tld文件错误，感觉莫名其妙的

Question

<?xml version="1.0" encoding="UTF-8" ?><taglib xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
    version="2.0">
    <tlib-version>1.0</tlib-version>    <function>
        <description>Reverses the characters in the given String</description>
        <name>reverse</name>
<function-class>jsp2.examples.el.Functions</function-class>
<function-signature>java.lang.String reverse( java.lang.String )</function-signature>
    </function>
    <function>
        <description>Counts the number of vowels (a,e,i,o,u) in the given String</description>
        <name>numVowels</name>
<function-class>jsp2.examples.el.Functions</function-class>
<function-signature>java.lang.Integer numVowels( java.lang.String )</function-signature>
    </function>
</taglib>在第一行“<?xml”中提示：The word 'xml' is not correctly spelled在“<taglib xmlns="http://java.sun.com/xml/ns/j2ee"”中提示：The word 'xmlns' is not correctly spelled在第一个“ <function>”提示如下错误：
cvc-complex-type.2.4.a: Invalid content was found starting 
 with element 'function'. One of '{"http://java.sun.com/xml/
 ns/j2ee":short-name}' is expected.请高手解答，先在这谢谢了