<s>
ALGOL	B-Language
Y	I-Language
was	O
the	O
name	O
given	O
to	O
a	O
speculated	O
successor	O
for	O
the	O
ALGOL	B-Language
60	I-Language
programming	I-Language
language	I-Language
that	O
incorporated	O
some	O
radical	O
features	O
that	O
were	O
rejected	O
for	O
ALGOL	B-Language
68	I-Language
and	O
ALGOL	B-Language
X	I-Language
.	O
ALGOL	B-Language
Y	I-Language
was	O
intended	O
to	O
be	O
a	O
"	O
radical	O
reconstruction	O
"	O
of	O
ALGOL	O
.	O
</s>
<s>
One	O
such	O
feature	O
was	O
the	O
possibility	O
to	O
construct	O
new	O
proc	O
mode	O
's	O
at	O
run-time	B-Library
,	O
which	O
was	O
criticized	O
as	O
the	O
"	O
ability	O
to	O
modify	O
its	O
own	O
programs	O
at	O
run	B-Library
time	I-Library
"	O
while	O
,	O
on	O
the	O
other	O
hand	O
,	O
it	O
would	O
have	O
brought	O
ALGOL	B-Language
Y	I-Language
to	O
the	O
same	O
level	O
of	O
expressiveness	O
as	O
LISP	B-Language
.	O
</s>
