diff --git a/src/ant/ant/antPlugin.cc b/src/ant/ant/antPlugin.cc
index 037ebfc3ed..c5c6b5ad12 100644
--- a/src/ant/ant/antPlugin.cc
+++ b/src/ant/ant/antPlugin.cc
@@ -45,24 +45,6 @@ namespace ant
 
 static PluginDeclaration *sp_instance = 0;
 
-PluginDeclaration::PluginDeclaration ()
-  : m_current_template (0), 
-    m_current_template_updated (true), m_templates_updated (true)
-{
-  sp_instance = this;
-}
-
-PluginDeclaration::~PluginDeclaration ()
-{
-  sp_instance = 0;
-}
-
-PluginDeclaration *
-PluginDeclaration::instance ()
-{
-  return sp_instance;
-}
-
 static std::vector<ant::Template> make_standard_templates ()
 {
   std::vector<ant::Template> templates;
@@ -92,6 +74,24 @@ static std::vector<ant::Template> make_standard_templates ()
   return templates;
 }
 
+PluginDeclaration::PluginDeclaration ()
+  : m_current_template (0), 
+    m_current_template_updated (true), m_templates_updated (true)
+{
+  sp_instance = this;
+}
+
+PluginDeclaration::~PluginDeclaration ()
+{
+  sp_instance = 0;
+}
+
+PluginDeclaration *
+PluginDeclaration::instance ()
+{
+  return sp_instance;
+}
+
 void 
 PluginDeclaration::get_options (std::vector < std::pair<std::string, std::string> > &options) const
 {
@@ -281,25 +281,24 @@ PluginDeclaration::update_current_template ()
     return;
   }
 
-  if (m_current_template >= 0 && m_current_template < int (m_templates.size ())) {
-
-    std::vector<std::string> menu_entries = mp->menu ()->group ("ruler_mode_group");
-    for (std::vector<std::string>::const_iterator m = menu_entries.begin (); m != menu_entries.end (); ++m) {
-      lay::Action *action = mp->menu ()->action (*m);
+  std::vector<std::string> menu_entries = mp->menu ()->group ("ruler_mode_group");
+  for (std::vector<std::string>::const_iterator m = menu_entries.begin (); m != menu_entries.end (); ++m) {
+    lay::Action *action = mp->menu ()->action (*m);
+    if (m_current_template >= 0 && m_current_template < int (m_templates.size ())) {
       action->set_title (m_templates [m_current_template].title ());
+    } else {
+      action->set_title (std::string ());
     }
-    
-    if (m_templates.size () > 1) {
+  }
 
-      tl::weak_collection<lay::ConfigureAction>::iterator it = m_actions.begin ();
-      int index = 0;
-      for (std::vector<Template>::const_iterator tt = m_templates.begin (); tt != m_templates.end () && it != m_actions.end (); ++tt, ++it, ++index) {
-        if (it.operator -> ()) {
-          it->set_checked (index == m_current_template);
-        }
+  if (m_templates.size () > 1) {
+    tl::weak_collection<lay::ConfigureAction>::iterator it = m_actions.begin ();
+    int index = 0;
+    for (std::vector<Template>::const_iterator tt = m_templates.begin (); tt != m_templates.end () && it != m_actions.end (); ++tt, ++it, ++index) {
+      if (it.operator -> ()) {
+        it->set_checked (index == m_current_template);
       }
     }
-
   }
 
   m_current_template_updated = false;
@@ -313,15 +312,13 @@ PluginDeclaration::update_menu ()
     return;
   }
 
-  if (m_current_template < 0 || m_current_template >= int (m_templates.size ())) {
-    m_current_template = 0;
-  }
-    
-  if (m_current_template >= 0 && m_current_template < int (m_templates.size ())) {
-    std::vector<std::string> menu_entries = mp->menu ()->group ("ruler_mode_group");
-    for (std::vector<std::string>::const_iterator m = menu_entries.begin (); m != menu_entries.end (); ++m) {
-      lay::Action *action = mp->menu ()->action (*m);
+  std::vector<std::string> menu_entries = mp->menu ()->group ("ruler_mode_group");
+  for (std::vector<std::string>::const_iterator m = menu_entries.begin (); m != menu_entries.end (); ++m) {
+    lay::Action *action = mp->menu ()->action (*m);
+    if (m_current_template >= 0 && m_current_template < int (m_templates.size ())) {
       action->set_title (m_templates [m_current_template].title ());
+    } else {
+      action->set_title (std::string ());
     }
   }
   
diff --git a/src/db/db/dbLayout.cc b/src/db/db/dbLayout.cc
index ab60ae7877..c3505b24b1 100644
--- a/src/db/db/dbLayout.cc
+++ b/src/db/db/dbLayout.cc
@@ -531,6 +531,8 @@ Layout::operator= (const Layout &d)
 
     m_tech_name = d.m_tech_name;
 
