<s>
An	O
island	B-Application
grammar	I-Application
is	O
a	O
grammar	O
that	O
only	O
describes	O
a	O
small	O
chunk	O
of	O
the	O
underlying	O
language	O
.	O
</s>
<s>
It	O
is	O
used	O
in	O
language	B-Language
parsing	I-Language
in	O
situations	O
where	O
there	O
is	O
no	O
requirement	O
for	O
checking	O
the	O
entire	O
syntax	O
of	O
a	O
provided	O
text	O
.	O
</s>
<s>
Island	B-Application
grammars	I-Application
can	O
be	O
extended	O
with	O
the	O
use	O
of	O
a	O
bridge	O
grammar	O
.	O
</s>
