--- xpdf-3.01/xpdf/XPDFCore.cc.core	2005-08-24 16:52:43.000000000 +0200
+++ xpdf-3.01/xpdf/XPDFCore.cc	2005-08-24 16:58:03.000000000 +0200
@@ -466,6 +466,10 @@
   GString *msg;
   int i;
 
+  if (action == NULL)
+    // Nothing to do.
+    return;
+
   switch (kind = action->getKind()) {
 
   // GoTo / GoToR action