<s>
REgular	B-Language
LAnguage	I-Language
description	I-Language
for	I-Language
XML	I-Language
(	O
RELAX	B-Language
)	O
is	O
a	O
specification	O
for	O
describing	O
XML-based	O
languages	O
.	O
</s>
<s>
A	O
description	O
written	O
in	O
RELAX	B-Language
is	O
called	O
a	O
RELAX	B-Language
grammar	O
.	O
</s>
<s>
RELAX	B-Language
Core	O
has	O
been	O
approved	O
as	O
an	O
ISO/IEC	O
Technical	O
Report	O
22250-1	O
in	O
2002	O
(	O
ISO/IEC	O
TR	O
22250-1:2002	O
)	O
.	O
</s>
<s>
RELAX	B-Language
was	O
designed	O
by	O
Murata	O
Makoto	O
.	O
</s>
<s>
In	O
2001	O
,	O
an	O
XML	B-Protocol
schema	O
language	O
RELAX	B-Language
NG	I-Language
was	O
created	O
by	O
unifying	O
of	O
RELAX	B-Language
Core	O
and	O
James	O
Clark	O
's	O
TREX	O
.	O
</s>
