT	O
)	O
and	O
SVG	B-Application
Basic	I-Application
(	O
SVGB	O
)	O
.	O
</s>
<s>
These	O
are	O
subsets	O
of	O
the	O
full	O
SVG	B-Application
standard	O
,	O
mainly	O
intended	O
for	O
user	B-Protocol
agents	I-Protocol
with	O
limited	O
capabilities	O
.	O
</s>
<s>
In	O
particular	O
,	O
SVG	B-Application
Tiny	O
was	O
defined	O
for	O
highly	O
restricted	O
mobile	B-Application
devices	I-Application
such	O
as	O
cellphones	O
;	O
it	O
does	O
not	O
support	O
styling	O
or	O
scripting	B-Language
.	O
</s>
<s>
SVG	B-Application
Basic	I-Application
was	O
defined	O
for	O
higher-level	O
mobile	B-Application
devices	I-Application
,	O
such	O
as	O
smartphones	B-Application
.	O
</s>
<s>
In	O
2003	O
,	O
the	O
3GPP	O
,	O
an	O
international	O
telecommunications	O
standards	O
group	O
,	O
adopted	O
SVG	B-Application
Tiny	O
as	O
the	O
mandatory	O
vector	O
graphics	O
media	O
format	O
for	O
next-generation	O
phones	O
.	O
</s>
<s>
It	O
was	O
later	O
added	O
as	O
required	O
format	O
for	O
vector	O
graphics	O
in	O
3GPP	O
IP	B-Protocol
Multimedia	I-Protocol
Subsystem	I-Protocol
(	O
IMS	O
)	O
.	O
</s>
<s>
Neither	O
mobile	O
profile	O
includes	O
support	O
for	O
the	O
full	O
Document	B-General_Concept
Object	I-General_Concept
Model	I-General_Concept
(	O
DOM	B-General_Concept
)	O
,	O
while	O
only	O
SVG	B-Application
Basic	I-Application
has	O
optional	O
support	O
for	O
scripting	B-Language
,	O
but	O
because	O
they	O
are	O
fully	O
compatible	O
subsets	O
of	O
the	O
full	O
standard	O
,	O
most	O
SVG	B-Application
graphics	O
can	O
still	O
be	O
rendered	O
by	O
devices	O
which	O
only	O
support	O
the	O
mobile	O
profiles	O
.	O
</s>
<s>
SVGT	O
1.2	O
adds	O
a	O
microDOM	O
( μDOM	O
)	O
,	O
styling	O
and	O
scripting	B-Language
.	O
</s>
<s>
The	O
MPEG-4	O
Part	O
20	O
standard	O
-	O
Lightweight	O
Application	O
Scene	O
Representation	O
(	O
LASeR	O
)	O
and	O
Simple	O
Aggregation	O
Format	O
(	O
SAF	O
)	O
is	O
based	O
on	O
SVG	B-Application
Tiny	O
.	O
</s>
<s>
SVG	B-Application
capabilities	O
are	O
enhanced	O
in	O
MPEG-4	O
Part	O
20	O
with	O
key	O
features	O
for	O
mobile	O
services	O
,	O
such	O
as	O
dynamic	O
updates	O
,	O
binary	O
encoding	O
,	O
state-of-art	O
font	O
representation	O
.	O
</s>
<s>
SVG	B-Application
was	O
also	O
accommodated	O
in	O
MPEG-4	O
Part	O
11	O
,	O
in	O
the	O
Extensible	O
MPEG-4	O
Textual	O
(	O
XMT	O
)	O
format	O
-	O
a	O
textual	O
representation	O
of	O
the	O
MPEG-4	O
multimedia	O
content	O
using	O
XML	B-Protocol
.	O
</s>
<s>
The	O
SVG	B-Application
1.1	O
specification	O
defines	O
14	O
functional	O
areas	O
or	O
feature	O
sets	O
:	O
</s>
<s>
Rectangles	O
and	O
round-cornered	O
rectangles	O
are	O
also	O
standard	O
elements	B-General_Concept
.	O
</s>
<s>
Unicode	O
character	O
text	O
included	O
in	O
an	O
SVG	B-Application
file	I-Application
is	O
expressed	O
as	O
XML	B-Protocol
character	O
data	O
.	O
</s>
<s>
Many	O
visual	O
effects	O
are	O
possible	O
,	O
and	O
the	O
SVG	B-Application
specification	O
automatically	O
handles	O
bidirectional	O
text	O
(	O
for	O
composing	O
a	O
combination	O
of	O
