<s>
ECLR-attributed	B-Application
grammars	I-Application
are	O
a	O
special	O
type	O
of	O
attribute	B-Application
grammars	I-Application
.	O
</s>
<s>
They	O
are	O
a	O
variant	O
of	O
LR-attributed	B-Application
grammars	I-Application
where	O
an	O
equivalence	O
relation	O
on	O
inherited	O
attributes	O
is	O
used	O
to	O
optimize	O
attribute	O
evaluation	O
.	O
</s>
<s>
Rie	O
is	O
based	O
on	O
ECLR-attributed	B-Application
grammars	I-Application
.	O
</s>
