<s>
The	O
Graphical	B-Language
Modeling	I-Language
Framework	I-Language
(	O
GMF	O
)	O
is	O
a	O
framework	O
within	O
the	O
Eclipse	B-Application
platform	I-Application
.	O
</s>
<s>
It	O
provides	O
a	O
generative	O
component	O
and	O
runtime	O
infrastructure	O
for	O
developing	O
graphical	O
editors	O
based	O
on	O
the	O
Eclipse	B-Language
Modeling	I-Language
Framework	I-Language
(	O
EMF	O
)	O
and	O
Graphical	B-Language
Editing	I-Language
Framework	I-Language
(	O
GEF	O
)	O
.	O
</s>
<s>
GMF	O
was	O
first	O
released	O
as	O
part	O
of	O
the	O
Eclipse	B-Application
3.2	O
Callisto	O
release	O
in	O
June	O
2006	O
.	O
</s>