English	O
and	O
Arabic	O
text	O
,	O
for	O
example	O
)	O
,	O
vertical	O
text	O
(	O
as	O
Chinese	O
or	O
Japanese	O
may	O
be	O
written	O
)	O
and	O
characters	O
along	O
a	O
curved	O
path	O
(	O
such	O
as	O
the	O
text	O
around	O
the	O
edge	O
of	O
the	O
Great	O
Seal	O
of	O
the	O
United	O
States	O
)	O
.	O
</s>
<s>
SVG	B-Application
shapes	O
can	O
be	O
filled	O
and	O
outlined	O
(	O
painted	O
with	O
a	O
color	O
,	O
a	O
gradient	B-Algorithm
,	O
or	O
a	O
pattern	O
)	O
.	O
</s>
<s>
Colors	O
can	O
be	O
applied	O
to	O
all	O
visible	O
SVG	B-Application
elements	B-General_Concept
,	O
either	O
directly	O
or	O
via	O
fill	O
,	O
stroke	O
,	O
and	O
other	O
properties	O
.	O
</s>
<s>
Colors	O
are	O
specified	O
in	O
the	O
same	O
way	O
as	O
in	O
CSS2	B-Language
,	O
i.e.	O
</s>
<s>
SVG	B-Application
shapes	O
can	O
be	O
filled	O
or	O
outlined	O
with	O
solid	O
colors	O
as	O
above	O
,	O
or	O
with	O
color	O
gradients	O
or	O
with	O
repeating	O
patterns	O
.	O
</s>
<s>
Patterns	O
are	O
based	O
on	O
predefined	O
raster	B-Algorithm
or	O
vector	O
graphic	O
objects	O
,	O
which	O
can	O
be	O
repeated	O
in	O
x	O
and	O
y	O
directions	O
.	O
</s>
<s>
Gradients	O
and	O
patterns	O
can	O
be	O
animated	O
and	O
scripted	B-Language
.	O
</s>
<s>
Since	O
2008	O
,	O
there	O
has	O
been	O
discussion	O
among	O
professional	O
users	O
of	O
SVG	B-Application
that	O
either	O
gradient	B-Algorithm
meshes	O
or	O
preferably	O
diffusion	O
curves	O
could	O
usefully	O
be	O
added	O
to	O
the	O
SVG	B-Application
specification	O
.	O
</s>
<s>
It	O
is	O
said	O
that	O
a	O
"	O
simple	O
representation	O
[	O
using	O
diffusion	O
curves ]	O
is	O
capable	O
of	O
representing	O
even	O
very	O
subtle	O
shading	O
effects	O
"	O
and	O
that	O
"	O
Diffusion	O
curve	O
images	O
are	O
comparable	O
both	O
in	O
quality	O
and	O
coding	O
efficiency	O
with	O
gradient	B-Algorithm
meshes	O
,	O
but	O
are	O
simpler	O
to	O
create	O
(	O
according	O
to	O
several	O
artists	O
who	O
have	O
used	O
both	O
tools	O
)	O
,	O
and	O
can	O
be	O
captured	O
from	O
bitmaps	O
fully	O
automatically.	O
"	O
</s>
<s>
The	O
current	O
draft	O
of	O
SVG	B-Application
2	O
includes	O
gradient	B-Algorithm
meshes	O
.	O
</s>
<s>
Graphic	O
elements	B-General_Concept
,	O
including	O
text	O
,	O
paths	O
,	O
basic	O
shapes	O
and	O
combinations	O
of	O
these	O
,	O
can	O
be	O
used	O
as	O
outlines	O
to	O
define	O
both	O
inside	O
and	O
outside	O
regions	O
that	O
can	O
be	O
painted	O
(	O
with	O
colors	O
,	O
gradients	O
and	O
patterns	O
)	O
independently	O
.	O
</s>
<s>
Fully	O
opaque	O
clipping	O
paths	O
and	O
semi-transparent	O
masks	O
are	O
composited	O
together	O
to	O
calculate	O
the	O
color	O
and	O
opacity	O
of	O
every	O
pixel	O
of	O
the	O
final	O
image	O
,	O
using	O
alpha	B-Algorithm
blending	I-Algorithm
.	O
</s>
<s>
A	O
filter	B-Application
effect	I-Application
consists	O
of	O
a	O
series	O
of	O
graphics	O
operations	O
that	O
are	O
applied	O
to	O
a	O
given	O
source	O
vector	O
graphic	O
to	O
produce	O
a	O
modified	O
bitmapped	B-Algorithm
result	O
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
