diff --git a/src/plugins/streamers/lstream/db_plugin/lstrReader.cc b/src/plugins/streamers/lstream/db_plugin/lstrReader.cc
index b4dd906da..c28e677e8 100644
--- a/src/plugins/streamers/lstream/db_plugin/lstrReader.cc
+++ b/src/plugins/streamers/lstream/db_plugin/lstrReader.cc
@@ -354,7 +354,7 @@ make_regular_array (stream::repetition::Repetition::Reader repetition, db::regul
 Reader::Reader (tl::InputStream &s)
   : m_stream (&s), m_source (s.source ()),
     m_progress (tl::to_string (tr ("Reading LStream file"))),
-    m_library_index (0), mp_layout (0), mp_cell (0), m_layout_view_id (0)
+    m_library_index (0), mp_cell (0), mp_layout (0), m_layout_view_id (0)
 {
   m_progress.set_format (tl::to_string (tr ("%.0f MB")));
   m_progress.set_unit (1024 * 1024);
@@ -423,6 +423,9 @@ Reader::do_read (db::Layout &layout)
   } catch (lstr::CoordinateOverflowException &ex) {
     //  this adds source information
     error (ex.msg ());
+  } catch (kj::Exception &ex) {
+    //  this adds source information
+    error (ex.getDescription ().cStr ());
   }
 }
 
diff --git a/src/plugins/streamers/lstream/db_plugin/lstrWriter.cc b/src/plugins/streamers/lstream/db_plugin/lstrWriter.cc
index 2c7c3da05..e4951130c 100644
--- a/src/plugins/streamers/lstream/db_plugin/lstrWriter.cc
+++ b/src/plugins/streamers/lstream/db_plugin/lstrWriter.cc
@@ -437,6 +437,21 @@ Writer::collect_property_ids (std::vector<db::properties_id_type> &prop_ids, std
   }
 }
 
+namespace 
+{
+
+struct ComparePropertyNameIdByValue
+{
+  bool operator() (db::property_names_id_type a, db::property_names_id_type b) const
+  {
+    const tl::Variant &na = db::property_name (a);
+    const tl::Variant &nb = db::property_name (b);
+    return na.less (nb);
+  }
+};
+
+}
+
 /**
  *  @brief Gets the LStream property set Id from a KLayout properties Id
  * 
@@ -463,8 +478,13 @@ Writer::make_property_id (db::properties_id_type id, std::vector<db::properties_
       prop_ids.push_back (id);
 
       auto ps = db::properties (id);
+      std::set<db::property_names_id_type, ComparePropertyNameIdByValue> ps_sorted;
       for (auto i = ps.begin (); i != ps.end (); ++i) {
-        make_property_name_id_from_id (i->first, prop_names);
+        ps_sorted.insert (i->first);
+      }
+
+      for (auto i = ps_sorted.begin (); i != ps_sorted.end (); ++i) {
+        make_property_name_id_from_id (*i, prop_names);
       }
 
       return ls_id;
@@ -684,7 +704,6 @@ Writer::make_layer_table (stream::library::LayerTable::Builder layers)
 
   for (auto l = m_layers_to_write.begin (); l != m_layers_to_write.end (); ++l) {
 
-    auto li = l->first;
     auto lp = l->second;
 
     //  NOTE: currently, the purpose is always DRAWING
@@ -876,11 +895,11 @@ Writer::write_cell (db::cell_index_type ci, kj::BufferedOutputStream &os)
   int view_index = 0;
   if (needs_layout_view) {
     tl_assert (m_layout_view_id >= 0);
-    cell.getViewIds ().set (view_index++, m_layout_view_id);
+    cell.getViewIds ().set (view_index++, (unsigned int) m_layout_view_id);
   }
   if (needs_meta_data_view) {
     tl_assert (m_meta_data_view_id >= 0);
-    cell.getViewIds ().set (view_index++, m_meta_data_view_id);
+    cell.getViewIds ().set (view_index++, (unsigned int) m_meta_data_view_id);
   }
 
