what is wrong with this xml code

[vikas varshney]

<?xml version="1.0" ?>
<!DOCTYPE root[
<!ELEMENT name(age,sex)>
<!ELEMENT age(#PCDATA)>
<!ELEMENT sex(#PCDATA)>
]>
<name>
<age>20</age>
<sex>m</sex>
</name>

[William Brogden]

XMLSPY found problems with - missing spaces and mismatched root name. Corrected:

<?xml version="1.0"?>
<!-- edited with XML Spy v4.3 U (http://www.xmlspy.com)  -->
<!DOCTYPE name [
	<!ELEMENT name (age, sex)>
	<!ELEMENT age (#PCDATA)>
	<!ELEMENT sex (#PCDATA)>
]>
<name>
	<age>20</age>
	<sex>m</sex>
</name>