diff --git a/src/actions.c b/src/actions.c
index d64c0916..4c07a46f 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -1604,7 +1604,11 @@ void symbol_in_new_window(int new_process)
   rebuild_selected_array();
   
   if(xctx->lastsel !=1 || xctx->sel_array[0].type!=ELEMENT) {
-    my_strncpy(filename,  xctx->sch[xctx->currsch], S(filename));
+    if(tclgetboolvar("search_schematic")) {
+      my_strncpy(filename, abs_sym_path(xctx->current_name, ".sym"), S(filename));
+    } else {
+      my_strncpy(filename, add_ext(xctx->sch[xctx->currsch], ".sym"), S(filename));
+    }
     if(new_process) new_xschem_process(filename, 1);
     else new_schematic("create", NULL, filename, 1);
   }
diff --git a/src/make_sym.awk b/src/make_sym.awk
index 93b0f940..e74d1617 100755
--- a/src/make_sym.awk
+++ b/src/make_sym.awk
@@ -236,14 +236,15 @@ function endfile(f) {
  y=-m*space
  x=-width
  print "T {@name}",-x-lwidth+5, y-space/2-8-lab_voffset,0,0,labsize, labsize,"{}" >sym
- print "L 4 " (x+lwidth) ,y-space/2,(-x-lwidth) , y-space/2,"{}" >sym
- print "L 4 " (x+lwidth) ,y+n*space-space/2,(-x-lwidth) , y+n*space-space/2,"{}" >sym
- print "L 4 " (x+lwidth) ,y-space/2,(x+lwidth) , y+n*space-space/2,"{}" >sym
- print "L 4 " (-x-lwidth) ,y-space/2,(-x-lwidth) , y+n*space-space/2,"{}" >sym
-
 
+ print "P 4 5", \
+    (-x-lwidth) ,y-space/2, \
+    (x+lwidth) , y-space/2, \
+    (x+lwidth), y+n*space-space/2, \
+    (-x-lwidth), y+n*space-space/2, \
+    (-x-lwidth) ,y-space/2, \
+    "{}" > sym
  hsort_key(index_pin, y_pin, n_pin)   # 20140519
-
  num_i = num_o = 0 #20140519
 
  for(ii=0;ii<n_pin;ii++)
diff --git a/src/save.c b/src/save.c
index c8adf632..4c4c4991 100644
--- a/src/save.c
+++ b/src/save.c
@@ -3523,6 +3523,7 @@ int load_schematic(int load_symbols, const char *fname, int reset_undo, int aler
     }
     else fd=fopen(name,fopen_read_mode);
     if( fd == NULL) {
+      size_t len;
       ret = 0;
       if(alert) {
         fprintf(errfp, "load_schematic(): unable to open file: %s, fname=%s\n", name, fname );
@@ -3531,6 +3532,13 @@ int load_schematic(int load_symbols, const char *fname, int reset_undo, int aler
           tcleval(msg);
         }
       }
+      len = strlen(name);
+      if(!strcmp(name + len - 4, ".sym")) {
+        xctx->save_netlist_type = xctx->netlist_type;
+        xctx->netlist_type = CAD_SYMBOL_ATTRS;
+        set_tcl_netlist_type();
+        xctx->loaded_symbol = 1;
+      }
       clear_drawing();
       if(reset_undo) set_modify(0);
     } else {
diff --git a/src/scheduler.c b/src/scheduler.c
index 691ca26a..08d6c033 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -4350,6 +4350,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           int e_b = xctx->rect[c][n].ellipse_b;
           save = xctx->draw_window; xctx->draw_window = 1;
           drawrect(xctx->rectcolor,NOW, x1,y1,x2,y2, 0, e_a, e_b);
+          filledrect(xctx->rectcolor, NOW, x1, y1, x2, y2, 1, -1, -1);
           xctx->draw_window = save;
         }
         set_modify(1);
diff --git a/src/xschem.tcl b/src/xschem.tcl
index 07002531..a50636c4 100644
--- a/src/xschem.tcl
+++ b/src/xschem.tcl
@@ -3818,9 +3818,19 @@ proc save_file_dialog { msg ext global_initdir {initialf {}} {overwrt 1} } {
 # opens indicated instance (or selected one) into a separate tab/window
 # keeping the hierarchy path, as it was descended into (as with 'e' key).
 proc open_sub_schematic {{inst {}} {inst_number 0}} {
+  global search_schematic
   set rawfile {}
-  set one_sel [expr {[xschem get lastsel] == 1}]
-  if { $inst eq {} && $one_sel} {
+  set n_sel [xschem get lastsel]
+ 
+  if { $inst eq {} && $n_sel == 0} {
+    if {$search_schematic == 1} {
+      set f [abs_sym_path [xschem get current_name] {.sch}]
+    } else {
+      set f [file rootname [xschem get schname]].sch
+    }
+    xschem new_schematic create {} $f
+    return 1
+  } elseif { $inst eq {} && $n_sel == 1} {
     set inst [lindex [xschem selected_set] 0]
     xschem unselect_all
   } else {
@@ -7084,10 +7094,10 @@ proc tab_ctx_cmd {tab_but what} {
   }
   # puts $filename
 }
+
 proc tab_context_menu {tab_but} {
   global retval search_schematic
 
