<s>
SuperTalk	B-Language
is	O
the	O
scripting	O
language	O
used	O
in	O
SuperCard	B-Operating_System
.	O
</s>
<s>
SuperTalk	B-Language
is	O
a	O
descendant	O
of	O
HyperTalk	B-Language
.	O
</s>
<s>
One	O
of	O
the	O
most	O
powerful	O
features	O
SuperCard	B-Operating_System
adds	O
to	O
the	O
HyperTalk	B-Language
language	O
is	O
user	O
properties	O
.	O
</s>
<s>
Where	O
HyperTalk	B-Language
had	O
a	O
fixed	O
set	O
of	O
properties	O
on	O
its	O
objects	O
,	O
SuperCard	B-Operating_System
scripters	O
can	O
use	O
the	O
define	O
property	O
propName	O
command	O
to	O
add	O
new	O
properties	O
to	O
buttons	O
and	O
fields	O
.	O
</s>
<s>
SuperTalk	B-Language
provides	O
several	O
variations	O
on	O
HyperTalk	B-Language
's	O
answer	O
and	O
answer	O
file	O
commands	O
,	O
which	O
let	O
one	O
choose	O
several	O
items	O
from	O
a	O
list	O
,	O
choose	O
an	O
icon	O
from	O
all	O
available	O
icons	O
,	O
pick	O
a	O
MIDI	O
instrument	O
to	O
play	O
sound	O
with	O
,	O
or	O
choose	O
a	O
file	O
of	O
a	O
supported	O
image	O
format	O
(	O
including	O
a	O
preview	O
)	O
,	O
or	O
disks	O
and	O
folders	O
.	O
</s>
<s>
Different	O
from	O
HyperTalk	B-Language
's	O
dialogs	O
,	O
SuperTalk	B-Language
answer	O
and	O
ask	O
dialogs	O
do	O
not	O
all	O
resize	O
dynamically	O
to	O
hold	O
more	O
text	O
.	O
</s>
<s>
However	O
,	O
since	O
SuperCard	B-Operating_System
allows	O
having	O
cards	O
(	O
i.e.	O
</s>
<s>
SuperTalk	B-Language
also	O
has	O
an	O
alert	O
command	O
that	O
displays	O
standard	O
system	O
alert	O
windows	O
and	O
sheets	O
,	O
including	O
standard	O
system	O
icons	O
.	O
</s>
<s>
SuperCard	B-Operating_System
also	O
offers	O
exception	B-General_Concept
handling	I-General_Concept
using	O
a	O
try	O
statement	O
with	O
associated	O
throw	O
command	O
.	O
</s>
<s>
SuperTalk	B-Language
came	O
with	O
a	O
source-level	O
debugger	O
well	O
ahead	O
of	O
HyperCard	O
,	O
but	O
the	O
SuperTalk	B-Language
debugger	O
is	O
a	O
modal	O
window	O
and	O
does	O
not	O
let	O
you	O
set	O
breakpoints	O
by	O
just	O
clicking	O
beside	O
a	O
line	O
.	O
</s>
<s>
Because	O
of	O
that	O
,	O
the	O
SuperTalk	B-Language
debugger	O
has	O
to	O
be	O
explicitly	O
turned	O
on	O
instead	O
of	O
being	O
available	O
right	O
away	O
when	O
a	O
script	O
error	O
occurs	O
.	O
</s>
<s>
It	O
differs	O
noticeably	O
from	O
the	O
XCMD	O
protocol	O
,	O
and	O
also	O
does	O
n't	O
use	O
the	O
xWindoid	O
protocol	O
later	O
introduced	O
for	O
adding	O
windows	O
to	O
HyperTalk	B-Language
.	O
</s>
<s>
SuperTalk	B-Language
also	O
uses	O
a	O
launch	O
command	O
for	O
starting	O
up	O
external	O
applications	O
,	O
different	O
from	O
HyperTalk	B-Language
's	O
open	O
command	O
,	O
which	O
SuperTalk	B-Language
uses	O
for	O
opening	O
its	O
various	O
windows	O
(	O
HyperTalk	B-Language
deviated	O
here	O
by	O
using	O
)	O
.	O
</s>
<s>
Of	O
course	O
SuperTalk	B-Language
also	O
exposes	O
SuperCard	B-Operating_System
's	O
expanded	O
object	O
model	O
,	O
making	O
it	O
possible	O
to	O
create	O
sliders	O
,	O
scroll	O
bars	O
,	O
progress	O
indicators	O
and	O
other	O
scales	O
,	O
scriptable	O
paint	O
and	O
draw	O
graphics	O
,	O
and	O
native	O
listbox	O
and	O
first-class	O
menu	O
objects	O
.	O
</s>
<s>
Some	O
parts	O
of	O
SuperCard	B-Operating_System
deviate	O
from	O
the	O
English-like-ness	O
of	O
HyperTalk	B-Language
.	O
</s>
