diff --git a/docs/spec.txt b/docs/spec.txt
index 2b4684b2..e4a60d42 100644
--- a/docs/spec.txt
+++ b/docs/spec.txt
@@ -63,10 +63,6 @@ hold everything in an associative $info array, if it's set, it's valid, and
 we can include. Otherwise zap it, or attempt to figure out what they meant.
 <stronf>? A misspelling of <strong>! This feature may be too sugary though.
 
-While we're at it, we can change the Processing Instructions and Java/ASP
-Instructions into data blocks, scratch comment blocks, change CharacterData
-into Data (although I don't see why we can't do that at the start).
-
 One last thing: the remove foreign elements has to do the element
 transformations, from FONT to SPAN, etc.
 
diff --git a/library/HTMLPurifier/AttrDef/ID.php b/library/HTMLPurifier/AttrDef/ID.php
index a88386ba..bc3015f6 100644
--- a/library/HTMLPurifier/AttrDef/ID.php
+++ b/library/HTMLPurifier/AttrDef/ID.php
@@ -6,7 +6,7 @@ require_once 'HTMLPurifier/IDAccumulator.php';
 class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
 {
     
-    function validate($id, $accumulator) {
+    function validate($id, &$accumulator) {
         
         $id = @ (string) $id; // sanity check
         
diff --git a/tests/HTMLPurifier/Strategy/CompositeTest.php b/tests/HTMLPurifier/Strategy/CompositeTest.php
index b2ef7a06..769971f7 100644
--- a/tests/HTMLPurifier/Strategy/CompositeTest.php
+++ b/tests/HTMLPurifier/Strategy/CompositeTest.php
@@ -29,7 +29,7 @@ class HTMLPurifier_Strategy_CompositeTest extends UnitTestCase
         
         // setup the object
         
-        $strategies = array($mock_1, $mock_2, $mock_3);
+        $strategies = array(&$mock_1, &$mock_2, &$mock_3);
         $composite = new HTMLPurifier_Strategy_Composite_Test($strategies);
         
         // setup expectations