interact	O
with	O
users	O
in	O
many	O
ways	O
.	O
</s>
<s>
In	O
addition	O
to	O
hyperlinks	O
as	O
mentioned	O
below	O
,	O
any	O
part	O
of	O
an	O
SVG	B-Application
image	O
can	O
be	O
made	O
receptive	O
to	O
user	O
interface	O
events	O
such	O
as	O
changes	O
in	O
focus	B-Application
,	O
mouse	O
clicks	O
,	O
scrolling	O
or	O
zooming	O
the	O
image	O
and	O
other	O
pointer	O
,	O
keyboard	O
and	O
document	O
events	O
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
contain	O
hyperlinks	O
to	O
other	O
documents	O
,	O
using	O
XLink	O
.	O
</s>
<s>
Through	O
the	O
use	O
of	O
the	O
<view>	O
element	O
or	O
a	O
fragment	O
identifier	O
,	O
URLs	O
can	O
link	O
to	O
SVG	B-Application
files	I-Application
that	O
change	O
the	O
visible	O
area	O
of	O
the	O
document	O
.	O
</s>
<s>
XLink	O
support	O
in	O
combination	O
with	O
the	O
<use>	O
element	O
also	O
allow	O
linking	O
to	O
and	O
re-using	O
internal	O
and	O
external	O
elements	B-General_Concept
.	O
</s>
<s>
All	O
aspects	O
of	O
an	O
SVG	B-Application
document	O
can	O
be	O
accessed	O
and	O
manipulated	O
using	O
scripts	O
in	O
a	O
similar	O
way	O
to	O
HTML	B-Language
.	O
</s>
<s>
The	O
default	O
scripting	B-Language
language	I-Language
is	O
JavaScript	B-Language
and	O
there	O
are	O
defined	O
Document	B-General_Concept
Object	I-General_Concept
Model	I-General_Concept
(	O
DOM	B-General_Concept
)	O
objects	O
for	O
every	O
SVG	B-Application
element	O
and	O
attribute	O
.	O
</s>
<s>
Scripts	O
are	O
enclosed	O
in	O
<script>	O
elements	B-General_Concept
.	O
</s>
<s>
SVG	B-Application
content	O
can	O
be	O
animated	O
using	O
the	O
built-in	O
animation	O
elements	B-General_Concept
such	O
as	O
<animate>, <animateMotion> and <animateColor>	O
.	O
</s>
<s>
Content	O
can	O
be	O
animated	O
by	O
manipulating	O
the	B-General_Concept
DOM	I-General_Concept
using	O
ECMAScript	O
and	O
the	O
scripting	B-Language
language	I-Language
's	O
built-in	O
timers	O
.	O
</s>
<s>
SVG	B-Application
animation	O
has	O
been	O
designed	O
to	O
be	O
compatible	O
with	O
current	O
and	O
future	O
versions	O
of	O
Synchronized	B-Language
Multimedia	I-Language
Integration	I-Language
Language	I-Language
(	O
SMIL	B-Language
)	O
.	O
</s>
<s>
As	O
with	O
HTML	B-Language
and	O
CSS	B-Language
,	O
text	O
in	O
SVG	B-Application
may	O
reference	O
external	O
font	O
files	O
,	O
such	O
as	O
system	O
fonts	O
.	O
</s>
<s>
If	O
the	O
required	O
font	O
files	O
do	O
not	O
exist	O
on	O
the	O
machine	O
where	O
the	O
SVG	B-Application
file	I-Application
is	O
rendered	O
,	O
the	O
text	O
may	O
not	O
appear	O
as	O
intended	O
.	O
</s>
<s>
To	O
overcome	O
this	O
limitation	O
,	O
text	O
can	O
be	O
displayed	O
in	O
an	O
SVG	B-Application
font	O
,	O
where	O
the	O
required	O
glyphs	B-Application
are	O
defined	O
in	O
SVG	B-Application
as	O
a	O
font	O
that	O
is	O
then	O
referenced	O
from	O
the	O
<text>	O
element	O
.	O
</s>
<s>
In	O
accord	O
with	O
the	O
W3C	O
's	O
Semantic	O
Web	O
initiative	O
,	O
SVG	B-Application
allows	O
authors	O
to	O
provide	O
metadata	O
about	O
SVG	B-Application
content	O
.	O