   writePackedMessage (os, message);
diff --git a/src/plugins/streamers/lstream/db_plugin/lstrWriter.h b/src/plugins/streamers/lstream/db_plugin/lstrWriter.h
index 1236b3187..f771380c1 100644
--- a/src/plugins/streamers/lstream/db_plugin/lstrWriter.h
+++ b/src/plugins/streamers/lstream/db_plugin/lstrWriter.h
@@ -78,8 +78,8 @@ private:
   bool m_permissive;
   db::Layout *mp_layout;
   std::string m_cellname;
-  unsigned int m_layout_view_id;
-  unsigned int m_meta_data_view_id;
+  int m_layout_view_id;
+  int m_meta_data_view_id;
   std::map<db::lib_id_type, uint64_t> m_ls_lib_ids;
   std::vector<std::pair <unsigned int, db::LayerProperties> > m_layers_to_write;
   std::set<db::cell_index_type> m_cells_to_write;
diff --git a/src/plugins/streamers/lstream/unit_tests/dbLStreamReaderTests.cc b/src/plugins/streamers/lstream/unit_tests/dbLStreamReaderTests.cc
index d0cac4c41..6515b7fa0 100644
--- a/src/plugins/streamers/lstream/unit_tests/dbLStreamReaderTests.cc
+++ b/src/plugins/streamers/lstream/unit_tests/dbLStreamReaderTests.cc
@@ -20,8 +20,7 @@
 
 */
 
-#if 0 // @@@
-#include "dbMALYReader.h"
+#include "lstrReader.h"
 #include "dbLayoutDiff.h"
 #include "dbWriter.h"
 #include "dbTestSupport.h"
@@ -29,37 +28,16 @@
 
 #include <stdlib.h>
 
-static void run_test (tl::TestBase *_this, const std::string &base, const char *file, const char *file_au, const char *map = 0, double dbu = 0.001)
+static void run_test (tl::TestBase *_this, const std::string &base, const char *file, const char *file_au)
 {
-  db::MALYReaderOptions *opt = new db::MALYReaderOptions();
-  opt->dbu = dbu;
-
-  db::LayerMap lm;
-  if (map) {
-    unsigned int ln = 0;
-    tl::Extractor ex (map);
-    while (! ex.at_end ()) {
-      std::string n;
-      int l;
-      ex.read_word_or_quoted (n);
-      ex.test (":");
-      ex.read (l);
-      ex.test (",");
-      lm.map (n, ln++, db::LayerProperties (l, 0));
-    }
-    opt->layer_map = lm;
-    opt->create_other_layers = true;
-  }
-
   db::LoadLayoutOptions options;
-  options.set_options (opt);
 
   db::Manager m (false);
   db::Layout layout (&m);
 
   {
     std::string fn (base);
-    fn += "/maly/";
+    fn += "/lstream/";
     fn += file;
     tl::InputStream stream (fn);
     db::Reader reader (stream);
@@ -67,82 +45,89 @@ static void run_test (tl::TestBase *_this, const std::string &base, const char *
   }
 
   std::string fn_au (base);
-  fn_au += "/maly/";
+  fn_au += "/lstream/";
   fn_au += file_au;
 
