diff --git a/PureHTMLDefinition.php b/PureHTMLDefinition.php
index e8e05b5c..80bb530e 100644
--- a/PureHTMLDefinition.php
+++ b/PureHTMLDefinition.php
@@ -6,6 +6,7 @@ class PureHTMLDefinition
     var $generator;
     var $info = array();
     var $info_closes_p = array(
+        // these are all block elements: blocks aren't allowed in P
         'address'       => true,
         'blockquote'    => true,
         'dd'            => true,
@@ -237,6 +238,10 @@ class PureHTMLDefinition
                         continue;
                     }
                     
+                    // this is more TIDY stuff
+                    // we should also get some TABLE related code
+                    // mismatched h#
+                    
                     $current_nesting[] = $current_parent; // undo the pop
                 }
                 
diff --git a/tests/PureHTMLDefinition.php b/tests/PureHTMLDefinition.php
index ed420e86..2c15fefa 100644
--- a/tests/PureHTMLDefinition.php
+++ b/tests/PureHTMLDefinition.php
@@ -150,6 +150,8 @@ class Test_PureHTMLDefinition extends UnitTestCase
            ,new MF_EndTag('div')
             );
         
+        // automatic list closing
+        
         $inputs[9] = array(
             new MF_StartTag('ol')
            ,new MF_StartTag('li')