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myfaces-2.1.7、Tomcat-7.0.27

似乎 jstl 并没有很随意地传播到复合元素中。谁能解释我的示例页面的输出：

直接的：

String:f0,f1,f2,f3,f4,f5
Array: f0 f1 f2 f3 f4 f5
Array2: f0 f1 f2 f3 f4 f5

内部复合（相同的 JSTL）：

String:f0,f1,f2,f3,f4,f5
Array: f0
Array2: f0 f1 f2 f3 f4 f5

内部复合（相同的 JSTL，myfaces-2.1.6）：

String:f0,f1,f2,f3,f4,f5
Array:
Array2:

这是一个错误吗？

复合材料：'testje2.xhtml'：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html 
  xmlns="http://www.w3.org/1999/xhtml"
  xmlns:composite="http://java.sun.com/jsf/composite"
>

  <composite:interface>
  </composite:interface>

  <composite:implementation>
     <composite:insertChildren/>
  </composite:implementation>
</html>

页面“test.xhtml”：

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
[
    <!ENTITY euro   "&#8364;">
    <!ENTITY nbsp   "&#160;" >
    <!ENTITY hearts "&#9829;" >
]>  

<html
    xmlns="http://www.w3.org/1999/xhtml"
    xmlns:fn="http://java.sun.com/jsp/jstl/functions"
    xmlns:c="http://java.sun.com/jsp/jstl/core"
    xmlns:vm="http://java.sun.com/jsf/composite/vm"
>   

<body>
    <c:set var="combined1" value="f0"/>
    <c:set var="extra1" value="#{fn:split('f1,f2,f3,f4,f5', ',')}"/>
    <c:forEach begin="0" end="4" var="index">
            <c:set var="combined1" value="#{combined1},#{extra1[index]}"/>
    </c:forEach>
    <c:set var="combined1Array" value="#{fn:split(combined1, ',')}"/>
    String:#{combined1}<br/>
    Array:
    <c:forEach items="#{combined1Array}" var="value">
            #{value} 
    </c:forEach>
    <br/>
    Array2:
    <c:forEach items="#{fn:split(combined1, ',')}" var="value">
            #{value} 
    </c:forEach>

    <br/>
    <br/>

    <vm:testje2>
        <c:set var="combined" value="f0"/>
        <c:set var="extra" value="#{fn:split('f1,f2,f3,f4,f5', ',')}"/>
        <c:forEach begin="0" end="4" var="index">
            <c:set var="combined" value="#{combined},#{extra[index]}"/>
        </c:forEach>
        <c:set var="combinedArray" value="#{fn:split(combined, ',')}"/>
        String:#{combined}<br/>
        Array:
        <c:forEach items="#{combinedArray}" var="value">
            #{value} 
        </c:forEach>
        <br/>
        Array2:
        <c:forEach items="#{fn:split(combined, ',')}" var="value">
            #{value} 
        </c:forEach>
    </vm:testje2>
</body>
</html>
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