diff --git a/configdoc/generate.php b/configdoc/generate.php
index 1941c822..2597777d 100644
--- a/configdoc/generate.php
+++ b/configdoc/generate.php
@@ -1,5 +1,15 @@
 <?php
 
+/*
+TODO:
+- make XML format richer (see below)
+- extend XSLT transformation (see the corresponding XSLT file)
+- allow generation of packaged docs that can be easily moved
+- multipage documentation
+- generate string XML file for types
+- determine how to multilingualize
+*/
+
 /*
 if (php_sapi_name() != 'cli') {
     header('Content-type:text/plain');
@@ -27,10 +37,11 @@ $dom_document->formatOutput = true;
 $dom_root->appendChild($dom_document->createElement('title', 'HTML Purifier'));
 
 /*
-TODO:
+TODO for XML format:
 - namespace descriptions
 - enumerated values
 - default values
+- create a definition (DTD or other) once interface stabilizes
 */
 
 foreach($definition->info as $namespace_name => $namespace_info) {
diff --git a/configdoc/styles/plain.xsl b/configdoc/styles/plain.xsl
index bb0d4563..c3bbc050 100644
--- a/configdoc/styles/plain.xsl
+++ b/configdoc/styles/plain.xsl
@@ -13,6 +13,12 @@
         media-type = "text/html"
     />
     
+    <!--
+        TODO:
+        o Table-ize types
+        o Include CSS
+    -->
+    
     <xsl:template match="/">
         <html lang="en" xml:lang="en">
             <head>
