<s>
Nisus	B-Operating_System
Writer	I-Operating_System
,	O
originally	O
Nisus	O
,	O
is	O
a	O
word	B-General_Concept
processing	I-General_Concept
program	O
for	O
the	O
Apple	B-Device
Macintosh	I-Device
.	O
</s>
<s>
The	O
program	O
is	O
available	O
in	O
two	O
varieties	O
:	O
Nisus	B-Operating_System
Writer	I-Operating_System
Express	I-Operating_System
,	O
and	O
Nisus	B-Operating_System
Writer	I-Operating_System
Pro	I-Operating_System
.	O
</s>
<s>
First	O
introduced	O
in	O
1989	O
,	O
the	O
Nisus	B-Operating_System
Writer	I-Operating_System
was	O
the	O
first	O
word	B-General_Concept
processor	I-General_Concept
for	O
Macintosh	B-Device
able	O
to	O
handle	O
multiple	O
type	O
systems	O
within	O
one	O
document	O
,	O
e.g.	O
</s>
<s>
Arabic	O
,	O
Hebrew	O
,	O
Japanese	O
,	O
etc.	O
,	O
thanks	O
to	O
WorldScript	B-Operating_System
.	O
</s>
<s>
Therefore	O
,	O
Nisus	B-Operating_System
Writer	I-Operating_System
was	O
an	O
indispensable	O
tool	O
for	O
people	O
who	O
had	O
to	O
integrate	O
passages	O
written	O
in	O
non-Roman	O
script	O
into	O
a	O
regular	O
document	O
,	O
for	O
instance	O
theologians	O
and	O
archaeologists	O
.	O
</s>
<s>
Other	O
distinguishing	O
features	O
of	O
the	O
program	O
were	O
non-contiguous	O
text	O
selection	O
,	O
multiple	O
editable	O
clipboards	O
,	O
one	O
of	O
the	O
earliest	O
implementations	O
of	O
multiple	B-Application
undo	I-Application
,	O
voice	O
recording	O
,	O
and	O
inline	O
annotations	O
.	O
</s>
<s>
It	O
also	O
offers	O
grep	B-Application
search	O
and	O
replace	O
accessed	O
through	O
a	O
graphical	O
dialog	O
box	O
instead	O
of	O
command	B-Application
line	I-Application
options	I-Application
.	O
</s>
<s>
These	O
features	O
,	O
which	O
were	O
more	O
advanced	O
than	O
those	O
typically	O
found	O
in	O
word	B-General_Concept
processors	I-General_Concept
of	O
the	O
day	O
,	O
were	O
also	O
present	O
in	O
Nisus	O
 '	O
QUED/M	B-Operating_System
text	B-Application
editor	I-Application
.	O
</s>
<s>
An	O
unusual	O
feature	O
of	O
the	O
Nisus	O
file	O
format	O
was	O
that	O
all	O
font	O
and	O
formatting	O
information	O
was	O
saved	O
in	O
the	O
file	O
's	O
resource	B-Operating_System
fork	I-Operating_System
,	O
with	O
the	O
data	B-Operating_System
fork	I-Operating_System
containing	O
only	O
plain	O
text	O
.	O
</s>
<s>
Thus	O
,	O
if	O
the	O
file	O
were	O
to	O
be	O
opened	O
in	O
another	O
program	O
on	O
the	O
Mac	B-Device
,	O
or	O
on	O
a	O
Windows	B-Application
PC	I-Application
,	O
the	O
text	O
would	O
be	O
readable	O
(	O
although	O
style	O
information	O
would	O
be	O
lost	O
)	O
.	O
</s>
<s>
This	O
predates	O
cross-platform	B-Operating_System
file	O
formats	O
as	O
used	O
by	O
word	B-General_Concept
processors	I-General_Concept
like	O
Microsoft	B-Application
Word	I-Application
.	O
</s>
<s>
Contemporary	O
editions	O
of	O
Word	O
had	O
different	O
formats	O
between	O
the	O
Mac	B-Device
and	O
Windows	O
versions	O
and	O
required	O
a	O
translator	O
if	O
the	O
file	O
were	O
to	O
be	O
readable	O
at	O
all	O
.	O
</s>
<s>
The	O
technique	O
of	O
using	O
the	O
resource	B-Operating_System
fork	I-Operating_System
to	O
store	O
style	O
information	O
was	O
later	O
implemented	O
by	O
Apple	O
Inc	O
.	O
for	O
the	O
standard	O
Macintosh	B-Device
styled	O
text	O
format	O
as	O
used	O
in	O
SimpleText	B-Operating_System
.	O
</s>
<s>
Nisus	B-Operating_System
Writer	I-Operating_System
6.5	O
is	O
the	O
last	O
classic	O
version	O
of	O
Nisus	O
and	O
is	O
no	O
longer	O
available	O
for	O
purchase	O
.	O
</s>
<s>
It	O
runs	O
under	O
Mac	B-Operating_System
OS	I-Operating_System
9.2.2	I-Operating_System
and	O
PowerPC-based	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
but	O
only	O
in	O
the	O
Classic	O
environment	O
.	O
</s>
<s>
Rather	O
than	O
porting	O
Nisus	B-Operating_System
Writer	I-Operating_System
to	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Nisus	O
released	O
a	O
fundamentally	O
new	O
product	O
called	O
Nisus	B-Operating_System
Writer	I-Operating_System
Express	I-Operating_System
.	O
</s>
<s>
It	O
is	O
based	O
on	O
Cocoa	B-Operating_System
and	O
complies	O
with	O
Apple	O
's	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
user	O
interface	O
guidelines	O
.	O
</s>
<s>
Nisus	O
bought	O
Okito	O
Composer	O
and	O
hired	O
Charles	O
as	O
Managing	O
Director	O
in	O
which	O
capacity	O
he	O
oversaw	O
further	O
development	O
of	O
the	O
word	B-General_Concept
processor	I-General_Concept
he	O
had	O
created	O
.	O
</s>
<s>
Nisus	B-Operating_System
Compact	I-Operating_System
was	O
an	O
extra-lean	O
variant	O
marketed	O
for	O
Apple	O
's	O
68K	O
PowerBooks	B-Device
.	O
</s>
<s>
"	O
Upgrades	O
"	O
to	O
Nisus	B-Operating_System
Writer	I-Operating_System
were	O
offered	O
at	O
a	O
discount	O
.	O
</s>
<s>
As	O
of	O
November	O
2017	O
,	O
Nisus	O
sells	O
two	O
versions	O
of	O
its	O
word	B-General_Concept
processor	I-General_Concept
:	O
Nisus	B-Operating_System
Writer	I-Operating_System
Express	I-Operating_System
and	O
Nisus	B-Operating_System
Writer	I-Operating_System
Pro	I-Operating_System
.	O
</s>
<s>
Both	O
versions	O
come	O
with	O
more	O
than	O
adequate	O
functionality	O
for	O
most	O
users	O
,	O
although	O
Pro	O
leans	O
more	O
towards	O
business	O
documents	O
,	O
and	O
is	O
designed	O
as	O
a	O
replacement	O
for	O
the	O
likes	O
of	O
Microsoft	B-Application
Word	I-Application
for	O
Macintosh	B-Device
.	O
</s>
