c:if的疑问，怎么会这样？！


<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ include file="/includes/jsp-tags.jsp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>c_if demo</title>
</head>
<body>
<!-- 这样写不行吗，怎么不是 true 呢？ -->
<c:if test="1==1">
magicalboy!
</c:if>
</body>
</html>