</s>
<s>
In	O
addition	O
,	O
SVG	B-Application
defines	O
<title> and <desc>	O
elements	B-General_Concept
where	O
authors	O
may	O
also	O
provide	O
plain-text	O
descriptive	O
material	O
within	O
an	O
SVG	B-Application
image	O
to	O
help	O
indexing	O
,	O
searching	O
and	O
retrieval	O
by	O
a	O
number	O
of	O
means	O
.	O
</s>
<s>
An	O
SVG	B-Application
document	O
can	O
define	O
components	O
including	O
shapes	O
,	O
gradients	O
etc.	O
,	O
and	O
use	O
them	O
repeatedly	O
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
also	O
contain	O
raster	B-Algorithm
graphics	I-Algorithm
,	O
such	O
as	O
PNG	O
and	O
JPEG	O
images	O
,	O
and	O
further	O
SVG	B-Application
images	O
.	O
</s>
<s>
The	O
use	O
of	O
SVG	B-Application
on	O
the	O
web	O
was	O
limited	O
by	O
the	O
lack	O
of	O
support	O
in	O
older	O
versions	O
of	O
Internet	B-Application
Explorer	I-Application
(	O
IE	O
)	O
.	O
</s>
<s>
Many	O
websites	O
that	O
serve	O
SVG	B-Application
images	O
also	O
provide	O
the	O
images	O
in	O
a	O
raster	B-Algorithm
format	I-Algorithm
,	O
either	O
automatically	O
by	O
HTTP	B-Protocol
content	B-Protocol
negotiation	I-Protocol
or	O
by	O
allowing	O
the	O
user	O
directly	O
to	O
choose	O
the	O
file	O
.	O
</s>
<s>
Google	B-Application
announced	O
on	O
31	O
August	O
2010	O
that	O
it	O
had	O
started	O
to	O
index	O
SVG	B-Application
content	O
on	O
the	O
web	O
,	O
whether	O
it	O
is	O
in	O
standalone	O
files	O
or	O
embedded	B-Architecture
in	O
HTML	B-Language
,	O
and	O
that	O
users	O
would	O
begin	O
to	O
see	O
such	O
content	O
listed	O
among	O
their	O
search	O
results	O
.	O
</s>
<s>
It	O
was	O
announced	O
on	O
8	O
December	O
2010	O
that	O
Google	B-Application
Image	I-Application
Search	I-Application
would	O
also	O
begin	O
indexing	O
SVG	B-Application
files	I-Application
.	O
</s>
<s>
The	O
site	O
announced	O
an	O
option	O
to	O
restrict	O
image	O
searches	O
to	O
SVG	B-Application
files	I-Application
on	O
11	O
February	O
2011	O
.	O
</s>
<s>
Konqueror	B-Application
was	O
the	O
first	O
browser	B-Application
to	O
support	O
SVG	B-Application
in	O
release	O
version	O
3.2	O
in	O
February	O
2004	O
.	O
</s>
<s>
As	O
of	O
2011	O
,	O
all	O
major	O
desktop	O
browsers	B-Application
,	O
and	O
many	O
minor	O
ones	O
,	O
have	O
some	O
level	O
of	O
SVG	B-Application
support	O
.	O
</s>
<s>
Other	O
browsers	B-Application
 '	O
implementations	O
are	O
not	O
yet	O
complete	O
;	O
see	O
comparison	O
of	O
layout	B-Protocol
engines	I-Protocol
for	O
further	O
details	O
.	O
</s>
<s>
Some	O
earlier	O
versions	O
of	O
Firefox	B-Application
(	O
e.g.	O
</s>
<s>
versions	O
between	O
1.5	O
and	O
3.6	O
)	O
,	O
as	O
well	O
as	O
a	O
smattering	O
of	O
other	O
now-outdated	O
web	B-Application
browsers	I-Application
capable	O
of	O
displaying	O
SVG	B-Application
graphics	O
,	O
needed	O
them	O
embedded	B-Architecture
in	O
<object> or <iframe> elements to display them integrated as parts of an HTML webpage instead of using the standard way of integrating images with <img>	O
.	O
</s>
<s>
However	O
,	O
SVG	B-Application
images	O
may	O
be	O
