diff -ruN luatex-beta-0.70.1.patched.orig/source/texk/web2c/luatexdir/image/epdf.h luatex-beta-0.70.1.patched/source/texk/web2c/luatexdir/image/epdf.h
--- luatex-beta-0.70.1.patched.orig/source/texk/web2c/luatexdir/image/epdf.h	2011-05-19 07:38:37.000000000 +0200
+++ luatex-beta-0.70.1.patched/source/texk/web2c/luatexdir/image/epdf.h	2014-10-11 12:17:00.028331243 +0200
@@ -33,6 +33,7 @@
 #  include <sys/stat.h>
 #  include <dirent.h>
 #  include <poppler-config.h>
+#  include <StructTreeRoot.h>
 #  include <goo/GooString.h>
 #  include <goo/gmem.h>
 #  include <goo/gfile.h>
diff -ruN luatex-beta-0.70.1.patched.orig/source/texk/web2c/luatexdir/lua/lepdflib.cc luatex-beta-0.70.1.patched/source/texk/web2c/luatexdir/lua/lepdflib.cc
--- luatex-beta-0.70.1.patched.orig/source/texk/web2c/luatexdir/lua/lepdflib.cc	2014-10-11 12:24:52.509357663 +0200
+++ luatex-beta-0.70.1.patched/source/texk/web2c/luatexdir/lua/lepdflib.cc	2014-10-11 12:42:03.665415321 +0200
@@ -48,23 +48,24 @@
 
 //**********************************************************************
 
-#define M_Annot            "Annot"
-#define M_Annots           "Annots"
-#define M_Array            "Array"
-#define M_Catalog          "Catalog"
-#define M_Dict             "Dict"
-#define M_GooString        "GooString"
-#define M_LinkDest         "LinkDest"
-#define M_Link             "Link"
-#define M_Links            "Links"
-#define M_Object           "Object"
-#define M_Page             "Page"
-#define M_PDFDoc           "PDFDoc"
-#define M_PDFRectangle     "PDFRectangle"
-#define M_Ref              "Ref"
-#define M_Stream           "Stream"
-#define M_XRefEntry        "XRefEntry"
-#define M_XRef             "XRef"
+#define M_Annot            "epdf.Annot" /* ls-hh: epdf.* gives better protection in registry */
+#define M_Annots           "epdf.Annots"
+#define M_Array            "epdf.Array"
+#define M_Catalog          "epdf.Catalog"
+#define M_Dict             "epdf.Dict"
+#define M_GooString        "epdf.GooString"
+#define M_LinkDest         "epdf.LinkDest"
+#define M_Link             "epdf.Link"
+#define M_Links            "epdf.Links"
+#define M_Object           "epdf.Object"
+#define M_Page             "epdf.Page"
+#define M_PDFDoc           "epdf.PDFDoc"
+#define M_PDFRectangle     "epdf.PDFRectangle"
+#define M_Ref              "epdf.Ref"
+#define M_Stream           "epdf.Stream"
+#define M_StructTreeRoot   "epdf.StructTreeRoot"
+#define M_XRef             "epdf.XRef"
+#define M_XRefEntry        "epdf.XRefEntry"
 
 //**********************************************************************
 
@@ -92,6 +93,7 @@
 new_poppler_userdata(PDFRectangle);
 new_poppler_userdata(Ref);
 new_poppler_userdata(Stream);
+new_poppler_userdata(StructTreeRoot);
 new_poppler_userdata(XRef);
 
 //**********************************************************************
@@ -565,7 +567,11 @@
 
 m_poppler_get_GOOSTRING(Catalog, getBaseURI);
 m_poppler_get_GOOSTRING(Catalog, readMetadata);
+#ifdef GETSTRUCTTREEROOT_RETURNS_OBJECT
 m_poppler_get_poppler(Catalog, Object, getStructTreeRoot);
+#else
+m_poppler_get_poppler(Catalog, StructTreeRoot, getStructTreeRoot);
+#endif
 
 static int m_Catalog_findPage(lua_State * L)
 {
@@ -2048,14 +2054,22 @@
 
 static int m_PDFDoc_getStructTreeRoot(lua_State * L)
 {
+#ifdef GETSTRUCTTREEROOT_RETURNS_OBJECT
     Object *obj;
+#else
+    StructTreeRoot *obj;
+#endif
     udstruct *uin, *uout;
     uin = (udstruct *) luaL_checkudata(L, 1, M_PDFDoc);
     if (uin->pd != NULL && uin->pd->pc != uin->pc)
         pdfdoc_changed_error(L);
     if (((PdfDocument *) uin->d)->doc->getCatalog()->isOk()) {
         obj = ((PdfDocument *) uin->d)->doc->getStructTreeRoot();
+#ifdef GETSTRUCTTREEROOT_RETURNS_OBJECT
         uout = new_Object_userdata(L);
+#else
+        uout = new_StructTreeRoot_userdata(L);
+#endif
         uout->d = obj;
         uout->pc = uin->pc;
         uout->pd = uin->pd;