<s>
Mortran	B-Language
(	O
More	O
Fortran	B-Application
)	O
is	O
an	O
extension	O
of	O
the	O
Fortran	B-Application
programming	I-Application
language	I-Application
used	O
for	O
scientific	O
computation	O
.	O
</s>
<s>
Mortran	B-Language
code	O
is	O
macro-processed	O
into	O
Fortran	B-Application
code	O
for	O
compilation	O
.	O
</s>
<s>
Note	O
that	O
Mortran	B-Language
,	O
like	O
many	O
preprocessors	O
,	O
does	O
not	O
make	O
a	O
complete	O
analysis	O
of	O
the	O
Fortran	B-Application
source	O
and	O
,	O
like	O
many	O
preprocessors	O
,	O
may	O
not	O
always	O
make	O
its	O
assumptions/requirements	O
explicit	O
.	O
</s>
<s>
Consider	O
,	O
for	O
example	O
,	O
Mortran	B-Language
multiple	O
assignment	O
.	O
</s>
<s>
From	O
the	O
Mortran	B-Language
User	O
Guide	O
:	O
</s>
<s>
produces	O
the	O
following	O
FORTRAN	B-Application
statements	O
:	O
</s>
<s>
In	O
this	O
example	O
,	O
the	O
produced	O
Fortran	B-Application
implements	O
the	O
multiple	O
assignment	O
correctly	O
only	O
if	O
X	O
is	O
not	O
aliased	O
to	O
I	O
or	O
to	O
A(I,K )	O
,	O
assuming	O
the	O
multiple	O
assignment	O
semantics	O
are	O
left	O
to	O
right	O
.	O
</s>
<s>
The	O
MORTRAN2	O
processor	O
is	O
written	O
in	O
ANSI	O
standard	O
Fortran	B-Application
66	O
,	O
with	O
the	O
only	O
extension	O
the	O
ability	O
to	O
assign	O
and	O
compare	O
character	O
data	O
stored	O
in	O
INTEGER	O
variables	O
.	O
</s>
