<s>
LSE	B-Language
(	O
)	O
is	O
a	O
programming	O
language	O
developed	O
at	O
Supélec	O
and	O
Télémécanique	O
from	O
the	O
late	O
1960s	O
to	O
the	O
mid-1970s	O
.	O
</s>
<s>
LSE	B-Language
originally	O
flourished	O
because	O
being	O
"	O
interpreted	O
"	O
,	O
the	O
"	O
tokens	O
"	O
used	O
were	O
common	O
to	O
all	O
languages	O
and	O
with	O
a	O
nationalized	O
"	O
editor	O
"	O
,	O
tokenized	O
programs	O
could	O
be	O
listed	O
in	O
any	O
language	O
.	O
</s>
<s>
It	O
went	O
through	O
a	O
number	O
of	O
revisions	O
;	O
earlier	O
versions	O
of	O
LSE	B-Language
lacked	O
full	O
support	O
for	O
structured	B-Language
programming	I-Language
,	O
later	O
versions	O
such	O
as	O
LSE-83	O
(	O
aka	O
LSE-1983	O
)	O
by	O
Jacques	O
Arsac	O
added	O
structured	B-Language
programming	I-Language
support	O
,	O
along	O
with	O
exception	B-General_Concept
handling	I-General_Concept
.	O
</s>
<s>
Even	O
later	O
revisions	O
,	O
such	O
as	O
LSE-2000	O
,	O
added	O
more	O
functionality	O
,	O
new	O
types	O
,	O
new	O
operators	O
(	O
NI	O
,	O
ET	O
QUE	O
,	O
OU	O
QUE	O
and	O
SELON-DANS-SINON	O
)	O
,	O
flow	O
control	O
commands	O
,	O
etc	O
.	O
</s>
