<s>
Elvis	B-Device
is	O
an	O
enhanced	O
clone	O
of	O
the	O
vi	B-Application
text	B-Application
editor	I-Application
,	O
first	O
released	O
in	O
January	O
1990	O
.	O
</s>
<s>
It	O
introduced	O
several	O
new	O
features	O
,	O
including	O
syntax	O
highlighting	O
and	O
built-in	O
support	O
for	O
viewing	O
nroff	B-Device
and	O
HTML	B-Language
documents	O
.	O
</s>
<s>
Elvis	B-Device
is	O
written	O
by	O
Steve	O
Kirkendall	O
and	O
is	O
distributed	O
under	O
the	O
Clarified	B-License
Artistic	I-License
License	I-License
(	O
ClArtistic	O
)	O
which	O
is	O
used	O
by	O
Perl	B-Language
and	O
is	O
a	O
GPL-compatible	O
free	O
software	O
license	O
.	O
</s>
<s>
Elvis	B-Device
is	O
the	O
version	O
of	O
vi	B-Application
that	O
comes	O
with	O
Slackware	B-Application
,	O
Frugalware	O
,	O
and	O
KateOS	O
.	O
</s>
<s>
Elvis	B-Device
was	O
the	O
pioneering	O
vi	B-Application
clone	O
,	O
widely	O
admired	O
in	O
the	O
1990s	O
for	O
its	O
conciseness	O
,	O
and	O
many	O
features	O
.	O
</s>
<s>
It	O
influenced	O
the	O
development	O
of	O
Vim	B-Application
until	O
about	O
1997	O
.	O
</s>
<s>
Elvis	B-Device
's	O
built-in	O
nroff	B-Device
(	O
early	O
)	O
and	O
(	O
later	O
)	O
HTML	B-Language
displays	O
gave	O
it	O
unusual	O
WYSIWYG	O
features	O
.	O
</s>
<s>
Elvis	B-Device
recognizes	O
binary	O
files	O
,	O
as	O
well	O
and	O
provides	O
a	O
split	O
screen	O
for	O
editing	O
them	O
.	O
</s>
<s>
jelvis	B-Device
,	O
a	O
Japanese	O
variant	O
,	O
is	O
available	O
,	O
based	O
on	O
work	O
by	O
Jun-ichiro	O
itojun	O
Hagino	O
up	O
until	O
1998	O
.	O
</s>
<s>
His	O
more	O
recent	O
work	O
in	O
this	O
area	O
has	O
been	O
distributed	O
as	O
patches	O
against	O
nvi	B-Device
.	O
</s>
<s>
These	O
variants	O
were	O
modifications	O
of	O
elvis	B-Device
1.8	O
(	O
July	O
10	O
,	O
1994	O
)	O
.	O
</s>
<s>
The	O
nvi	B-Device
editor	O
is	O
based	O
on	O
an	O
older	O
version	O
of	O
elvis	B-Device
1.5	O
(	O
April	O
2	O
,	O
1992	O
)	O
.	O
</s>
<s>
Elvis	B-Device
is	O
an	O
enhanced	O
clone	O
of	O
vi	B-Application
.	O
</s>
<s>
To	O
understand	O
the	O
full	O
context	O
in	O
which	O
Elvis	B-Device
was	O
created	O
,	O
readers	O
should	O
consider	O
the	O
history	O
of	O
vi	B-Application
.	O
</s>
<s>
In	O
this	O
section	O
we	O
examine	O
the	O
version	O
history	O
of	O
Elvis	B-Device
almost	O
exclusively	O
.	O
</s>
<s>
Steve	O
Kirkendall	O
posted	O
the	O
first	O
version	O
of	O
Elvis	B-Device
to	O
the	O
Usenet	B-Application
newsgroup	O
comp.os.minix	O
in	O
early	O
January	O
,	O
1990	O
,	O
intending	O
it	O
to	O
be	O
a	O
more	O
complete	O
and	O
faithful	O
clone	O
of	O
Vi	B-Application
than	O
Tim	O
Thompson	O
's	O
Stevie	B-Language
(	O
ST	O
editor	O
for	O
VI	B-Application
enthusiasts	O
)	O
,	O
released	O
three	O
years	O
previously	O
.	O
</s>
<s>
Kirkendall	O
outlined	O
several	O
ways	O
in	O
which	O
Elvis	B-Device
was	O
different	O
from	O
Stevie	B-Language
,	O
namely	O
:	O
</s>
<s>
The	O
text	O
is	O
stored	O
in	O
a	O
temporary	O
file	O
,	O
just	O
like	O
the	O