included	O
in	O
XHTML	O
pages	O
using	O
XML	B-Language
namespaces	I-Language
.	O
</s>
<s>
Tim	O
Berners-Lee	O
,	O
the	O
inventor	O
of	O
the	O
World	O
Wide	O
Web	O
,	O
was	O
critical	O
of	O
early	O
versions	O
of	O
Internet	B-Application
Explorer	I-Application
for	O
its	O
failure	O
to	O
support	O
SVG	B-Application
.	O
</s>
<s>
Opera	B-Application
(	O
since	O
8.0	O
)	O
has	O
support	O
for	O
the	O
SVG	B-Application
1.1	O
Tiny	O
specification	O
,	O
while	O
Opera	B-Application
9	O
includes	O
SVG	B-Application
1.1	O
Basic	O
support	O
and	O
some	O
of	O
SVG	B-Application
1.1	O
Full	O
.	O
</s>
<s>
Opera	B-Application
9.5	O
has	O
partial	O
SVG	B-Application
Tiny	O
1.2	O
support	O
.	O
</s>
<s>
It	O
also	O
supports	O
SVGZ	B-Application
(	O
compressed	B-General_Concept
SVG	B-Application
)	O
.	O
</s>
<s>
Browsers	B-Application
based	O
on	O
the	O
Gecko	B-Language
layout	I-Language
engine	I-Language
(	O
such	O
as	O
Firefox	B-Application
,	O
Flock	B-Protocol
,	O
Camino	B-Language
,	O
and	O
SeaMonkey	B-Language
)	O
all	O
have	O
had	O
incomplete	O
support	O
for	O
the	O
SVG	B-Application
1.1	O
Full	O
specification	O
since	O
2005	O
.	O
</s>
<s>
The	O
Mozilla	B-Operating_System
site	O
has	O
an	O
overview	O
of	O
the	O
modules	O
which	O
are	O
supported	O
in	O
Firefox	B-Application
and	O
of	O
the	O
modules	O
which	O
are	O
in	O
development	O
.	O
</s>
<s>
Gecko	B-Language
1.9	I-Language
,	O
included	O
in	O
Firefox	B-Language
3.0	I-Language
,	O
adds	O
support	O
for	O
more	O
of	O
the	O
SVG	B-Application
specification	O
(	O
including	O
filters	O
)	O
.	O
</s>
<s>
Pale	B-Protocol
Moon	I-Protocol
,	O
which	O
uses	O
the	O
Goanna	B-Language
layout	I-Language
engine	I-Language
(	O
a	O
fork	O
of	O
the	O
Gecko	B-Language
engine	I-Language
)	O
,	O
supports	O
SVG	B-Application
.	O
</s>
<s>
Browsers	B-Application
based	O
on	O
WebKit	B-Language
(	O
such	O
as	O
Apple	B-Application
's	I-Application
Safari	I-Application
,	O
Google	B-Application
Chrome	I-Application
,	O
and	O
The	O
Omni	O
Group	O
's	O
OmniWeb	B-Protocol
)	O
have	O
had	O
incomplete	O
support	O
for	O
the	O
SVG	B-Application
1.1	O
Full	O
specification	O
since	O
2006	O
.	O
</s>
<s>
Amaya	B-Language
has	O
partial	O
SVG	B-Application
support	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
8	I-Application
and	O
older	O
versions	O
do	O
not	O
support	O
SVG	B-Application
.	O
</s>
<s>
IE9	O
(	O
released	O
14	O
March	O
2011	O
)	O
supports	O
the	O
basic	O
SVG	B-Application
feature	O
set	O
.	O
</s>
<s>
IE10	O
extended	O
SVG	B-Application
support	O
by	O
adding	O
SVG	B-Application
1.1	O
filters	O
.	O
</s>
<s>
Microsoft	B-Application
Edge	I-Application
Legacy	O
supports	O
SVG	B-Application
1.1	O
.	O
</s>
<s>
The	O
Maxthon	B-Application
Cloud	I-Application
Browser	I-Application
also	O
supports	O
SVG	B-Application
.	O
</s>
<s>
There	O
are	O
several	O
advantages	O
to	O
native	O
and	O
full	O
support	O
:	O
plugins	B-Application
are	O
not	O
needed	O
,	O
SVG	B-Application
can	O
be	O
freely	O
mixed	O
with	O
other	O
content	O
in	O
a	O
single	O
document	O
,	O
