Further HTML5-fication, plus fix some case consistency mismatches.

tpl/_debug.tpl

@@ -1,7 +1,7 @@
 % if(! ~ $#debug_shell 0) {
 <form method="POST" name="prompt">
-<input size="80" type="text" name="command" value="%($"post_arg_command%)" />
-<input type="submit" Value="Run" />
+<input size="80" type="text" name="command" value="%($"post_arg_command%)">
+<input type="submit" Value="Run">
 </form>
 <script language="javascript"><!--
 document.prompt.command.focus()
@@ -14,16 +14,16 @@ fn evl {
     rc -c 'flag s +; flag x +;'^$post_arg_command
 }
     if(! ~ $#post_arg_command 0 && ! ~ $#post_arg_command '') {
-        echo '<hr /><pre>'
+        echo '<hr><pre>'
         evl | escape_html |[2] awk '{print "<b>"$0"</b>"}' 
         echo '</pre>'
     }
 %}
 % }
 
-<hr /><pre>
+<hr><pre>
 % env | escape_html
-</pre><hr />
+</pre><hr>
 
 % umask