+    m_prop_id = d.m_prop_id;
+
   }
   return *this;
 }
diff --git a/src/doc/doc/about/packages.xml b/src/doc/doc/about/packages.xml
index ad3bfe0600..28dbc6689d 100644
--- a/src/doc/doc/about/packages.xml
+++ b/src/doc/doc/about/packages.xml
@@ -138,7 +138,7 @@
   this can be a web server or a folder on 
   a file server. KLayout talks WebDAV, so the web server needs to offer WebDAV 
   access. A subversion (SVN) server provides WebDAV by default, so this is a good
-  choice. For the packages themselves Git or WebDAV/Subversion can be used. You
+  choice. For the packages themselves, Git or WebDAV/Subversion can be used. You
   need to specify the protocol in the package URL (see below).
   </p>
 
diff --git a/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc b/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
index 39dbe24042..5e9af3dd0c 100644
--- a/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
+++ b/src/laybasic/laybasic/gsiDeclLayLayoutViewBase.cc
@@ -277,7 +277,10 @@ static unsigned int show_layout1 (lay::LayoutViewBase *view, db::Layout *layout,
 {
   //  the layout gets held by the LayoutHandle object
   layout->keep ();
-  lay::LayoutHandle *handle = new lay::LayoutHandle (layout, std::string ());
+  lay::LayoutHandle *handle = lay::LayoutHandle::find_layout (layout);
+  if (! handle) {
+    handle = new lay::LayoutHandle (layout, std::string ());
+  }
   return view->add_layout (handle, add_cellview);
 }
 
@@ -285,7 +288,10 @@ static unsigned int show_layout2 (lay::LayoutViewBase *view, db::Layout *layout,
 {
   //  the layout gets held by the LayoutHandle object
   layout->keep ();
-  lay::LayoutHandle *handle = new lay::LayoutHandle (layout, std::string ());
+  lay::LayoutHandle *handle = lay::LayoutHandle::find_layout (layout);
+  if (! handle) {
+    handle = new lay::LayoutHandle (layout, std::string ());
+  }
   handle->set_tech_name (tech);
   return view->add_layout (handle, add_cellview);
 }
@@ -294,7 +300,10 @@ static unsigned int show_layout3 (lay::LayoutViewBase *view, db::Layout *layout,
 {
   //  the layout gets held by the LayoutHandle object
   layout->keep ();
-  lay::LayoutHandle *handle = new lay::LayoutHandle (layout, std::string ());
+  lay::LayoutHandle *handle = lay::LayoutHandle::find_layout (layout);
+  if (! handle) {
+    handle = new lay::LayoutHandle (layout, std::string ());
+  }
   handle->set_tech_name (tech);
   return view->add_layout (handle, add_cellview, initialize_layers);
 }
diff --git a/src/laybasic/laybasic/layCellView.cc b/src/laybasic/laybasic/layCellView.cc
index d0afaa1035..55c97743f0 100644
--- a/src/laybasic/laybasic/layCellView.cc
+++ b/src/laybasic/laybasic/layCellView.cc
@@ -272,6 +272,17 @@ LayoutHandle::find (const std::string &name)
   }
 }
 
