<s>
TextEdit	B-Operating_System
is	O
an	O
open-source	B-Application
word	B-General_Concept
processor	I-General_Concept
and	O
text	B-Application
editor	I-Application
,	O
first	O
featured	O
in	O
NeXT	O
's	O
NeXTSTEP	B-Application
and	O
OPENSTEP	B-Operating_System
.	O
</s>
<s>
It	O
is	O
now	O
distributed	O
with	O
macOS	B-Application
since	O
Apple	O
Inc.	O
'	O
s	O
acquisition	O
of	O
NeXT	O
,	O
and	O
available	O
as	O
a	O
GNUstep	B-Application
application	O
for	O
other	O
Unix-like	O
operating	O
systems	O
such	O
as	O
Linux	B-Application
.	O
</s>
<s>
TextEdit	B-Operating_System
replaced	O
the	O
text	B-Application
editor	I-Application
of	O
previous	B-Application
Macintosh	I-Application
operating	I-Application
systems	I-Application
,	O
SimpleText	B-Operating_System
.	O
</s>
<s>
TextEdit	B-Operating_System
uses	O
the	O
Cocoa	B-Application
text	I-Application
system	I-Application
to	O
read	O
and	O
write	O
documents	O
in	O
Rich	O
Text	O
Format	O
(	O
RTF	O
)	O
,	O
Rich	O
Text	O
Format	O
Directory	O
,	O
plain	O
text	O
,	O
and	O
HTML	B-Language
formats	O
,	O
and	O
can	O
open	O
(	O
but	O
not	O
save	O
)	O
old	O
SimpleText	B-Operating_System
files	O
.	O
</s>
<s>
It	O
also	O
has	O
access	O
to	O
the	O
operating	O
system	O
's	O
built-in	O
spell-checking	B-Application
service	O
.	O
</s>
<s>
The	O
version	O
included	O
in	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
v10.3	I-Operating_System
added	O
the	O
ability	O
to	O
read	O
and	O
write	O
documents	O
in	O
Word	O
format	O
,	O
and	O
the	O
version	O
in	O
Mac	B-Application
OS	I-Application
X	I-Application
v10.4	I-Application
added	O
the	O
ability	O
to	O
read	O
and	O
write	O
Word	B-Operating_System
XML	I-Operating_System
documents	I-Operating_System
.	O
</s>
<s>
The	O
version	O
included	O
in	O
Mac	B-Application
OS	I-Application
X	I-Application
v10.5	I-Application
added	O
read	O
and	O
write	O
support	O
for	O
Office	B-Operating_System
Open	I-Operating_System
XML	I-Operating_System
and	O
OpenDocument	B-Application
Text	I-Application
.	O
</s>
<s>
The	O
version	O
included	O
in	O
Mac	B-Device
OS	I-Device
X	I-Device
v10.6	I-Device
added	O
automatic	O
spelling	O
correction	O
,	O
support	O
for	O
data	O
detectors	O
,	O
and	O
text	O
transformations	O
.	O
</s>
<s>
The	O
version	O
included	O
in	O
Mac	B-Application
OS	I-Application
X	I-Application
v10.7	I-Application
added	O
versioning	O
of	O
files	O
,	O
and	O
Autosave	O
similar	O
to	O
iOS	O
.	O
</s>
<s>
Formatted	O
text	O
,	O
justification	O
,	O
and	O
even	O
the	O
inclusion	O
of	O
graphics	O
and	O
other	O
multimedia	O
elements	O
are	O
supported	O
by	O
TextEdit	B-Operating_System
,	O
as	O
well	O
as	O
the	O
ability	O
to	O
read	O
and	O
write	O
to	O
different	O
character	B-General_Concept
encodings	I-General_Concept
,	O
including	O
Unicode	O
(	O
UTF-8	O
and	O
UTF-16	O
)	O
.	O
</s>
<s>
TextEdit	B-Operating_System
automatically	O
adjusts	O
letter	O
spacing	O
in	O
addition	O
to	O
word	O
spacing	O
while	O
justifying	O
text	O
.	O
</s>
<s>
TextEdit	B-Operating_System
does	O
not	O
support	O
multiple	O
columns	O
of	O
text	O
.	O
</s>
<s>
The	O
high-resolution	O
TextEdit	B-Operating_System
1.5	O
icon	O
found	O
in	O
Mac	B-Device
OS	I-Device
X	I-Device
versions	O
starting	O
with	O
10.5	O
(	O
Leopard	B-Application
)	O
features	O
an	O
extract	O
from	O
Apple	O
's	O
"	O
Think	O
different	O
"	O
ad	O
campaign	O
.	O
</s>
<s>
Apple	O
formerly	O
distributed	O
TextEdit	B-Operating_System
's	O
source	O
code	O
as	O
part	O
of	O
the	O
documentation	O
of	O
its	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
Xcode	B-Operating_System
.	O
</s>
<s>
On	O
the	O
Internet	O
,	O
the	O
source	O
code	O
of	O
TextEdit	B-Operating_System
can	O
be	O
found	O
in	O
Apple	O
's	O
Mac	O
Developer	O
Library	O
.	O
</s>
<s>
The	O
following	O
quote	O
is	O
from	O
the	O
characteristic	O
part	O
of	O
the	O
BSD-3-Clause-compliant	O
license	O
text	O
included	O
in	O
the	O
source	O
code	O
:	O
</s>