and	O
rendering	O
and	O
scripting	B-Language
become	O
considerably	O
more	O
reliable	O
.	O
</s>
<s>
SVG	B-Application
Tiny	O
(	O
SVGT	O
)	O
1.1	O
and	O
1.2	O
are	O
mobile	O
profiles	O
for	O
SVG	B-Application
.	O
</s>
<s>
SVGT	O
1.2	O
includes	O
some	O
features	O
not	O
found	O
in	O
SVG	B-Application
1.1	O
,	O
including	O
non-scaling	O
strokes	O
,	O
which	O
are	O
supported	O
by	O
some	O
SVG	B-Application
1.1	O
implementations	O
,	O
such	O
as	O
Opera	B-Application
,	O
Firefox	B-Application
and	O
WebKit	B-Language
.	O
</s>
<s>
As	O
shared	O
code	O
bases	O
between	O
desktop	O
and	O
mobile	O
browsers	B-Application
increased	O
,	O
the	O
use	O
of	O
SVG	B-Application
1.1	O
over	O
SVGT	O
1.2	O
also	O
increased	O
.	O
</s>
<s>
Support	O
for	O
SVG	B-Application
may	O
be	O
limited	O
to	O
SVGT	O
on	O
older	O
or	O
more	O
limited	O
smart	B-Application
phones	I-Application
or	O
may	O
be	O
primarily	O
limited	O
by	O
their	O
respective	O
operating	O
system	O
.	O
</s>
<s>
Adobe	B-Operating_System
Flash	I-Operating_System
Lite	I-Operating_System
has	O
optionally	O
supported	O
SVG	B-Application
Tiny	O
since	O
version	O
1.1	O
.	O
</s>
<s>
At	O
the	O
SVG	B-Application
Open	O
2005	O
conference	O
,	O
Sun	O
demonstrated	O
a	O
mobile	O
implementation	O
of	O
SVG	B-Application
Tiny	O
1.1	O
for	O
the	O
Connected	B-Language
Limited	I-Language
Device	I-Language
Configuration	I-Language
(	O
CLDC	B-Language
)	O
platform	O
.	O
</s>
<s>
Mobiles	O
that	O
use	O
Opera	B-Language
Mobile	I-Language
,	O
as	O
well	O
as	O
the	O
iPhone	B-Device
's	O
built	O
in	O
browser	B-Application
,	O
also	O
include	O
SVG	B-Application
support	O
.	O
</s>
<s>
However	O
,	O
even	O
though	O
it	O
used	O
the	O
WebKit	B-Language
engine	O
,	O
the	O
Android	B-Application
built-in	O
browser	B-Application
did	O
not	O
support	O
SVG	B-Application
prior	O
to	O
v3.0	O
(	O
Honeycomb	O
)	O
.	O
</s>
<s>
Prior	O
to	O
v3.0	O
,	O
Firefox	B-Application
Mobile	O
4.0b2	O
(	O
beta	O
)	O
for	O
Android	B-Application
was	O
the	O
first	O
browser	B-Application
running	O
under	O
Android	B-Application
to	O
support	O
SVG	B-Application
by	O
default	O
.	O
</s>
<s>
The	O
level	O
of	O
SVG	B-Application
Tiny	O
support	O
available	O
varies	O
from	O
mobile	O
to	O
mobile	O
,	O
depending	O
on	O
the	O
SVG	B-Application
engine	O
installed	O
.	O
</s>
<s>
Many	O
newer	O
mobile	O
products	O
support	O
additional	O
features	O
beyond	O
SVG	B-Application
Tiny	O
1.1	O
,	O
like	O
gradient	B-Algorithm
and	O
opacity	O
;	O
this	O
is	O
sometimes	O
referred	O
to	O
as	O
"	O
SVGT	O
1.1	O
+	O
"	O
,	O
though	O
there	O
is	O
no	O
such	O
standard	O
.	O
</s>
<s>
RIM	O
's	O
BlackBerry	B-Operating_System
has	O
built-in	O
support	O
for	O
SVG	B-Application
Tiny	O
1.1	O
since	O
version	O
5.0	O
.	O
</s>
<s>
Support	O
continues	O
for	O
WebKit-based	O
BlackBerry	B-Operating_System
Torch	O
browser	B-Application
in	O
OS	O
6	O
and	O
7	O
.	O
</s>
<s>
Nokia	O
's	O
S60	B-Language
platform	I-Language
has	O
built-in	O
support	O
for	O
SVG	B-Application
.	O
</s>
<s>
For	O
example	O
,	O
icons	O
are	O
