<s>
Mellel	B-Operating_System
(	O
,	O
the	O
Hebrew	O
for	O
"	O
text	O
"	O
)	O
is	O
a	O
word	B-General_Concept
processor	I-General_Concept
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
developed	O
since	O
2002	O
and	O
marketed	O
as	O
especially	O
suited	O
for	O
technical	O
and	O
academic	O
writers	O
,	O
and	O
for	O
writers	O
with	O
long	O
,	O
complex	O
documents	O
.	O
</s>
<s>
It	O
is	O
made	O
by	O
Mellel	B-Operating_System
AAR	O
,	O
a	O
small	O
software	O
company	O
.	O
</s>
<s>
Its	O
closest	O
competitor	O
is	O
Nisus	B-Operating_System
Writer	I-Operating_System
Pro	I-Operating_System
.	O
</s>
<s>
One	O
remarkable	O
feature	O
present	O
in	O
Mellel	B-Operating_System
is	O
its	O
multilanguage	O
support	O
.	O
</s>
<s>
Languages	O
with	O
non-Latin	O
alphabets	O
,	O
including	O
Arabic	O
,	O
Syriac	O
,	O
Hebrew	O
,	O
Greek	O
,	O
Korean	O
or	O
Persian	O
,	O
for	O
example	O
,	O
are	O
handled	O
well	O
due	O
to	O
the	O
fact	O
that	O
Mellel	B-Operating_System
sports	O
its	O
own	O
text	O
engine	O
,	O
that	O
is	O
not	O
reliant	O
on	O
macOS	B-Application
text	O
support	O
,	O
and	O
in	O
addition	O
support	O
for	O
Unicode	O
and	O
OpenType	O
fonts	O
.	O
</s>
<s>
Mellel	B-Operating_System
also	O
presents	O
a	O
feature	O
set	O
suitable	O
for	O
working	O
with	O
long	O
and	O
complex	O
documents	O
,	O
in	O
order	O
to	O
match	O
the	O
needs	O
of	O
scholars	O
and	O
technical	O
writers	O
.	O
</s>
<s>
Mellel	B-Operating_System
has	O
a	O
distinctive	O
way	O
of	O
handling	O
footnotes	O
and	O
endnotes	O
,	O
allowing	O
creation	O
of	O
numerous	O
"	O
streams	O
"	O
of	O
notes	O
in	O
a	O
single	O
document	O
.	O
</s>
<s>
Cross-references	O
are	O
also	O
dealt	O
with	O
in	O
a	O
singular	O
way	O
by	O
Mellel	B-Operating_System
.	O
</s>
<s>
With	O
Mellel	B-Operating_System
4.0	O
the	O
software	O
added	O
an	O
Index	O
tool	O
which	O
according	O
to	O
the	O
company	O
website	O
"	O
rivals	O
dedicated	O
Index	O
applications	O
"	O
.	O
</s>
<s>
Mellel	B-Operating_System
has	O
a	O
unique	O
way	O
of	O
handling	O
styles	O
,	O
which	O
are	O
also	O
organised	O
as	O
part	O
of	O
a	O
style	O
set	O
,	O
that	O
can	O
be	O
utilised	O
by	O
multiple	O
documents	O
.	O
</s>
<s>
Its	O
Replace	O
Styles	O
feature	O
is	O
able	O
to	O
reformat	O
a	O
large	O
amount	O
of	O
text	O
scattered	O
throughout	O
a	O
document	O
(	O
a	O
feature	O
also	O
present	O
in	O
OpenOffice.org	B-Application
Writer	I-Application
and	O
in	O
Nisus	B-Operating_System
Writer	I-Operating_System
for	O
Mac	B-Application
OS	I-Application
Classic	I-Application
)	O
.	O
</s>
<s>
Due	O
to	O
its	O
unique	O
approach	O
to	O
implementing	O
many	O
of	O
its	O
features	O
,	O
Mellel	B-Operating_System
originally	O
lacked	O
full	O
compatibility	O
with	O
standard	O
word	B-General_Concept
processors	I-General_Concept
,	O
but--as	O
of	O
July	O
2020--Mellel	O
exports	O
accurately	O
to	O
.docx	O
and	O
to	O
ePub	O
according	O
to	O
the	O
developer	O
's	O
website	O
.	O
</s>
<s>
From	O
the	O
outset	O
,	O
Mellel	B-Operating_System
has	O
exported	O
accurately	O
to	O
.pdf	O
.	O
</s>
<s>
Mellel	B-Operating_System
provides	O
tight	O
integration	O
with	O
Bookends	B-Application
and	O
Sente	O
,	O
bibliographical	O
tools	O
for	O
managing	O
citations	O
,	O
including	O
Live	O
Bibliography	O
(	O
instant	O
updates	O
of	O
Bibliography	O
when	O
one	O
adds	O
a	O
citation	O
)	O
.	O
</s>
<s>
A	O
version	O
of	O
Mellel	B-Operating_System
is	O
available	O
for	O
the	O
iPad	O
.	O
</s>
<s>
Owners	O
of	O
Mellel	B-Operating_System
announced	O
in	O
January	O
2011	O
that	O
they	O
will	O
give	O
free	O
updates	O
for	O
life	O
for	O
anyone	O
who	O
will	O
purchase	O
the	O
application	O
outside	O
the	O
Mac	O
App	O
Store	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
Mellel	B-Operating_System
4.0	O
Mellel	B-Operating_System
AAR	O
,	O
the	O
developer	O
,	O
announced	O
that	O
a	O
for	O
fee	O
upgrade	O
policy	O
was	O
re-instated	O
(	O
two	O
years	O
of	O
free	O
updates	O
)	O
.	O
</s>
<s>
This	O
policy	O
does	O
not	O
apply	O
to	O
users	O
who	O
've	O
purchased	O
Mellel	B-Operating_System
during	O
the	O
"	O
lifetime	O
"	O
period	O
.	O
</s>
<s>
The	O
current	O
version	O
of	O
Mellel	B-Operating_System
,	O
5.0	O
,	O
reportedly	O
supports	O
MacOS	O
10.7.x	O
or	O
later	O
.	O
</s>
<s>
Although	O
Mellel	B-Operating_System
is	O
compatible	O
with	O
OS	O
10.15	O
Catalina	B-Device
,	O
users	O
may	O
not	O
want	O
to	O
upgrade	O
to	O
Catalina	B-Device
if	O
,	O
e.g.	O
,	O
they	O
use	O
MathMagic	B-Application
or	O
MathType	B-Application
to	O
insert	O
equations	O
.	O
</s>
