<s>
ikiwiki	B-Protocol
is	O
a	O
free	B-License
and	I-License
open-source	I-License
wiki	B-Protocol
application	I-Protocol
,	O
designed	O
by	O
Joey	O
Hess	O
.	O
</s>
<s>
It	O
is	O
licensed	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
,	O
version	O
2	O
or	O
later	O
.	O
</s>
<s>
ikiwiki	B-Protocol
is	O
written	O
in	O
Perl	B-Language
,	O
although	O
external	O
plugins	O
can	O
be	O
implemented	O
in	O
any	O
language	O
.	O
</s>
<s>
Unlike	O
conventional	O
wiki	B-Protocol
software	I-Protocol
,	O
ikiwiki	B-Protocol
stores	O
its	O
pages	O
in	O
a	O
standard	O
version	B-Architecture
control	I-Architecture
system	I-Architecture
such	O
as	O
Git	B-Application
,	O
Subversion	B-Application
or	O
others	O
.	O
</s>
<s>
ikiwiki	B-Protocol
supports	O
several	O
lightweight	B-Protocol
markup	I-Protocol
languages	I-Protocol
,	O
including	O
Markdown	O
,	O
Creole	O
,	O
reStructuredText	B-Language
and	O
Textile	B-Language
.	O
</s>
<s>
In	O
the	O
simplest	O
case	O
,	O
it	O
can	O
function	O
as	O
an	O
off-line	O
static	O
web	O
site	O
generator	O
(	O
possibly	O
still	O
allowing	O
different	O
users	O
to	O
submit	O
changes	O
through	O
VCS	O
;	O
this	O
method	O
is	O
sometimes	O
referred	O
to	O
as	O
wiki	B-Protocol
compiler	O
)	O
,	O
but	O
it	O
can	O
use	O
CGI	B-Language
to	O
function	O
as	O
a	O
normal	O
web-interfaced	O
wiki	B-Protocol
as	O
well	O
.	O
</s>
<s>
ikiwiki	B-Protocol
can	O
be	O
used	O
for	O
maintaining	O
a	O
blog	O
,	O
and	O
includes	O
common	O
blogging	O
functionality	O
such	O
as	O
comments	O
and	O
RSS	O
feeds	O
.	O
</s>
<s>
ikiwiki	B-Protocol
is	O
included	O
in	O
various	O
Linux	B-Application
distributions	I-Application
,	O
including	O
Debian	O
and	O
Ubuntu	B-Operating_System
.	O
</s>
<s>
Although	O
wikis	B-Protocol
and	O
bug	B-Application
tracking	I-Application
systems	I-Application
are	O
conventionally	O
viewed	O
as	O
distinct	O
types	O
of	O
software	O
,	O
Ikiwiki	B-Protocol
can	O
also	O
be	O
used	O
as	O
a	O
(	O
possibly-distributed	O
)	O
bug	B-Application
tracking	I-Application
system	I-Application
;	O
however	O
,	O
"	O
Ikiwiki	B-Protocol
has	O
little	O
structured	O
data	O
except	O
for	O
page	O
filenames	O
and	O
tags	O
,	O
"	O
so	O
its	O
query	O
functionality	O
is	O
not	O
as	O
advanced	O
or	O
as	O
user-friendly	O
as	O
some	O
other	O
,	O
centralised	O
bug	B-Application
trackers	I-Application
such	O
as	O
Bugzilla	B-Application
.	O
</s>