generally	O
rendered	O
using	O
the	O
platform	O
's	O
SVG	B-Application
engine	O
.	O
</s>
<s>
Nokia	O
has	O
also	O
led	O
the	O
JSR	O
226	O
:	O
Scalable	O
2D	O
Vector	O
Graphics	O
API	B-Application
expert	O
group	O
that	O
defines	O
Java	B-Language
ME	I-Language
API	B-Application
for	O
SVG	B-Application
presentation	O
and	O
manipulation	O
.	O
</s>
<s>
This	O
API	B-Application
has	O
been	O
implemented	O
in	O
S60	B-Language
Platform	I-Language
3rd	O
Edition	O
Feature	O
Pack	O
1	O
and	O
onward	O
.	O
</s>
<s>
Some	O
Series	B-Operating_System
40	I-Operating_System
phones	I-Operating_System
also	O
support	O
SVG	B-Application
(	O
such	O
as	O
Nokia	O
6280	O
)	O
.	O
</s>
<s>
Most	O
Sony	O
Ericsson	O
phones	O
beginning	O
with	O
K700	O
(	O
by	O
release	O
date	O
)	O
support	O
SVG	B-Application
Tiny	O
1.1	O
.	O
</s>
<s>
Phones	O
with	O
Sony	B-Language
Ericsson	I-Language
Java	I-Language
Platform-8	I-Language
have	O
support	O
for	O
JSR	O
226	O
.	O
</s>
<s>
Windows	B-Protocol
Phone	I-Protocol
has	O
supported	O
SVG	B-Application
since	O
version	O
7.5	O
.	O
</s>
<s>
SVG	B-Application
is	O
also	O
supported	O
on	O
various	O
mobile	B-Application
devices	I-Application
from	O
Motorola	O
,	O
Samsung	B-Application
,	O
LG	O
,	O
and	O
Siemens	O
mobile/BenQ	O
-Siemens	O
.	O
</s>
<s>
eSVG	O
,	O
an	O
SVG	B-Application
rendering	O
library	B-Library
mainly	O
written	O
for	O
embedded	B-Architecture
devices	I-Architecture
,	O
is	O
available	O
on	O
some	O
mobile	B-Application
platforms	I-Application
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
be	O
produced	O
by	O
the	O
use	O
of	O
a	O
vector	B-Application
graphics	I-Application
editor	I-Application
,	O
such	O
as	O
Inkscape	B-Application
,	O
Adobe	B-Language
Illustrator	I-Language
,	O
Adobe	B-Operating_System
Flash	I-Operating_System
Professional	I-Operating_System
,	O
or	O
CorelDRAW	B-Application
,	O
and	O
rendered	O
to	O
common	O
raster	B-Algorithm
image	I-Algorithm
formats	O
such	O
as	O
PNG	O
using	O
the	O
same	O
software	O
.	O
</s>
<s>
Additionally	O
,	O
editors	O
like	O
Inkscape	B-Application
and	O
Boxy	B-Operating_System
SVG	I-Operating_System
provide	O
tools	O
to	O
trace	O
raster	B-Algorithm
images	I-Algorithm
to	O
Bézier	O
curves	O
typically	O
using	O
image	O
tracing	O
back-ends	O
like	O
potrace	B-Application
,	O
autotrace	O
,	O
and	O
imagetracerjs	O
.	O
</s>
<s>
Software	O
can	O
be	O
programmed	O
to	O
render	O
SVG	B-Application
images	O
by	O
using	O
a	O
library	B-Library
such	O
as	O
librsvg	B-Language
used	O
by	O
GNOME	B-Application
since	O
2000	O
,	O
Batik	B-Language
and	O
ThorVG	O
since	O
2020	O
for	O
lightweight	O
systems	O
.	O
</s>
<s>
SVG	B-Application
images	O
can	O
also	O
be	O
rendered	O
to	O
any	O
desired	O
popular	O
image	O
format	O
by	O
using	O
ImageMagick	B-Language
,	O
a	O
free	O
command-line	O
utility	O
(	O
which	O
also	O
uses	O
librsvg	B-Language
under	O
the	O
hood	O
)	O
.	O
</s>
<s>
For	O
web-based	O
applications	O
,	O
the	O
mode	O
of	O
usage	O
termed	O
Inline	O
SVG	B-Application
allows	O
SVG	B-Application
