升级Tomcat版本 apache-tomcat-7.0.77
diff --git a/tomcat-cas/webapps/examples/jsp/plugin/plugin.jsp b/tomcat-cas/webapps/examples/jsp/plugin/plugin.jsp
index 12db7d4..3347f6e 100644
--- a/tomcat-cas/webapps/examples/jsp/plugin/plugin.jsp
+++ b/tomcat-cas/webapps/examples/jsp/plugin/plugin.jsp
@@ -1,5 +1,4 @@
-<html>
-<!--
+<%--
  Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
@@ -14,7 +13,8 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
--->
+--%>
+<html>
 <title> Plugin example </title>
 <body bgcolor="white">
 <h3> Current time is : </h3>
@@ -25,7 +25,7 @@
 </jsp:plugin>
 <p>
 <h4>
-<font color=red> 
+<font color=red>
 The above applet is loaded using the Java Plugin from a jsp page using the
 plugin tag.
 </font>