diff --git a/src/App/Application.cpp b/src/App/Application.cpp
index 30033380a1..17b99601fb 100644
--- a/src/App/Application.cpp
+++ b/src/App/Application.cpp
@@ -1475,6 +1475,28 @@ void Application::ParseOptions(int ac, char ** av)
     //x11.add_options()
     //    ("display",  boost::program_options::value< string >(), "set the X-Server")
     //    ;
+    //0000723: improper handling of qt specific comand line arguments
+    std::vector<std::string> args;
+    bool merge=false;
+    for (int i=1; i<ac; i++) {
+        if (merge) {
+            merge = false;
+            args.back() += "=";
+            args.back() += av[i];
+        }
+        else {
+            args.push_back(av[i]);
+        }
+        if (strcmp(av[i],"-style") == 0) {
+            merge = true;
+        }
+        else if (strcmp(av[i],"-stylesheet") == 0) {
+            merge = true;
+        }
+        else if (strcmp(av[i],"-session") == 0) {
+            merge = true;
+        }
+    }
 
     // 0000659: SIGABRT on startup in boost::program_options (Boost 1.49)
     // Add some text to the constructor
@@ -1492,7 +1514,7 @@ void Application::ParseOptions(int ac, char ** av)
 
     variables_map vm;
     try {
-        store( boost::program_options::command_line_parser(ac, av).
+        store( boost::program_options::command_line_parser(args).
                options(cmdline_options).positional(p).extra_parser(customSyntax).run(), vm);
 
         std::ifstream ifs("FreeCAD.cfg");
@@ -1535,7 +1557,7 @@ void Application::ParseOptions(int ac, char ** av)
         vector<string> args;
         copy(tok.begin(), tok.end(), back_inserter(args));
         // Parse the file and store the options
-        store( boost::program_options::command_line_parser(ac, av).
+        store( boost::program_options::command_line_parser(args).
                options(cmdline_options).positional(p).extra_parser(customSyntax).run(), vm);
     }
 
diff --git a/src/Gui/Document.cpp b/src/Gui/Document.cpp
index 4a0880ffa8..0192d3e86e 100644
--- a/src/Gui/Document.cpp
+++ b/src/Gui/Document.cpp
@@ -748,7 +748,7 @@ void Document::exportObjects(const std::vector<App::DocumentObject*>& obj, Base:
                     << views.size() <<"\">" << std::endl;
 
     bool xml = writer.isForceXML();
-    writer.setForceXML(true);
+    //writer.setForceXML(true);
     writer.incInd(); // indention for 'ViewProvider name'
     std::map<const App::DocumentObject*,ViewProvider*>::const_iterator jt;
     for (jt = views.begin(); jt != views.end(); ++jt) {
diff --git a/src/Gui/MergeDocuments.cpp b/src/Gui/MergeDocuments.cpp
index a1fc7172a7..7addd29bed 100644
--- a/src/Gui/MergeDocuments.cpp
+++ b/src/Gui/MergeDocuments.cpp
@@ -235,4 +235,8 @@ void MergeDocuments::RestoreDocFile(Base::Reader & reader)
     }
 
     xmlReader.readEndElement("Document");
+
+    // In the file GuiDocument.xml new data files might be added
+    if (!xmlReader.getFilenames().empty())
+        xmlReader.readFiles(static_cast<zipios::ZipInputStream&>(reader));
 }
diff --git a/src/Mod/Draft/DraftGeomUtils.py b/src/Mod/Draft/DraftGeomUtils.py
index 16468ad0c1..7ce4a57f00 100755
--- a/src/Mod/Draft/DraftGeomUtils.py
+++ b/src/Mod/Draft/DraftGeomUtils.py
@@ -765,7 +765,7 @@ def isReallyClosed(wire):
 def getNormal(shape):
         "finds the normal of a shape, if possible"
         n = Vector(0,0,1)
-        if shape.ShapeType == "Face":
+        if (shape.ShapeType == "Face") and hasattr(shape,"normalAt"):
                 n = shape.normalAt(0.5,0.5)
         elif shape.ShapeType == "Edge":
                 if isinstance(shape.Curve,Part.Circle):
diff --git a/src/Mod/Mesh/App/Core/Segmentation.cpp b/src/Mod/Mesh/App/Core/Segmentation.cpp
index 01d99fb11f..9d0d69f325 100644
--- a/src/Mod/Mesh/App/Core/Segmentation.cpp
+++ b/src/Mod/Mesh/App/Core/Segmentation.cpp
@@ -46,6 +46,16 @@ void MeshSurfaceSegment::AddSegment(const std::vector<unsigned long>& segm)
     }
 }
 