+LayoutHandle *
+LayoutHandle::find_layout (const db::Layout *layout)
+{
+  for (auto h = ms_dict.begin (); h != ms_dict.end (); ++h) {
+    if (h->second->mp_layout == layout) {
+      return h->second;
+    }
+  }
+  return 0;
+}
+
 void 
 LayoutHandle::get_names (std::vector <std::string> &names)
 {
@@ -484,6 +495,10 @@ LayoutHandleRef::operator= (const LayoutHandleRef &r)
 void
 LayoutHandleRef::set (LayoutHandle *h)
 {
+  if (mp_handle == h) {
+    return;
+  }
+
   if (mp_handle) {
     mp_handle->remove_ref ();
     mp_handle = 0;
diff --git a/src/laybasic/laybasic/layCellView.h b/src/laybasic/laybasic/layCellView.h
index 0f5bee9d96..7f350f6913 100644
--- a/src/laybasic/laybasic/layCellView.h
+++ b/src/laybasic/laybasic/layCellView.h
@@ -144,6 +144,14 @@ class LAYBASIC_PUBLIC LayoutHandle
    */
   static LayoutHandle *find (const std::string &name);
 
+  /**
+   *  @brief Finds a handle by layout object
+   *
+   *  @param layout The Layout object bound to the handle
+   *  @return 0, if there is no layout object with this name. Otherwise a pointer to its handle
+   */
+  static LayoutHandle *find_layout (const db::Layout *layout);
+
   /**
    *  @brief Gets the names of all registered layout objects
    */
diff --git a/src/layui/layui/rdbMarkerBrowserPage.cc b/src/layui/layui/rdbMarkerBrowserPage.cc
index e9cab1a57a..0b795ccab2 100644
--- a/src/layui/layui/rdbMarkerBrowserPage.cc
+++ b/src/layui/layui/rdbMarkerBrowserPage.cc
@@ -1506,6 +1506,18 @@ MarkerBrowserPage::MarkerBrowserPage (QWidget * /*parent*/)
   markers_list->header ()->setSortIndicatorShown (true);
   markers_list->header ()->setMinimumSectionSize (24);
 
+  QAction *select_all_info_action = new QAction (this);
+  select_all_info_action->setText (tr ("Select All"));
+  connect (select_all_info_action, SIGNAL (triggered ()), info_text, SLOT (selectAll ()));
+
+  QAction *copy_info_action = new QAction (this);
+  copy_info_action->setText (tr ("Copy"));
+  connect (copy_info_action, SIGNAL (triggered ()), info_text, SLOT (copy ()));
+
+  info_text->addAction (select_all_info_action);
+  info_text->addAction (copy_info_action);
+  info_text->setContextMenuPolicy (Qt::ActionsContextMenu);
+
   list_shapes_cb->setChecked (m_list_shapes);
 
   connect (markers_list, SIGNAL (doubleClicked (const QModelIndex &)), this, SLOT (marker_double_clicked (const QModelIndex &)));
diff --git a/testdata/ruby/dbLayoutTests1.rb b/testdata/ruby/dbLayoutTests1.rb
index 284e1fea40..a9d084beb2 100644
--- a/testdata/ruby/dbLayoutTests1.rb
+++ b/testdata/ruby/dbLayoutTests1.rb
@@ -2082,6 +2082,24 @@ def test_23
 
   end
 
+  def test_24
+
+    ly = RBA::Layout::new
+    ly.set_property("k1", 17)
+    ly.set_property(17, "42")
+
+    assert_equal(17, ly.property("k1"))
+    assert_equal("42", ly.property(17))
+    assert_equal(nil, ly.property(42))
+
+    ly_dup = ly.dup
+
+    assert_equal(17, ly_dup.property("k1"))
+    assert_equal("42", ly_dup.property(17))
+    assert_equal(nil, ly_dup.property(42))
+
+  end
+
   # Iterating while flatten
   def test_issue200
 
diff --git a/testdata/ruby/layLayoutView.rb b/testdata/ruby/layLayoutView.rb
index fdd384cc6a..d2c29ea0bd 100644
--- a/testdata/ruby/layLayoutView.rb
+++ b/testdata/ruby/layLayoutView.rb
@@ -550,6 +550,26 @@ def test_7
 
   end
 
+  # issue-1533
+  def test_8
+
+    if !RBA.constants.member?(:Application)
+      return
+    end
+
+    app = RBA::Application.instance
+    mw = app.main_window
+    mw.close_all
+    mw.create_view
+
+    ly = RBA::Layout::new
+    mw.current_view.show_layout(ly, false)
+
+    # was crashing
+    mw.current_view.show_layout(ly, false)
+
+  end
+
 end
 
 load("test_epilogue.rb")