<s>
ISO/IEC	O
8859-6:1999	O
,	O
Information	O
technology	O
—	O
8-bit	O
single-byte	O
coded	O
graphic	O
character	B-General_Concept
sets	I-General_Concept
—	O
Part	O
6	O
:	O
Latin/Arabic	O
alphabet	O
,	O
is	O
part	O
of	O
the	O
ISO/IEC	O
8859	O
series	O
of	O
ASCII-based	O
standard	O
character	B-General_Concept
encodings	I-General_Concept
,	O
first	O
edition	O
published	O
in	O
1987	O
.	O
</s>
<s>
ISO-8859-6	O
is	O
the	O
IANA	O
preferred	O
charset	B-General_Concept
name	O
for	O
this	O
standard	O
when	O
supplemented	O
with	O
the	O
C0	O
and	O
C1	O
control	O
codes	O
from	O
ISO/IEC	O
6429	O
.	O
</s>
<s>
There	O
is	O
also	O
ISO-8859-6-E	O
which	O
supposedly	O
requires	O
directionality	O
to	O
be	O
explicitly	O
specified	O
with	O
special	O
control	O
characters	O
;	O
this	O
latter	O
variant	O
is	O
in	O
practice	O
unused	O
.	O
</s>
<s>
It	O
is	O
an	O
emulation	O
for	O
their	O
AIX	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
ISO-8859-6	O
is	O
now	O
technologically	O
obsolete	O
,	O
and	O
Unicode	O
is	O
preferred	O
in	O
modern	O
applications	O
,	O
especially	O
on	O
the	O
Internet	O
;	O
meaning	O
the	O
dominant	O
UTF-8	O
encoding	O
for	O
web	O
pages	O
(	O
see	O
also	O
Arabic	O
script	O
in	O
Unicode	O
,	O
for	O
complete	O
coverage	O
,	O
unlike	O
for	O
e.g.	O
</s>
<s>
Less	O
than	O
0.0002	O
%	O
of	O
all	O
web	O
pages	O
use	O
ISO-8859-6	O
,	O
and	O
it	O
is	O
n't	O
even	O
the	O
third-most	O
popular	O
encoding	O
option	O
for	O
Arabic	O
on	O
the	O
web	O
.	O
</s>
<s>
The	O
design	O
of	O
this	O
character	B-General_Concept
set	I-General_Concept
was	O
inspired	O
by	O
the	O
previous	O
7-bit	O
standard	O
—	O
ASMO	O
449	O
—	O
but	O
it	O
is	O
not	O
simply	O
the	O
7-bit	O
character	B-General_Concept
set	I-General_Concept
moved	O
to	O
the	O
upper	O
part	O
;	O
there	O
are	O
some	O
differences	O
.	O
</s>
<s>
ASMO	O
708	O
is	O
a	O
bidirectional	O
character	B-General_Concept
set	I-General_Concept
.	O
</s>
<s>
The	O
lower	O
part	O
of	O
the	O
character	B-General_Concept
set	I-General_Concept
differs	O
from	O
standard	O
ISO	O
646	O
in	O
the	O
digits	O
and	O
in	O
some	O
punctuation	O
.	O
</s>
<s>
Also	O
,	O
depending	O
on	O
the	O
context	O
,	O
symmetrical	O
punctuation	O
marks	O
are	O
reversed	O
,	O
i.e.	O
,	O
whenever	O
there	O
is	O
an	O
opening	O
punctuation	O
mark	O
,	O
the	O
shape	O
is	O
rendered	O
differently	O
according	O
to	O
the	O
direction	O
of	O
the	O
script	O
.	O
</s>
<s>
The	O
upper	O
part	O
of	O
the	O
character	B-General_Concept
set	I-General_Concept
has	O
only	O
the	O
Arabic	O
letters	O
,	O
Arabic	O
punctuation	O
that	O
is	O
different	O
from	O
Latin	O
punctuation	O
,	O
plus	O
few	O
other	O
characters	O
.	O
</s>
<s>
It	O
was	O
also	O
registered	O
in	O
the	O
International	O
Register	O
of	O
Coded	B-General_Concept
Character	I-General_Concept
Sets	I-General_Concept
as	O
IR	O
127	O
in	O
1986	O
.	O
</s>
<s>
Some	O
other	O
character	B-General_Concept
sets	I-General_Concept
are	O
related	O
to	O
ASMO	O
708	O
:	O
</s>
<s>
Microsoft	O
’s	O
code	O
page	O
708	O
,	O
for	O
MS-DOS	O
,	O
adds	O
French	O
characters	O
in	O
their	O
typical	O
code	O
points	O
from	O
code	O
page	O
437	O
and	O
adds	O
box-drawing	O
characters	O
;	O
</s>
<s>
Both	O
Microsoft	O
’s	O
code	O
page	O
710	O
(	O
Transparent	O
Arabic	O
)	O
and	O
Microsoft	O
’s	O
code	O
page	O
720	O
(	O
Transparent	O
ASMO	O
)	O
,	O
for	O
MS-DOS	O
,	O
add	O
French	O
characters	O
in	O
their	O
typical	O
code	O
points	O
from	O
code	O
page	O
437	O
but	O
dislocates	O
the	O
Arabic	O
characters	O
to	O
allow	O
the	O
box-drawing	O
characters	O
from	O
code	O
page	O
437	O
to	O
be	O
in	O
their	O
original	O
code	O
points	O
;	O
</s>
<s>
Microsoft	O
’s	O
Windows	O
1256	O
adds	O
French	O
lower	O
case	O
characters	O
in	O
their	O
Windows	O
1252	O
code	O
points	O
and	O
dislocates	O
the	O
Arabic	O
ones	O
;	O
</s>
