Index: deadwood.conversions.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/deadwood/deadwood.conversions.inc,v
retrieving revision 1.17
diff -u -r1.17 deadwood.conversions.inc
--- deadwood.conversions.inc	28 Mar 2009 20:26:56 -0000	1.17
+++ deadwood.conversions.inc	2 Jun 2009 11:20:22 -0000
@@ -980,7 +980,16 @@
   $pattern = "/_help\((.+)\)/";
   preg_match($pattern, $cur, $matches);
   if (isset($matches[1])) {
-    $old_param = $matches[1];
+    // if the function argument includes default argument
+    // values match the pattern before the (=) equals signs
+    // to find the correct paramater name to use
+    preg_match("/^(.+)\s\=/", $matches[1], $catches);
+    if (isset($catches[1])) {
+      $old_param = $catches[1];
+    }
+    else {
+      $old_param = $matches[1];
+    }
   }
   // hook_help() parameters are changed
   // Change function parameter signature.