IE=edge 대소문자 주의

i_other/help.php

@@ -12,7 +12,7 @@ $category = Util::getReq('category', 'int', 0);
 
     <head>
     <meta charset="UTF-8">
-<meta http-equiv="X-UA-Compatible" content="ie=edge">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=1024" />
         <title>튜토리얼</title>
 <?=WebUtil::printCSS('../d_shared/common.css')?>