+MeshSegment MeshSurfaceSegment::FindSegment(unsigned long index) const
+{
+    for (std::vector<MeshSegment>::const_iterator it = segments.begin(); it != segments.end(); ++it) {
+        if (std::find(it->begin(), it->end(), index) != it->end())
+            return *it;
+    }
+
+    return MeshSegment();
+}
+
 // --------------------------------------------------------
 
 MeshDistancePlanarSegment::MeshDistancePlanarSegment(const MeshKernel& mesh, unsigned long minFacets, float tol)
diff --git a/src/Mod/Mesh/App/Core/Segmentation.h b/src/Mod/Mesh/App/Core/Segmentation.h
index 1b29f4bff9..9416028b69 100644
--- a/src/Mod/Mesh/App/Core/Segmentation.h
+++ b/src/Mod/Mesh/App/Core/Segmentation.h
@@ -46,6 +46,7 @@ public:
     virtual void AddFacet(const MeshFacet& rclFacet);
     void AddSegment(const std::vector<unsigned long>&);
     const std::vector<MeshSegment>& GetSegments() const { return segments; }
+    MeshSegment FindSegment(unsigned long) const;
 
 protected:
     std::vector<MeshSegment> segments;
diff --git a/src/Mod/Mesh/App/Makefile.am b/src/Mod/Mesh/App/Makefile.am
index 27537e0605..5ba606444c 100644
--- a/src/Mod/Mesh/App/Makefile.am
+++ b/src/Mod/Mesh/App/Makefile.am
@@ -359,7 +359,7 @@ Mesh_la_DEPENDENCIES = libMesh.la
 
 # set the include path found by configure
 AM_CXXFLAGS = -I$(top_srcdir)/src/3rdParty -I$(top_srcdir)/src -I$(top_builddir)/src $(GTS_CFLAGS) \
-		$(all_includes) $(QT4_CORE_CXXFLAGS)
+		$(all_includes) -I$(EIGEN3_INC) $(QT4_CORE_CXXFLAGS)
 
 includedir = @includedir@/Mod/Mesh/App
 libdir = $(prefix)/Mod/Mesh
diff --git a/src/Mod/Points/App/PointsPyImp.cpp b/src/Mod/Points/App/PointsPyImp.cpp
index 75df742c8e..b0b2819ac8 100644
--- a/src/Mod/Points/App/PointsPyImp.cpp
+++ b/src/Mod/Points/App/PointsPyImp.cpp
@@ -59,14 +59,20 @@ int PointsPy::PyInit(PyObject* args, PyObject* /*kwd*/)
         *getPointKernelPtr() = *(static_cast<PointsPy*>(pcObj)->getPointKernelPtr());
     }
     else if (PyList_Check(pcObj)) {
-        addPoints(args);
+        if (!addPoints(args))
+            return -1;
     }
     else if (PyTuple_Check(pcObj)) {
-        addPoints(args);
+        if (!addPoints(args))
+            return -1;
     }
     else if (PyString_Check(pcObj)) {
         getPointKernelPtr()->load(PyString_AsString(pcObj));
     }
+    else {
+        PyErr_SetString(PyExc_TypeError, "optional argument must be list, tuple or string");
+        return -1;
+    }
 
     return 0;
 }