   db::compare_layouts (_this, layout, fn_au, db::WriteOAS);
 }
 
-TEST(1_Basic)
+TEST(basic)
 {
-  std::string fn (tl::testdata ());
-  fn += "/maly/MALY_test1.maly";
-
-  tl::InputStream stream (fn);
-  db::MALYReader reader (stream);
-
-  db::MALYData data = reader.read_maly_file ();
-
-  EXPECT_EQ (data.to_string (),
-    "Mask A\n"
-    "  Size 127000\n"
-    "    Title \"<SERIAL>\" m90 0,-50 1,1,1 [Standard]\n"
-    "    Title \"MaskA1\" m90 50,50 1,1,1 [Standard]\n"
-    "    Title \"WITH \"QUOTES\"\" r270 -50,0 1,1,1 [Standard]\n"
-    "    Ref A1.oas{CHIP_A}(1) (0,0;10,10) m90 *1 20,0\n"
-    "    Ref A2.oas{CHIP_A}(2) ename(e001) dname(d001) (0,0;50,50) m90 *0.8 20,0 [2x5,1x2]\n"
-    "    Ref B3.oas{CHIP_A}(2) (0,0;12,12) m90 *1 20,0"
-  )
+  run_test (_this, tl::testdata (), "basic.lstr", "basic_au.oas");
 }
 
-static std::string run_test_with_error (tl::TestBase * /*_this*/, const std::string &file)
+TEST(boxes)
 {
-  std::string fn (tl::testdata ());
-  fn += "/maly/";
-  fn += file;
-
-  tl::InputStream stream (fn);
-  db::MALYReader reader (stream);
-
-  try {
-    reader.read_maly_file ();
-    tl_assert (false);
-  } catch (tl::Exception &ex) {
-    tl::error << ex.msg ();
-    return ex.msg ();
-  }
+  run_test (_this, tl::testdata (), "boxes.lstr", "boxes_au.oas");
 }
 
-TEST(2_Errors)
+TEST(cells)
 {
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2a.maly").find ("Line break inside quoted string (line=17,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2b.maly").find ("/*...*/ comment not closed (line=43,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2c.maly").find ("Expected value STANDARD or NATIVE for FONT (line=7,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2d.maly").find ("Unknown base specification: NOVALIDBASE (line=8,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2e.maly").find ("Expected end of text here: NOVALIDKEY .. (line=15,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2f.maly").find ("Expected 'Y' or 'NONE' for MIRROR spec (line=15,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2g.maly").find ("Expected end of text here: UNEXPECTED (line=20,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2h.maly").find ("Expected value Y or NONE for MASKMIRROR (line=23,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2i.maly").find ("Expected end of text here: UNEXPECTED (line=29,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2j.maly").find ("Expected end of text here: NOVALIDKEY .. (line=30,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2k.maly").find ("Expected a real number here: SCALE 0.80 .. (line=31,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2l.maly").find ("Expected 'PARAMETER' here: CMASK (line=19,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2m.maly").find ("Expected 'CMASK' here: TITLE (line=18,"), size_t (0));
-  EXPECT_EQ (run_test_with_error (_this, "MALY_test2n.maly").find ("Header expected ('BEGIN MALY') (line=2, "), size_t (0));
+  run_test (_this, tl::testdata (), "cells.lstr", "cells_au.oas");
 }
 
-TEST(10_BasicLayout)
+TEST(cells_with_instances)
 {
-  run_test (_this, tl::testdata (), "MALY_test10.maly", "maly_test10_au.oas");
-  run_test (_this, tl::testdata (), "MALY_test10.maly", "maly_test10_lm_au.oas", "A: 10, B: 11, C: 12, D: 13");
-  run_test (_this, tl::testdata (), "MALY_test10.maly", "maly_test10_dbu10nm_au.oas", 0, 0.01);
+  run_test (_this, tl::testdata (), "cells_with_instances.lstr", "cells_with_instances_au.oas");
 }
 
-TEST(11_Titles)
+TEST(edge_pairs)
 {
-  run_test (_this, tl::testdata (), "MALY_test11.maly", "maly_test11_au.oas");
+  run_test (_this, tl::testdata (), "edge_pairs.lstr", "edge_pairs_au.oas");
 }
 
