diff --git a/coder_upgrade/CHANGELOG.txt b/coder_upgrade/CHANGELOG.txt
index ede7b12d39f4c8dc12c64886da4e1769796e00d6..74c74570084ef5f91364fd267081b7336d4c5211 100644
--- a/coder_upgrade/CHANGELOG.txt
+++ b/coder_upgrade/CHANGELOG.txt
@@ -7,6 +7,7 @@ coder_upgrade 7.x-1.x, 2009-xx-xx (development version)
    * Separate middle conversion routines into two groups (regex and parser) to utilize the PGP API.
    * Add handler specification (regex or parser) for the middle changes applied at the file level.
    * Revise API documentation.
+   * Implement initial batch of conversion routines using the PGP API.
 
 - Changes (2009-08-04):
    * Rename hook_perm and the permission.
diff --git a/coder_upgrade/coder_upgrade.info b/coder_upgrade/coder_upgrade.info
index 0366bf1ef2e3fe0bc70e4eef60b617cd9a817feb..66f9b82a61cff63eb1b30f7c504fdd1220f498ec 100644
--- a/coder_upgrade/coder_upgrade.info
+++ b/coder_upgrade/coder_upgrade.info
@@ -17,6 +17,6 @@ files[] = conversions/coder_upgrade.end.inc
 ; files[] = conversions/coder_upgrade.install.inc
 files[] = conversions/coder_upgrade.list.inc
 files[] = conversions/coder_upgrade.main.inc
-; files[] = conversions/coder_upgrade.other.inc
+files[] = conversions/coder_upgrade.other.inc
 
 core = 7.x
diff --git a/coder_upgrade/conversions/coder_upgrade.end.inc b/coder_upgrade/conversions/coder_upgrade.end.inc
index cd0e05e91632885a949837034179526b495d4028..1e833caf85b3c18e442be76134f1d972f75973d1 100644
--- a/coder_upgrade/conversions/coder_upgrade.end.inc
+++ b/coder_upgrade/conversions/coder_upgrade.end.inc
@@ -111,7 +111,7 @@ function coder_upgrade_add_file_entries($dirname = '', $files = array(), &$items
 
   // Create list of files for registry.
   // TODO Allow for custom extensions!!!
-  $extensions = array('inc', 'install', 'module', 'php');
+  $extensions = array('inc', 'install', 'module', 'php', 'test');
   $path = $path != '' ? $path . '/' : $path;
   foreach ($files as $file) {
     if (is_array($file)) {
diff --git a/coder_upgrade/conversions/coder_upgrade.list.inc b/coder_upgrade/conversions/coder_upgrade.list.inc
index 4bc56f5d11d2510a4bf07bb3a70ddc9916f0a165..e83139bdc5912cbde469403cdba5bad9ab150fdd 100644
--- a/coder_upgrade/conversions/coder_upgrade.list.inc
+++ b/coder_upgrade/conversions/coder_upgrade.list.inc
@@ -50,6 +50,13 @@ function coder_upgrade_conversions_list() {
     'end' => array(),
   );
 
+  $list['middle'] = array(
+    array(
+      'name' => 'simple_changes',
+      'type' => 'parser',
+    ),
+  );
+
   $list['end'] = array('end');
 
   return $list;
diff --git a/coder_upgrade/conversions/coder_upgrade.other.inc b/coder_upgrade/conversions/coder_upgrade.other.inc
new file mode 100644
index 0000000000000000000000000000000000000000..fd4413e255261e5e57a0e09291b89c54ca3a8142
--- /dev/null
+++ b/coder_upgrade/conversions/coder_upgrade.other.inc
@@ -0,0 +1,53 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Other conversion routine file for the coder_upgrade module.
+ *
+ * The functions in these conversion routine files correspond to the topics in
+ * the category roadmap at http://drupal.org/node/394070 that are marked with
+ * a "Yes" in the Upgrade column.
+ *
+ * Copyright 2008-9 by Jim Berry ("solotandem", http://drupal.org/user/240748)
+ */
+
+/**
+ * Miscellaneous routine for simple changes.
+ *
+ * http://drupal.org/node/224333#registry
+ * http://drupal.org/node/224333#drupal_set_session (REVERTED)
+ * http://drupal.org/node/224333#time
+ * http://drupal.org/node/224333#rebuild_functions
+ *
+ * @param PGPReader $reader
+ *   The object containing the grammar statements of the file to convert.
+ */
+function coder_upgrade_convert_simple_changes(&$reader) {
+  $editor = new PGPEditor();
+  $types = array(T_STRING);
+  $editor->traverse_callback($reader->getFunctionCalls(), 'coder_upgrade_callback_simple_changes', $types);
+}
+
+function coder_upgrade_callback_simple_changes(&$item) {
+  $name = &$item['name'];
+  $value = &$name['value'];
+  switch ($name['value']) {
+    case 'drupal_rebuild_code_registry':
+      $name['value'] = 'registry_rebuild';
+      break;
+
+    case 'drupal_rebuild_theme_registry':
+      $name['value'] = 'drupal_theme_rebuild';
+      break;
+
+    case 'function_exists':
+      $name['value'] = 'drupal_function_exists';
+      break;
+
+    case 'time':
+      $temp = $editor->expressionToStatement('REQUEST_TIME');
+      $item = $temp['operand_1'];
+      break;
+  }
+}