<s>
Digital	B-Language
Mars	I-Language
is	O
a	O
small	O
American	O
software	O
company	O
owned	O
by	O
Walter	O
Bright	O
and	O
based	O
in	O
Vienna	O
,	O
Virginia	O
,	O
that	O
makes	O
C	B-Language
,	O
C++	B-Language
and	O
D	B-Application
compilers	O
,	O
and	O
associated	O
utilities	O
such	O
as	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
for	O
Windows	B-Application
and	O
DOS	B-Device
,	O
which	O
Digital	B-Language
Mars	I-Language
terms	O
an	O
integrated	O
development	O
and	O
debugging	O
environment	O
(	O
IDDE	O
)	O
.	O
</s>
<s>
The	O
C	B-Language
compiler	O
was	O
first	O
named	O
Datalight	O
C	B-Language
compiler	O
,	O
then	O
Zorland	O
C	B-Language
,	O
then	O
Zortech	O
C	B-Language
,	O
and	O
now	O
[	O
since	O
when	O
?	O
]	O
</s>
<s>
Digital	B-Language
Mars	I-Language
C/C	O
++	O
compiler	O
.	O
</s>
<s>
The	O
C++	B-Language
compiler	O
was	O
first	O
named	O
Zortech	B-Language
C++	I-Language
(	O
the	O
first	O
commercial	O
C++	B-Language
compiler	O
for	O
Windows	B-Application
)	O
,	O
then	O
Symantec	O
C++	B-Language
,	O
and	O
now	O
Digital	B-Language
Mars	I-Language
C++	I-Language
(	O
DMC++	O
)	O
.	O
</s>
<s>
The	O
company	O
has	O
gained	O
notice	O
in	O
the	O
software	O
development	O
community	O
for	O
the	O
D	B-Application
programming	I-Application
language	I-Application
,	O
which	O
was	O
developed	O
in-house	O
and	O
a	O
result	O
of	O
Bright	O
's	O
frustration	O
with	O
the	O
direction	O
of	O
the	O
C++	B-Language
language	I-Language
and	O
his	O
experience	O
implementing	O
it	O
.	O
</s>
<s>
In	O
2002	O
,	O
Digital	B-Language
Mars	I-Language
released	O
DMDScript	B-Language
,	O
an	O
ECMA-262-compliant	O
JavaScript	B-Language
engine	I-Language
,	O
written	O
in	O
the	O
D	B-Application
language	I-Application
.	O
</s>
<s>
In	O
1988	O
Zortech	B-Language
C++	I-Language
was	O
the	O
first	O
C++	B-Language
compiler	O
to	O
ship	O
for	O
Windows	B-Application
and	O
the	O
performance	O
of	O
its	O
compiled	O
executables	O
compared	O
favourably	O
against	O
Microsoft	O
C	B-Language
5.1	O
and	O
Watcom	O
C	B-Language
6.5	O
in	O
a	O
graphics	O
benchmark	O
run	O
by	O
PC	O
Magazine	O
.	O
</s>
<s>
Stanley	O
B	O
.	O
Lippman	O
described	O
how	O
Zortech	B-Language
C++	I-Language
was	O
the	O
first	O
compiler	O
to	O
implement	O
return	O
value	O
optimization	O
,	O
a	O
now	O
obligatory	O
optimization	O
for	O
any	O
C++	B-Language
compiler	O
.	O
</s>
