<s>
Grail	B-Protocol
was	O
a	O
free	O
extensible	O
multi-platform	O
web	B-Application
browser	I-Application
written	O
in	O
the	O
Python	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
One	O
of	O
the	O
major	O
distinguishing	O
features	O
of	O
Grail	B-Protocol
was	O
the	O
ability	O
to	O
run	O
client-side	O
Python	B-Language
code	I-Language
,	O
in	O
much	O
the	O
same	O
way	O
as	O
mainstream	O
browsers	B-Application
run	O
client-side	O
JavaScript	O
code	O
.	O
</s>
<s>
The	O
name	O
Grail	B-Protocol
is	O
thought	O
to	O
be	O
a	O
tribute	O
to	O
Monty	O
Python	B-Language
and	O
the	O
Holy	O
Grail	B-Protocol
,	O
a	O
film	O
by	O
the	O
British	O
comedy	O
group	O
Monty	O
Python	B-Language
.	O
</s>
<s>
The	O
name	O
follows	O
a	O
similar	O
suit	O
to	O
that	O
of	O
Python's─the	O
programming	O
language	O
was	O
too	O
named	O
after	O
Monty	O
Python	B-Language
.	O
</s>