content	O
to	O
be	O
embedded	B-Architecture
within	O
an	O
HTML	B-Language
document	O
using	O
an	O
<svg>	O
tag	B-General_Concept
.	O
</s>
<s>
Its	O
graphical	O
capabilities	O
can	O
then	O
be	O
employed	O
to	O
create	O
sophisticated	O
user	O
interfaces	O
as	O
the	O
SVG	B-Application
and	O
HTML	B-Language
share	O
context	O
,	O
event	O
handling	O
,	O
and	O
CSS	B-Language
.	O
</s>
<s>
Other	O
uses	O
for	O
SVG	B-Application
include	O
embedding	O
for	O
use	O
in	O
word	B-General_Concept
processing	I-General_Concept
(	O
e.g.	O
</s>
<s>
with	O
LibreOffice	B-Application
)	O
and	O
desktop	O
publishing	O
(	O
e.g.	O
</s>
<s>
Scribus	B-Application
)	O
,	O
plotting	B-Application
graphs	I-Application
(	O
e.g.	O
</s>
<s>
gnuplot	B-Application
)	O
,	O
and	O
importing	O
paths	O
(	O
e.g.	O
</s>
<s>
for	O
use	O
in	O
GIMP	B-Application
or	O
Blender	B-Application
)	O
.	O
</s>
<s>
The	O
application	O
services	O
Microsoft	B-Operating_System
365	I-Operating_System
and	O
Microsoft	B-Operating_System
Office	I-Operating_System
2019	I-Operating_System
offer	O
support	O
for	O
exporting	O
,	O
importing	O
and	O
editing	O
SVG	B-Application
images	O
.	O
</s>
<s>
The	O
Uniform	B-Operating_System
Type	I-Operating_System
Identifier	I-Operating_System
for	O
SVG	B-Application
used	O
by	O
Apple	O
is	O
public.svg-image	O
and	O
conforms	O
to	O
public.image	O
and	O
public.xml	O
.	O
</s>
<s>
It	O
is	O
common	O
to	O
see	O
SVG	B-Application
described	O
as	O
an	O
image	O
format	O
,	O
but	O
it	O
is	O
actually	O
a	O
document	O
format	O
,	O
similar	O
to	O
HTML	B-Language
documents	O
,	O
and	O
so	O
can	O
host	O
script	O
or	O
CSS	B-Language
.	O
</s>
<s>
This	O
is	O
an	O
issue	O
when	O
an	O
attacker	O
can	O
upload	O
a	O
SVG	B-Application
file	I-Application
to	O
a	O
website	O
,	O
such	O
as	O
a	O
profile	O
picture	O
,	O
and	O
the	O
file	O
is	O
treated	O
as	O
a	O
normal	O
picture	O
but	O
contains	O
malicious	O
content	O
.	O
</s>
<s>
For	O
instance	O
,	O
if	O
an	O
SVG	B-Application
file	I-Application
is	O
deployed	O
as	O
a	O
CSS	B-Language
background	O
image	O
,	O
or	O
a	O
logo	O
on	O
some	O
website	O
,	O
or	O
in	O
some	O
image	O
gallery	O
,	O
then	O
when	O
the	O
image	O
is	O
loaded	O
in	O
a	O
browser	B-Application
it	O
activates	O
a	O
script	O
or	O
other	O
content	O
.	O
</s>
<s>
This	O
could	O
lock	O
up	O
the	O
browser	B-Application
(	O
the	O
Billion	O
laughs	O
attack	O
)	O
,	O
but	O
could	O
also	O
lead	O
to	O
HTML	B-Language
injection	O
and	O
cross-site	O
scripting	B-Language
attacks	O
.	O
</s>
<s>
The	O
W3C	O
therefore	O
stipulate	O
certain	O
requirements	O
when	O
SVG	B-Application
is	O
simply	O
used	O
for	O
images	O
:	O
SVG	B-Application
Security	O
.	O
</s>
<s>
The	O
W3C	O
says	O
that	O
Inline	O
SVG	B-Application
(	O
an	O
SVG	B-Application
file	I-Application
loaded	O
natively	O
on	O
a	O
website	O
)	O
is	O
considered	O
less	O
of	O
a	O
security	O
risk	O
because	O
the	O
content	O
is	O
part	O
of	O
a	O
greater	O
document	O
,	O
and	O
so	O
scripting	B-Language
and	O
CSS	B-Language
would	O
not	O
be	O
unexpected	O
.	O
</s>
