<s>
QUED	O
and	O
QUED/M	B-Operating_System
are	O
text	B-Application
editors	I-Application
for	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
operating	O
system	O
,	O
developed	O
by	O
Paragon	O
Concepts	O
,	O
which	O
later	O
became	O
Nisus	O
Software	O
,	O
Inc	O
.	O
</s>
<s>
The	O
Initial	O
incarnation	O
,	O
QUED	O
(	O
QUality	O
EDitor	O
,	O
released	O
1985	O
)	O
,	O
gave	O
programmers	O
a	O
versatile	O
text	B-Application
editor	I-Application
superior	O
to	O
the	O
bundled	O
Edit	B-Operating_System
application	I-Operating_System
.	O
</s>
<s>
QUED/M	B-Operating_System
,	O
released	O
in	O
1987	O
,	O
added	O
a	O
macro	O
system	O
.	O
</s>
<s>
This	O
was	O
back-ported	O
from	O
Nisus	B-Operating_System
Writer	I-Operating_System
version	O
4.x	O
when	O
a	O
similar	O
programming	O
dialect	O
was	O
added	O
to	O
that	O
program	O
's	O
macro	O
capability	O
.	O
</s>
<s>
QUED/M	B-Operating_System
competed	O
with	O
Apple	O
's	O
Macintosh	B-Operating_System
Programmer	I-Operating_System
's	I-Operating_System
Workshop	I-Operating_System
Shell	O
and	O
other	O
Macintosh	O
integrated	B-Application
development	I-Application
environments	I-Application
of	O
the	O
time	O
.	O
</s>
<s>
QUED/M	B-Operating_System
was	O
gradually	O
supplanted	O
by	O
BBEdit	B-Operating_System
,	O
which	O
offered	O
much	O
better	O
integration	O
with	O
many	O
technologies	O
in	O
System	B-Operating_System
7	I-Operating_System
.	O
</s>
<s>
QUED/M	B-Operating_System
served	O
as	O
the	O
foundation	O
of	O
Nisus	B-Operating_System
Writer	I-Operating_System
(	O
now	O
Nisus	B-Operating_System
Writer	I-Operating_System
Pro	I-Operating_System
)	O
,	O
first	O
released	O
in	O
1989	O
as	O
"	O
Nisus	O
,	O
The	O
Amazing	O
Word	O
Processor	O
for	O
the	O
Apple	O
Macintosh	O
"	O
.	O
</s>
<s>
QUED/M	B-Operating_System
does	O
not	O
run	O
natively	O
on	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
hence	O
it	O
requires	O
the	O
Mac	O
Classic	O
Environment	O
,	O
and	O
cannot	O
run	O
in	O
Mac	B-Application
OS	I-Application
X	I-Application
v10.5	I-Application
or	O
later	O
or	O
on	O
Intel-based	B-Device
Macs	I-Device
.	O
</s>