-#endif
-// @@@
+TEST(edges)
+{
+  run_test (_this, tl::testdata (), "edges.lstr", "edges_au.oas");
+}
+
+TEST(ghost_cells)
+{
+  run_test (_this, tl::testdata (), "ghost_cells.lstr", "ghost_cells_au.oas");
+}
+
+TEST(meta_data)
+{
+  run_test (_this, tl::testdata (), "meta_data.lstr", "meta_data_au.oas");
+}
+
+TEST(paths)
+{
+  run_test (_this, tl::testdata (), "paths.lstr", "paths_au.oas");
+}
+
+TEST(pcells)
+{
+  run_test (_this, tl::testdata (), "pcells.lstr", "pcells_au.oas");
+}
+
+TEST(points)
+{
+  run_test (_this, tl::testdata (), "points.lstr", "points_au.oas");
+}
+
+TEST(polygons)
+{
+  run_test (_this, tl::testdata (), "polygons.lstr", "polygons_au.oas");
+}
+
+TEST(properties)
+{
+  run_test (_this, tl::testdata (), "properties.lstr", "properties_au.oas");
+}
+
+TEST(simple_polygons)
+{
+  run_test (_this, tl::testdata (), "simple_polygons.lstr", "simple_polygons_au.oas");
+}
+
+TEST(texts)
+{
+  run_test (_this, tl::testdata (), "texts.lstr", "texts_au.oas");
+}
+
+TEST(variants)
+{
+  run_test (_this, tl::testdata (), "variants.lstr", "variants_au.oas");
+}
 
diff --git a/src/plugins/streamers/lstream/unit_tests/unit_tests.pro b/src/plugins/streamers/lstream/unit_tests/unit_tests.pro
index 3d993288f..8e83c6e61 100644
--- a/src/plugins/streamers/lstream/unit_tests/unit_tests.pro
+++ b/src/plugins/streamers/lstream/unit_tests/unit_tests.pro
@@ -9,7 +9,7 @@ include($$PWD/../../../../lib_ut.pri)
 SOURCES = \
   dbLStreamReaderTests.cc
 
-INCLUDEPATH += $$LAY_INC $$TL_INC $$DB_INC $$GSI_INC $$PWD/../db_plugin $$PWD/../../../common
+INCLUDEPATH += $$LAY_INC $$TL_INC $$DB_INC $$GSI_INC $$PWD/../db_plugin $$PWD/../../../common $$PWD/../db_plugin/capnp
 DEPENDPATH += $$LAY_INC $$TL_INC $$DB_INC $$GSI_INC $$PWD/../db_plugin $$PWD/../../../common
 
 LIBS += -L$$DESTDIR_UT -lklayout_db -lklayout_tl -lklayout_gsi
diff --git a/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc b/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc
index 292326925..5ed3f5ed5 100644
--- a/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc
+++ b/src/plugins/streamers/oasis/db_plugin/dbOASISWriter.cc
@@ -3309,6 +3309,46 @@ OASISWriter::write_shapes (const db::LayerProperties &lprops, const db::Shapes &
 
         break;
 
+      case db::Shape::EdgePair:
+
+        if (shape->has_prop_id ()) {
+          db::EdgePairWithProperties edge_pair = *shape->basic_ptr (db::EdgePairWithProperties::tag ());
+          db::EdgeWithProperties e1 (edge_pair.first (), edge_pair.properties_id ());
+          db::EdgeWithProperties e2 (edge_pair.second (), edge_pair.properties_id ());
+          db::Disp tr;
+          e1.reduce (tr);
+          edge_with_properties_compressor.add (e1, tr.disp ());
+          e2.reduce (tr);
+          edge_with_properties_compressor.add (e2, tr.disp ());
+        } else {
+          db::EdgePair edge_pair = *shape->basic_ptr (db::EdgePair::tag ());
+          db::Disp tr;
+          edge_pair.first ().reduce (tr);
+          edge_compressor.add (edge_pair.first (), tr.disp ());
+          edge_pair.second ().reduce (tr);
+          edge_compressor.add (edge_pair.second (), tr.disp ());
+        }
+
+        break;
+
+      case db::Shape::Point:
+
+        if (shape->has_prop_id ()) {
+          db::PointWithProperties point = *shape->basic_ptr (db::PointWithProperties::tag ());
+          db::EdgeWithProperties e (db::Edge (point, point), point.properties_id ());
+          db::Disp tr;
+          e.reduce (tr);
+          edge_with_properties_compressor.add (e, tr.disp ());
+        } else {
+          db::Point point = *shape->basic_ptr (db::Point::tag ());
+          db::Disp tr;
+          db::Edge e (point, point);
+          e.reduce (tr);
+          edge_compressor.add (e, tr.disp ());
+        }
+
+        break;
+
       case db::Shape::Path:
 
