diff --git a/doc/todo/Allow_filenames_that_are_all_type.mdwn b/doc/todo/Allow_filenames_that_are_all_type.mdwn
index 55e29b645..b8b136aeb 100644
--- a/doc/todo/Allow_filenames_that_are_all_type.mdwn
+++ b/doc/todo/Allow_filenames_that_are_all_type.mdwn
@@ -5,6 +5,10 @@ if the plugin can process files of type `.Makefile` then it will also process `M
 I put this patch on the [[todo/syntax_highlighting/]] page a while ago, but it seemed to get
 lost because it didn't have its own bug to track it.  Now it does :).  -- [[Will]]
 
+> This changes `pagename()`, but what about `pagetype()`?
+> Many things in ikiwiki check if `pagetype($file)` returns
+> true to see if it's a page, etc. --[[Joey]] 
+
     diff --git a/IkiWiki.pm b/IkiWiki.pm
     index 8d728c9..1bd46a9 100644
     --- a/IkiWiki.pm