real	O
vi	B-Application
,	O
and	O
unlike	O
stevie	B-Language
.	O
</s>
<s>
In	O
other	O
words	O
,	O
elvis	B-Device
can	O
act	O
pretty	O
much	O
like	O
a	O
normal	O
editor	O
--	O
something	O
that	O
the	O
real	O
vi	B-Application
certainly	O
ca	O
n't	O
do	O
.	O
</s>
<s>
Where	O
vi	B-Application
and	O
stevie	B-Language
wrap	O
the	O
line	O
onto	O
several	O
rows	O
of	O
the	O
screen	O
,	O
elvis	B-Device
displays	O
it	O
on	O
one	O
row	O
and	O
allows	O
you	O
to	O
scroll	O
sideways	O
.	O
</s>
<s>
In	O
addition	O
,	O
in	O
Elvis	B-Device
almost	O
all	O
ex/vi	B-Application
commands	O
worked	O
(	O
except	O
:	O
@	O
,	O
:abbr	O
,	O
and	O
:preserve	O
in	O
ex	O
mode	O
and	O
@	O
in	O
visual	O
mode	O
and	O
appending	O
to	O
named	O
buffers	O
)	O
.	O
</s>
<s>
Andrew	O
Tanenbaum	O
quickly	O
asked	O
the	O
community	O
to	O
decide	O
one	O
of	O
these	O
two	O
editors	O
to	O
be	O
the	O
vi	B-Application
clone	O
in	O
Minix	B-Operating_System
;	O
Elvis	B-Device
was	O
chosen	O
,	O
and	O
remains	O
the	O
vi	B-Application
clone	O
for	O
Minix	B-Operating_System
today	O
.	O
</s>
<s>
In	O
1989	O
,	O
Lynne	O
Jolitz	O
and	O
William	O
Jolitz	O
began	O
porting	O
BSD	O
Unix	B-Application
to	O
run	O
on	O
386	O
class	O
processors	O
,	O
but	O
to	O
create	O
a	O
free	O
distribution	O
they	O
needed	O
to	O
avoid	O
any	O
AT&	O
T-contaminated	O
code	O
,	O
including	O
Joy	O
's	O
vi	B-Application
.	O
</s>
<s>
To	O
fill	O
the	O
void	O
left	O
by	O
removing	O
vi	B-Application
,	O
their	O
1992	O
386BSD	B-Operating_System
distribution	O
adopted	O
Elvis	B-Device
as	O
its	O
vi	B-Application
replacement	O
.	O
</s>
<s>
But	O
at	O
UC	O
Berkeley	O
,	O
Keith	O
Bostic	O
wanted	O
a	O
“	O
bug	O
for	O
bug	O
compatible	O
”	O
replacement	O
for	O
Joy	O
's	O
vi	B-Application
for	O
BSD	O
4.4	O
Lite	O
.	O
</s>
<s>
Using	O
Kirkendall	O
's	O
Elvis	B-Device
(	O
version	O
1.8	O
)	O
as	O
a	O
starting	O
point	O
,	O
Bostic	O
created	O
nvi	B-Device
,	O
releasing	O
it	O
in	O
Spring	O
of	O
1994	O
.	O
</s>
<s>
In	O
August	O
1994	O
,	O
Kirkendall	O
announced	O
that	O
he	O
was	O
working	O
on	O
a	O
major	O
rewrite	O
of	O
Elvis	B-Device
,	O
and	O
in	O
October	O
1996	O
,	O
it	O
was	O
ready	O
for	O
release	O
.	O
</s>
<s>
In	O
December	O
1998	O
,	O
Kirkendall	O
released	O
Elvis	B-Device
2.1	O
,	O
with	O
added	O
features	O
,	O
including	O
name	O
completion	O
,	O
via	O
the	O
<Tab>	O
key	O
,	O
network	O
protocols	O
(	O
allowing	O
can	O
reading/writing	O
via	O
Web	O
URLs	O
)	O
,	O
and	O
a	O
"	O
tex	O
"	O
display	O
mode	O
.	O
</s>
<s>
In	O
October	O
2003	O
,	O
four	O
years	O
after	O
the	O
previous	O
release	O
,	O
Kirkendall	O
released	O
Elvis	B-Device
2.2	O
,	O
which	O
added	O
a	O
number	O
of	O
new	O
features	O
,	O
including	O
a	O
built-in	O
context-sensitive	O
spell	O
checker	O
,	O
text	O
folding	O
,	O
region	O
highlighting	O
,	O
and	O
user-definable	O
URL	O
protocols	O
.	O
</s>
<s>
In	O
addition	O
,	O
it	O
adopted	O
a	O
number	O
of	O
ideas	O
from	O
Vim	B-Application
.	O
</s>
