<s>
Biber	B-Language
is	O
a	O
bibliography	O
information	O
processing	O
program	O
that	O
works	O
in	O
conjunction	O
with	O
the	O
LaTeX	B-Application
package	O
BibLaTeX	B-Language
and	O
offers	O
full	O
Unicode	O
support	O
.	O
</s>
<s>
Biber	B-Language
is	O
a	O
widely	O
used	O
replacement	O
for	O
the	O
BibTeX	B-Language
software	O
.	O
</s>
<s>
Both	O
generate	O
a	O
bibliography	O
in	O
LaTeX	B-Application
,	O
but	O
Biber	B-Language
offers	O
a	O
large	O
superset	O
of	O
BibTeX	B-Language
functionality	O
.	O
</s>
<s>
It	O
also	O
offers	O
full	O
Unicode	O
support	O
,	O
which	O
is	O
hard	O
to	O
achieve	O
with	O
BibTeX	B-Language
.	O
</s>
<s>
Given	O
the	O
same	O
data	O
file	O
as	O
input	O
,	O
biber	B-Language
should	O
output	O
a	O
functionally	O
identical	O
.bbl	O
file	O
as	O
BibTeX	B-Language
.	O
</s>
<s>
Biber	B-Language
is	O
written	O
in	O
Perl	B-Language
and	O
includes	O
the	O
following	O
features	O
:	O
</s>
<s>
Some	O
LaTeX	B-Application
packages	O
have	O
an	O
explicit	O
dependence	O
on	O
BibTeX	B-Language
itself	O
and	O
will	O
not	O
work	O
with	O
biber	B-Language
.	O
</s>
<s>
However	O
,	O
natbib	O
functionality	O
can	O
largely	O
be	O
recovered	O
by	O
using	O
the	O
natbib	O
option	O
to	O
BibLaTeX	B-Language
,	O
</s>
<s>
which	O
is	O
the	O
LaTeX	B-Application
package	O
for	O
processing	O
citation	O
references	O
that	O
is	O
commonly	O
used	O
in	O
conjunction	O
with	O
biber	B-Language
.	O
</s>