         if (shape->has_prop_id ()) {
diff --git a/testdata/lstream/basic.lstr b/testdata/lstream/basic.lstr
new file mode 100644
index 000000000..43f18d60d
Binary files /dev/null and b/testdata/lstream/basic.lstr differ
diff --git a/testdata/lstream/basic_au.oas b/testdata/lstream/basic_au.oas
new file mode 100644
index 000000000..6daa83022
Binary files /dev/null and b/testdata/lstream/basic_au.oas differ
diff --git a/testdata/lstream/boxes.lstr b/testdata/lstream/boxes.lstr
new file mode 100644
index 000000000..0a6431f01
Binary files /dev/null and b/testdata/lstream/boxes.lstr differ
diff --git a/testdata/lstream/boxes_au.oas b/testdata/lstream/boxes_au.oas
new file mode 100644
index 000000000..0c54e6c2e
Binary files /dev/null and b/testdata/lstream/boxes_au.oas differ
diff --git a/testdata/lstream/cells.lstr b/testdata/lstream/cells.lstr
new file mode 100644
index 000000000..c0a75fa24
Binary files /dev/null and b/testdata/lstream/cells.lstr differ
diff --git a/testdata/lstream/cells_au.oas b/testdata/lstream/cells_au.oas
new file mode 100644
index 000000000..c37822b6d
Binary files /dev/null and b/testdata/lstream/cells_au.oas differ
diff --git a/testdata/lstream/cells_with_instances.lstr b/testdata/lstream/cells_with_instances.lstr
new file mode 100644
index 000000000..64d5d623a
Binary files /dev/null and b/testdata/lstream/cells_with_instances.lstr differ
diff --git a/testdata/lstream/cells_with_instances_au.oas b/testdata/lstream/cells_with_instances_au.oas
new file mode 100644
index 000000000..7e9da646c
Binary files /dev/null and b/testdata/lstream/cells_with_instances_au.oas differ
diff --git a/testdata/lstream/edge_pairs.lstr b/testdata/lstream/edge_pairs.lstr
new file mode 100644
index 000000000..5a78b3cf6
Binary files /dev/null and b/testdata/lstream/edge_pairs.lstr differ
diff --git a/testdata/lstream/edge_pairs_au.oas b/testdata/lstream/edge_pairs_au.oas
new file mode 100644
index 000000000..052eed6f0
Binary files /dev/null and b/testdata/lstream/edge_pairs_au.oas differ
diff --git a/testdata/lstream/edges.lstr b/testdata/lstream/edges.lstr
new file mode 100644
index 000000000..c097e8c0d
Binary files /dev/null and b/testdata/lstream/edges.lstr differ
diff --git a/testdata/lstream/edges_au.oas b/testdata/lstream/edges_au.oas
new file mode 100644
index 000000000..86d843765
Binary files /dev/null and b/testdata/lstream/edges_au.oas differ
diff --git a/testdata/lstream/ghost_cells.lstr b/testdata/lstream/ghost_cells.lstr
new file mode 100644
index 000000000..cbe778d0a
Binary files /dev/null and b/testdata/lstream/ghost_cells.lstr differ
diff --git a/testdata/lstream/ghost_cells_au.oas b/testdata/lstream/ghost_cells_au.oas
new file mode 100644
index 000000000..5aaf0fcbe
Binary files /dev/null and b/testdata/lstream/ghost_cells_au.oas differ
diff --git a/testdata/lstream/meta_data.lstr b/testdata/lstream/meta_data.lstr
new file mode 100644
index 000000000..6095fcaf1
Binary files /dev/null and b/testdata/lstream/meta_data.lstr differ
diff --git a/testdata/lstream/meta_data_au.oas b/testdata/lstream/meta_data_au.oas
new file mode 100644
index 000000000..a95608e31
