<s>
Publish	B-Operating_System
and	I-Operating_System
Subscribe	I-Operating_System
was	O
a	O
document	O
linking	O
model	O
introduced	O
by	O
Apple	O
Computer	O
in	O
System	B-Operating_System
7	I-Operating_System
.	O
</s>
<s>
Named	O
the	O
Edition	B-Operating_System
Manager	I-Operating_System
in	O
developer	O
documentation	O
,	O
it	O
extended	O
the	O
existing	O
cut	B-General_Concept
and	I-General_Concept
paste	I-General_Concept
editing	O
model	O
with	O
a	O
notification	O
system	O
;	O
"	O
subscribers	O
"	O
could	O
include	O
parts	O
of	O
"	O
published	O
"	O
documents	O
within	O
themselves	O
,	O
and	O
changes	O
to	O
the	O
original	O
published	O
document	O
would	O
be	O
noticed	O
and	O
updated	O
by	O
the	O
subscribers	O
.	O
</s>
<s>
To	O
the	O
user	O
the	O
system	O
was	O
very	O
similar	O
to	O
cut	B-General_Concept
and	I-General_Concept
paste	I-General_Concept
in	O
concept	O
;	O
material	O
would	O
be	O
selected	O
from	O
the	O
source	O
document	O
and	O
published	O
,	O
creating	O
an	O
edition	O
file	O
,	O
then	O
placed	O
into	O
the	O
subscriber	O
by	O
selecting	O
that	O
clipping	O
file	O
and	O
positioning	O
it	O
inside	O
the	O
document	O
.	O
</s>
<s>
In	O
general	O
terms	O
the	O
concept	O
was	O
very	O
similar	O
to	O
Microsoft	O
's	O
Object	B-Operating_System
Linking	I-Operating_System
and	I-Operating_System
Embedding	I-Operating_System
1.0	O
system	O
.	O
</s>
<s>
Unlike	O
OLE	O
,	O
the	O
Edition	B-Operating_System
Manager	I-Operating_System
was	O
comparatively	O
complex	O
from	O
a	O
programming	O
standpoint	O
.	O
</s>
<s>
Suffering	O
from	O
second	B-General_Concept
system	I-General_Concept
effect	I-General_Concept
,	O
it	O
included	O
features	O
intended	O
to	O
make	O
it	O
better	O
than	O
OLE	O
,	O
including	O
support	O
for	O
non-rectangular	O
areas	O
,	O
network	O
notifications	O
and	O
an	O
extensive	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
A	O
result	O
of	O
this	O
complexity	O
was	O
poor	O
uptake	O
among	O
developers	O
,	O
and	O
applications	O
providing	O
Publish	B-Operating_System
and	I-Operating_System
Subscribe	I-Operating_System
were	O
few	O
and	O
far	O
between	O
.	O
</s>
<s>
One	O
of	O
the	O
few	O
products	O
to	O
use	O
it	O
effectively	O
was	O
Claris	O
's	O
suite	O
of	O
software	O
,	O
including	O
ClarisWorks	B-Device
which	O
had	O
already	O
built	O
a	O
system	O
somewhat	O
similar	O
in	O
concept	O
,	O
but	O
required	O
extensive	O
changes	O
to	O
make	O
its	O
own	O
system	O
work	O
with	O
OpenDoc	B-Application
.	O
</s>
<s>
At	O
the	O
time	O
many	O
in	O
the	O
industry	O
felt	O
that	O
the	O
Publish	B-Operating_System
and	I-Operating_System
Subscribe	I-Operating_System
concept	O
was	O
the	O
"	O
next	O
big	O
thing	O
"	O
.	O
</s>
<s>
Apple	O
and	O
Microsoft	O
were	O
not	O
the	O
only	O
two	O
companies	O
trying	O
to	O
introduce	O
such	O
a	O
system	O
;	O
most	O
major	O
software	O
vendors	O
attempted	O
to	O
introduce	O
similar	O
systems	O
,	O
and	O
NeXTSTEP	B-Application
included	O
a	O
version	O
.	O
</s>
<s>
Further	O
it	O
was	O
sometimes	O
confusing	O
to	O
use	O
;	O
if	O
the	O
document	O
included	O
live	O
links	O
it	O
was	O
no	O
longer	O
possible	O
to	O
simply	O
copy	O
it	O
to	O
a	O
floppy	B-Device
disk	I-Device
(	O
for	O
instance	O
)	O
,	O
the	O
clipping	O
file	O
had	O
to	O
be	O
copied	O
as	O
well	O
.	O
</s>
