Index: doc/+default+
===================================================================
--- doc/+default+	(revision 8895)
+++ doc/+default+	(working copy)
@@ -24,6 +24,8 @@
 (define response-type
   (cond
    ((local-path:endsWith ".css") 'text/css)
+   ((local-path:endsWith ".html") 'text/html)
+   ((local-path:endsWith ".png") 'image/png)
    ((local-path:endsWith ".js") 'application/javascript)
    (else 'application/xhtml+xml)))