Changed debug error view to escape the exception value, so that values in angle…

Changed debug error view to escape the exception value, so that values in angle brackets aren't hidden by browsers

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1825 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/views/debug.py

@@ -280,7 +280,7 @@ TECHNICAL_500_TEMPLATE = """
 
 <div id="summary">
   <h1>{{ exception_type }} at {{ request.path }}</h1>
-  <h2>{{ exception_value }}</h2>
+  <h2>{{ exception_value|escape }}</h2>
   <table class="meta">
     <tr>
       <th>Request Method:</th>