<s>
Graffiti	B-Language
Markup	I-Language
Language	I-Language
(	O
GML	O
)	O
is	O
an	O
XML-based	O
file	O
format	O
that	O
stores	O
graffiti	O
motion	O
data	O
that	O
was	O
created	O
by	O
Jamie	O
Wilkinson	O
,	O
Chris	O
Sugrue	O
,	O
Theo	O
Watson	O
and	O
Evan	O
Roth	O
.	O
</s>
<s>
Popular	O
applications	O
such	O
as	O
Graffiti	O
Analysis	O
,	O
EyeWriter	O
and	O
Mozilla	B-Operating_System
's	O
Firefox	O
MarkUp	O
implement	O
GML	O
.	O
</s>
<s>
GML	O
is	O
the	O
product	O
of	O
collaboration	O
between	O
artists	O
,	O
hackers	O
,	O
and	O
programmers	O
,	O
and	O
may	O
be	O
used	O
to	O
replicate	O
graffiti	O
using	O
robots	B-Device
.	O
</s>