-
   # find filename associated with tab button
   set win_path [lindex [$tab_but cget -command] 3] ;# xschem new_schematic switch .x1.drw
   set tablist [xschem tab_list] ;# .drw filename0 .x1.drw filename1 ...
diff --git a/xschem_library/examples/cmos_example.sch b/xschem_library/examples/cmos_example.sch
index 9dfc1f9d..57dfd2f1 100644
--- a/xschem_library/examples/cmos_example.sch
+++ b/xschem_library/examples/cmos_example.sch
@@ -27,7 +27,7 @@ E {}
 B 2 1690 -960 2250 -630 {flags=graph,unlocked
 
 sim_type=dc
-y1=-160
+y1=-190
 y2=0
 divy=4
 subdivy=1
@@ -58,8 +58,8 @@ y1=0.875402
 y2=5.6754
 divy=4
 subdivy=1
-x1=2.4
-x2=2.6
+x1=2.4088074
+x2=2.6088074
 divx=6
 subdivx=1
 node="diffout@2uA;v(diffout)%0
@@ -94,8 +94,8 @@ autoload=1}
 B 2 1050 -740 1680 -530 {flags=graph,unlocked
 
 sim_type=ac
-y1=-34
-y2=43
+y1=-32
+y2=46
 
 subdivy=1
 x1=0
@@ -120,7 +120,7 @@ xrawfile=$netlist_dir/cmos_example_ngspice.raw}
 B 2 1050 -960 1680 -750 {flags=graph,unlocked
 
 sim_type=ac
-y1=21
+y1=18
 y2=180
 divy=4
 subdivy=1
@@ -148,8 +148,8 @@ y1=2.3
 y2=2.7
 divy=4
 subdivy=1
-x1=2.4
-x2=2.6
+x1=2.4088074
+x2=2.6088074
 divx=6
 subdivx=1
 node="minus;minus%0
@@ -277,7 +277,7 @@ only_toplevel=false value="
 ** https://sourceforge.net/p/ngspice/ngspice/ci/master/tree/examples/mos/modelcard.pmos
 
 .model cmosn NMOS
-+Level=        9 version=3.3.0
++Level=        49 version=3.3.0
 +Tnom=27.0
 +Nch= 2.498E+17  Tox=9E-09 Xj=1.00000E-07
 +Lint=9.36e-8 Wint=1.47e-7
@@ -311,7 +311,7 @@ only_toplevel=false value="
 +vgs_max=4 vds_max=4 vbs_max=4
 
 .model cmosp PMOS
-+Level=        9 version=3.3.0
++Level=        49 version=3.3.0
 +Tnom=27.0
 +Nch= 3.533024E+17  Tox=9E-09 Xj=1.00000E-07
 +Lint=6.23e-8 Wint=1.22e-7
@@ -460,7 +460,7 @@ value="* .temp 30
 
 .op
 .print dc format=raw file=cmos_example_xyce.raw v(*) i(*)
-.dc vplus 2.3 2.7 0.001
+.dc vminus 2.4 2.6 0.001
 .print dc format=raw file=cmos_example_xyce.raw v(*) i(*)
 
 "}
diff --git a/xschem_library/ngspice/autozero_comp.sch b/xschem_library/ngspice/autozero_comp.sch
index 50073e61..564f7340 100644
--- a/xschem_library/ngspice/autozero_comp.sch
+++ b/xschem_library/ngspice/autozero_comp.sch
@@ -53,7 +53,7 @@ color="8 6"
 
 linewidth_mult=1.0
 hilight_wave=-1
-dataset=188
+dataset=-1
 rawfile=$netlist_dir/autozero_comp.raw
 sim_type=tran
 rainbow=0
@@ -136,7 +136,7 @@ saout
  0.45"
 sweep="freq0 freq1 freq0"
 mode=HistoH
-xlabmag=2.0}
+xlabmag=1.3}
 B 2 270 -1610 680 -1450 {flags=graph,unlocked
 y1 = 0
 y2 = 0.9