<s>
SabreTalk	B-Language
is	O
a	O
discontinued	O
dialect	O
of	O
PL/I	B-Language
for	O
the	O
S/360	B-Application
IBM	B-Device
mainframes	I-Device
running	O
the	O
TPF	B-Operating_System
platform	O
.	O
</s>
<s>
SabreTalk	B-Language
was	O
developed	O
jointly	O
by	O
American	O
Airlines	O
,	O
Eastern	O
Air	O
Lines	O
and	O
IBM	O
.	O
</s>
<s>
SabreTalk	B-Language
is	O
known	O
as	O
PL/TPF	O
(	O
Programming	O
Language	O
for	O
TPF	B-Operating_System
)	O
.	O
</s>
<s>
SabreTalk	B-Language
programs	O
still	O
run	O
in	O
the	O
British	O
Airways	O
Flight	O
Operations	O
system	O
(	O
FICO	O
)	O
under	O
ALCS	O
,	O
using	O
a	O
commercially	O
available	O
automatic	O
converter	O
to	O
translate	O
SabreTalk	B-Language
programs	O
to	O
C	B-Language
programs	I-Language
.	O
</s>
<s>
Both	O
the	O
Reservations	O
and	O
Operations	O
Support	O
System	O
(	O
OSS	O
)	O
of	O
Delta	O
Air	O
Lines	O
were	O
developed	O
using	O
both	O
SabreTalk	B-Language
and	O
IBM	B-Application
360	I-Application
Assembler	O
.	O
</s>
<s>
Although	O
development	O
is	O
currently	O
restricted	O
to	O
C++	B-Language
,	O
the	O
majority	O
of	O
Delta	O
's	O
programming	O
platform	O
remained	O
in	O
Sabretalk	B-Language
until	O
recently	O
in	O
the	O
2010s	O
.	O
</s>
<s>
from	O
SabreTalk	B-Language
to	O
C	B-Language
and	O
discontinued	O
support	O
by	O
the	O
original	O
developers	O
,	O
several	O
companies	O
are	O
beginning	O
the	O
move	O
away	O
from	O
SabreTalk	B-Language
to	O
purely	O
C-based	O
programs	O
.	O
</s>
