<s>
The	O
MULtilingual	O
Enhancement	O
(	O
MULE	B-Operating_System
)	O
is	O
computer	O
software	O
which	O
adds	O
extra	O
written	O
language	O
characters	O
to	O
the	O
GNU	B-Application
Emacs	I-Application
text	O
editor	O
and	O
programming	O
environment	O
.	O
</s>
<s>
MULE	B-Operating_System
provides	O
facilities	O
to	O
handle	O
text	O
written	O
in	O
many	O
languages	O
(	O
at	O
least	O
42	O
character	B-General_Concept
sets	I-General_Concept
,	O
53	O
coding	O
sets	O
,	O
128	O
input	O
methods	O
,	O
and	O
58	O
languages	O
)	O
,	O
and	O
multilingual	O
texts	O
containing	O
several	O
languages	O
in	O
the	O
same	O
buffer	O
.	O
</s>
<s>
MULE	B-Operating_System
also	O
supports	O
input	O
methods	O
,	O
composing	O
display	O
using	O
fonts	O
in	O
various	O
encodings	O
,	O
changing	O
character	O
syntax	O
and	O
other	O
editing	O
facilities	O
to	O
correspond	O
to	O
local	O
language	O
usage	O
,	O
and	O
more	O
.	O
</s>
<s>
MULE	B-Operating_System
was	O
originally	O
based	O
on	O
Nemacs	O
,	O
a	O
version	O
of	O
Emacs	O
extended	O
to	O
handle	O
Japanese	O
,	O
released	O
in	O
1987	O
.	O
</s>
<s>
Development	O
stalled	O
,	O
and	O
the	O
effort	O
to	O
incorporate	O
increased	O
language	O
functionality	O
into	O
the	O
main	O
Emacs	O
version	O
stalled	O
,	O
until	O
the	O
fork	B-Application
between	O
Lucid	O
Inc	O
.	O
and	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
(	O
FSF	O
)	O
led	O
to	O
XEmacs	B-Language
,	O
which	O
for	O
several	O
years	O
boasted	O
considerably	O
better	O
support	O
for	O
multiple	O
languages	O
and	O
character	B-General_Concept
sets	I-General_Concept
.	O
</s>
<s>
This	O
competition	O
reinvigorated	O
development	O
of	O
GNU	B-Application
Emacs	I-Application
's	O
language	O
handling	O
abilities	O
and	O
prompted	O
the	O
inclusion	O
of	O
MULE	B-Operating_System
in	O
version	O
21	O
of	O
GNU	B-Application
Emacs	I-Application
.	O
</s>
<s>
MULE	B-Operating_System
was	O
written	O
by	O
the	O
researchers	O
Satoru	O
Tomura	O
,	O
Ken'ichi	O
Handa	O
,	O
Mikiko	O
Nishikimi	O
,	O
and	O
Naoto	O
Takahashi	O
,	O
of	O
the	O
National	O
Institute	O
of	O
Advanced	O
Industrial	O
Science	O
and	O
Technology	O
(	O
AIST	O
)	O
,	O
which	O
is	O
a	O
part	O
of	O
Ministry	O
of	O
Economy	O
,	O
Trade	O
and	O
Industry	O
(	O
METI	O
)	O
,	O
of	O
the	O
government	O
of	O
Japan	O
.	O
</s>
