<s>
UseModWiki	B-Language
is	O
a	O
wiki	B-Protocol
software	I-Protocol
written	O
in	O
Perl	B-Language
and	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
Pages	O
in	O
UseModWiki	B-Language
are	O
stored	O
in	O
ordinary	B-Application
files	I-Application
,	O
not	O
in	O
a	O
relational	B-Application
database	I-Application
.	O
</s>
<s>
Wikipedias	O
in	O
English	O
and	O
many	O
other	O
languages	O
were	O
powered	O
by	O
UseModWiki	B-Language
until	O
switching	O
to	O
MediaWiki	B-Application
.	O
</s>
<s>
After	O
Ward	O
Cunningham	O
created	O
the	O
first	O
wiki	B-Protocol
website	O
WikiWikiWeb	B-Language
,	O
there	O
were	O
various	O
"	O
WikiWikiClones	O
"	O
that	O
implemented	O
the	O
functions	O
and	O
design	O
of	O
WikiWikiWeb	B-Language
's	O
engine	O
(	O
"	O
WikiBase	O
"	O
)	O
,	O
mainly	O
written	O
in	O
Perl	B-Language
.	O
</s>
<s>
Peter	O
Merel	O
developed	O
CVWiki	B-Language
which	O
was	O
an	O
early	O
WikiWikiClone	O
released	O
partially	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
,	O
and	O
Markus	O
Denker	O
then	O
developed	O
AtisWiki	B-Language
which	O
was	O
released	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
and	O
based	O
on	O
CVWiki	B-Language
.	O
</s>
<s>
In	O
the	O
1990s	O
,	O
Clifford	B-Language
Adams	I-Language
initiated	O
the	O
Usenet	B-Application
Moderation	O
project	O
that	O
would	O
allow	O
users	O
to	O
share	O
rating	O
,	O
editing	O
,	O
and	O
eventually	O
summary/change	O
information	O
about	O
Usenet	B-Application
postings	O
.	O
</s>
<s>
It	O
was	O
replaced	O
by	O
the	O
concept	O
of	O
wikis	B-Protocol
in	O
1999	O
,	O
and	O
the	O
development	O
of	O
UseModWiki	B-Language
started	O
on	O
October	O
11	O
as	O
a	O
simplified	O
fork	B-Application
of	O
AtisWiki	B-Language
.	O
</s>
<s>
From	O
version	O
0.4	O
(	O
"	O
WikiFour	O
"	O
)	O
in	O
November	O
1999	O
,	O
more	O
functions	O
and	O
improvements	O
were	O
introduced	O
to	O
UseModWiki	B-Language
.	O
</s>
<s>
In	O
2000	O
,	O
the	O
second	O
UseModWiki	B-Language
website	O
MeatballWiki	O
was	O
launched	O
and	O
hosted	O
in	O
usemod.com,	O
along	O
with	O
the	O
official	O
website	O
of	O
UseModWiki	B-Language
.	O
</s>
<s>
In	O
2001	O
,	O
as	O
Adams	O
was	O
both	O
of	O
the	O
UseModWiki	B-Language
developer	O
and	O
a	O
Wikipedian	O
,	O
he	O
brought	O
many	O
improvements	O
for	O
the	O
usages	O
of	O
an	O
encyclopedia	O
to	O
v0.91	O
and	O
v0.92	O
,	O
especially	O
"	O
free	O
links	O
"	O
that	O
uses	O
double	O
square-brackets	O
(	O
e.g.	O
,	O
 [  [ Wikipedia ]  ] 	O
)	O
as	O
an	O
option	O
along	O
with	O
camel	O
case	O
for	O
linking	O
to	O
another	O
page	O
.	O
</s>
<s>
In	O
September	O
2003	O
,	O
after	O
two	O
years	O
of	O
development	O
from	O
the	O
previous	O
version	O
,	O
the	O
release	O
of	O
version	O
1.0	O
introduced	O
many	O
new	O
features	O
including	O
CSS	B-Language
,	O
RSS	O
,	O
file	O
uploads	O
,	O
UTF-8	O
,	O
and	O
more	O
.	O
</s>
<s>
It	O
was	O
patched	O
in	O
July	O
2007	O
when	O
Markus	O
Lude	O
took	O
over	O
the	O
project	O
of	O
UseModWiki	B-Language
from	O
Clifford	B-Language
Adams	I-Language
,	O
with	O
the	O
release	O
of	O
version	O
1.0.1	O
.	O
</s>
<s>
This	O
tag	O
also	O
acts	O
like	O
the	O
<pre>	O
tag	O
and	O
suppresses	O
wiki	B-Protocol
formatting	O
.	O
</s>
<s>
Optional	O
disabling	O
of	O
automatic	O
LinkPattern	O
links	O
(	O
if	O
you	O
really	O
want	O
to	O
get	O
rid	O
of	O
the	O
classic	O
Wiki:CamelCase	O
names	O
.	O
)	O
</s>
<s>
Optional	O
x	O
translation	O
table	O
for	O
non-English	O
wikis	B-Protocol
.	O
</s>
<s>
The	O
wiki	B-Protocol
software	I-Protocol
for	O
the	O
English	O
Wikipedia	O
was	O
UseModWiki	B-Language
(	O
phase	O
I	O
,	O
retroactively	O
)	O
since	O
the	O
establishment	O
on	O
January	O
15	O
,	O
2001	O
,	O
and	O
as	O
of	O
January	O
2002	O
,	O
Wikipedias	O
in	O
22	O
languages	O
were	O
powered	O
by	O
UseModWiki	B-Language
.	O
</s>
<s>
The	O
English	O
edition	O
switched	O
to	O
"	O
the	O
PHP	B-Application
script	I-Application
"	O
(	O
phase	O
II	O
)	O
on	O
January	O
25	O
,	O
2002	O
,	O
a	O
new	O
wiki	B-Protocol
software	I-Protocol
based	O
on	O
UseModWiki	B-Language
but	O
rewritten	O
in	O
PHP	B-Application
.	O
</s>
<s>
On	O
July	O
20	O
,	O
"	O
the	O
PHP	B-Application
script	I-Application
"	O
was	O
then	O
replaced	O
by	O
its	O
own	O
rewritten	O
wiki	B-Protocol
software	I-Protocol
(	O
phase	O
III	O
)	O
,	O
currently	O
known	O
as	O
MediaWiki	B-Application
,	O
for	O
the	O
better	O
performance	O
and	O
functionality	O
.	O
</s>
<s>
Other	O
language	O
editions	O
gradually	O
switched	O
to	O
MediaWiki	B-Application
afterwards	O
,	O
and	O
as	O
of	O
late	O
2003	O
,	O
only	O
a	O
few	O
active	O
editions	O
including	O
Catalan	O
Wikipedia	O
were	O
still	O
powered	O
by	O
UseModWiki	B-Language
.	O
</s>
<s>
On	O
January	O
25	O
,	O
2004	O
,	O
also	O
the	O
second	O
anniversary	O
of	O
the	O
"	O
PHP	B-Application
script	I-Application
"	O
,	O
the	O
last-remaining	O
UseModWiki	B-Language
editions	O
switched	O
to	O
MediaWiki	B-Application
.	O
</s>
