<s>
MIIS	B-Language
(	O
Meditech	O
Interpretive	O
Information	O
System	O
)	O
is	O
a	O
MUMPS-like	O
programming	O
language	O
that	O
was	O
created	O
by	O
A.Neil	O
Pappalardo	O
and	O
Curt	O
W	O
.	O
Marble	O
,	O
on	O
a	O
DEC	O
PDP	O
at	O
Mass	O
General	O
Hospital	O
from	O
1964	O
to	O
1968	O
.	O
</s>
<s>
MUMPS	B-Language
evolution	O
took	O
two	O
major	O
directions	O
:	O
MUMPS	B-Language
proper	O
and	O
MIIS	B-Language
.	O
</s>
<s>
MUMPS	B-Language
became	O
an	O
ANSI	O
and	O
ISO-standard	O
language	O
.	O
</s>
<s>
When	O
many	O
MUMPS	B-Language
implementations	O
standardized	O
to	O
be	O
compatible	O
,	O
MIIS	B-Language
did	O
not	O
standardize	O
,	O
but	O
became	O
a	O
proprietary	O
system	O
instead	O
.	O
</s>
<s>
As	O
an	O
example	O
of	O
the	O
differences	O
between	O
MUMPS	B-Language
and	O
MIIS	B-Language
,	O
the	O
value	O
of	O
a	O
logical	O
expression	O
in	O
MUMPS	B-Language
may	O
be	O
false	O
=	O
zero	O
or	O
true	O
=	O
non-zero	O
,	O
canonically	O
,	O
one	O
.	O
</s>
<s>
In	O
MIIS	B-Language
,	O
the	O
value	O
false	O
is	O
the	O
empty	O
string	O
and	O
the	O
value	O
of	O
true	O
is	O
a	O
string	O
consisting	O
of	O
the	O
ASCII	O
delete	O
character	O
(	O
code	O
127	O
decimal	O
)	O
.	O
</s>
<s>
MIIS	B-Language
often	O
takes	O
the	O
approach	O
that	O
code	O
should	O
march	O
along	O
,	O
regardless	O
of	O
possible	O
errors	O
,	O
where	O
MUMPS	B-Language
will	O
error	O
out	O
to	O
prevent	O
more	O
serious	O
problems	O
.	O
</s>
<s>
For	O
example	O
,	O
when	O
encountering	O
an	O
undefined	O
variable	O
,	O
MUMPS	B-Language
generates	O
an	O
error	O
where	O
MIIS	B-Language
treats	O
it	O
as	O
nil	O
.	O
</s>
<s>
In	O
the	O
1980s	O
Brigham	O
and	O
Women	O
's	O
Hospital	O
in	O
Massachusetts	O
used	O
MIIS	B-Language
to	O
program	O
their	O
Data	O
General	O
Mainframe	O
.	O
</s>
<s>
In	O
1986	O
,	O
SCAMC	O
that	O
Vancouver	O
General	O
Hospital	O
also	O
had	O
an	O
Integrated	O
Cardiology	O
Patient	O
Management	O
System	O
written	O
in	O
MIIS	B-Language
.	O
</s>
<s>
The	O
MIIS	B-Language
language	O
has	O
been	O
used	O
in	O
programming	O
library	O
systems	O
as	O
well	O
as	O
health	O
industry	O
systems	O
.	O
</s>