Binary files /dev/null and b/testdata/lstream/meta_data_au.oas differ
diff --git a/testdata/lstream/paths.lstr b/testdata/lstream/paths.lstr
new file mode 100644
index 000000000..99e9acf47
Binary files /dev/null and b/testdata/lstream/paths.lstr differ
diff --git a/testdata/lstream/paths_au.oas b/testdata/lstream/paths_au.oas
new file mode 100644
index 000000000..fbf62fc9c
Binary files /dev/null and b/testdata/lstream/paths_au.oas differ
diff --git a/testdata/lstream/pcells.lstr b/testdata/lstream/pcells.lstr
new file mode 100644
index 000000000..55075c9a3
Binary files /dev/null and b/testdata/lstream/pcells.lstr differ
diff --git a/testdata/lstream/pcells_au.oas b/testdata/lstream/pcells_au.oas
new file mode 100644
index 000000000..88943799d
Binary files /dev/null and b/testdata/lstream/pcells_au.oas differ
diff --git a/testdata/lstream/points.lstr b/testdata/lstream/points.lstr
new file mode 100644
index 000000000..ffc042f41
Binary files /dev/null and b/testdata/lstream/points.lstr differ
diff --git a/testdata/lstream/points_au.oas b/testdata/lstream/points_au.oas
new file mode 100644
index 000000000..97b971d27
Binary files /dev/null and b/testdata/lstream/points_au.oas differ
diff --git a/testdata/lstream/polygons.lstr b/testdata/lstream/polygons.lstr
new file mode 100644
index 000000000..c94e1a3f1
Binary files /dev/null and b/testdata/lstream/polygons.lstr differ
diff --git a/testdata/lstream/polygons_au.oas b/testdata/lstream/polygons_au.oas
new file mode 100644
index 000000000..14b5519b2
Binary files /dev/null and b/testdata/lstream/polygons_au.oas differ
diff --git a/testdata/lstream/properties.lstr b/testdata/lstream/properties.lstr
new file mode 100644
index 000000000..3cecdb481
Binary files /dev/null and b/testdata/lstream/properties.lstr differ
diff --git a/testdata/lstream/properties_au.oas b/testdata/lstream/properties_au.oas
new file mode 100644
index 000000000..4e070b4ed
Binary files /dev/null and b/testdata/lstream/properties_au.oas differ
diff --git a/testdata/lstream/simple_polygons.lstr b/testdata/lstream/simple_polygons.lstr
new file mode 100644
index 000000000..ffe2dc344
Binary files /dev/null and b/testdata/lstream/simple_polygons.lstr differ
diff --git a/testdata/lstream/simple_polygons_au.oas b/testdata/lstream/simple_polygons_au.oas
new file mode 100644
index 000000000..bbfed5c86
Binary files /dev/null and b/testdata/lstream/simple_polygons_au.oas differ
diff --git a/testdata/lstream/texts.lstr b/testdata/lstream/texts.lstr
new file mode 100644
index 000000000..4354713b3
Binary files /dev/null and b/testdata/lstream/texts.lstr differ
diff --git a/testdata/lstream/texts_au.oas b/testdata/lstream/texts_au.oas
new file mode 100644
index 000000000..04ba73993
Binary files /dev/null and b/testdata/lstream/texts_au.oas differ
diff --git a/testdata/lstream/variants.lstr b/testdata/lstream/variants.lstr
new file mode 100644
index 000000000..af267bf17
Binary files /dev/null and b/testdata/lstream/variants.lstr differ
diff --git a/testdata/lstream/variants_au.oas b/testdata/lstream/variants_au.oas
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