diff --git a/src/findnet.c b/src/findnet.c
index 2a68af09..a43206f3 100644
--- a/src/findnet.c
+++ b/src/findnet.c
@@ -32,9 +32,7 @@ void find_closest_net(double mx,double my)
  double tmp;
  int i,w=-1;
  double threshold;
- double cg;
- cg = tclgetdoublevar("cadgrid");
- threshold = CADWIREMINDIST * CADWIREMINDIST * cg * cg / 400;
+ threshold = CADWIREMINDIST * CADWIREMINDIST * xctx->zoom * xctx->zoom;
 
  for(i=0;i<xctx->wires;i++)
  {
@@ -57,9 +55,7 @@ void find_closest_polygon(double mx,double my)
  int i, c, j, l=-1, col = 0;
  double x1, y1, x2, y2;
  double threshold;
- double cg;
- cg = tclgetdoublevar("cadgrid");
- threshold = CADWIREMINDIST * CADWIREMINDIST * cg * cg / 400;
+ threshold = CADWIREMINDIST * CADWIREMINDIST * xctx->zoom * xctx->zoom;
  for(c=0;c<cadlayers;c++)
  {
   if(!xctx->enable_layer[c]) continue;
@@ -94,9 +90,7 @@ void find_closest_line(double mx,double my)
  double tmp;
  int i,c,l=-1, col = 0;
  double threshold;
- double cg;
- cg = tclgetdoublevar("cadgrid");
- threshold = CADWIREMINDIST * CADWIREMINDIST * cg * cg / 400;
+ threshold = CADWIREMINDIST * CADWIREMINDIST * xctx->zoom * xctx->zoom;
  for(c=0;c<cadlayers;c++)
  {
   if(!xctx->enable_layer[c]) continue;
@@ -184,9 +178,7 @@ void find_closest_arc(double mx,double my)
  int i,c,r=-1, col;
  int match;
  double threshold;
- double cg;
- cg = tclgetdoublevar("cadgrid");
- threshold = CADWIREMINDIST * CADWIREMINDIST * cg * cg / 400;
+ threshold = CADWIREMINDIST * CADWIREMINDIST * xctx->zoom * xctx->zoom;
 
  for(c=0;c<cadlayers;c++)
  {
@@ -288,12 +280,10 @@ void find_closest_text(double mx,double my)
  double xx1,xx2,yy1,yy2;
  int i,r=-1, tmp;
  double threshold;
- double cg;
  #if HAS_CAIRO==1
  int customfont;
  #endif
- cg = tclgetdoublevar("cadgrid");
- threshold = CADWIREMINDIST * CADWIREMINDIST * cg * cg / 400;
+ threshold = CADWIREMINDIST * CADWIREMINDIST * xctx->zoom * xctx->zoom;
   for(i=0;i<xctx->texts;i++)
   {
    rot = xctx->text[i].rot;
diff --git a/xschem_library/examples/mos_power_ampli.sch b/xschem_library/examples/mos_power_ampli.sch
index bc5bf2fb..d145eacf 100644
--- a/xschem_library/examples/mos_power_ampli.sch
+++ b/xschem_library/examples/mos_power_ampli.sch
@@ -23,9 +23,15 @@ unitx=m
 T {ANALOG AUDIO AMPLIFIER
 N-Channel only power stage} 430 -270 0 0 0.5 0.5 {layer=8}
 N 180 -500 180 -470 {lab=E9}
+#
+# comment
+#
 N 260 -470 340 -470 {lab=E9}
 N 340 -500 340 -470 {lab=E9}
 N 1110 -700 1110 -670 {lab=SA}
+
+
+
 N 840 -1020 840 -980 {lab=E4}
 N 1110 -590 1110 -570 {lab=OUTI}
 N 1110 -510 1110 -470 {lab=#net1}
@@ -117,7 +123,7 @@ C {res.sym} 960 -410 0 1 {name=R7 m=1 value=190 net_name=true}
 C {nmos3.sym} 1090 -760 0 0 {name=xm1 model=irf540 m=1
 program=evince
 url="https://www.vishay.com/docs/91021/91021.pdf" net_name=true}
-C {res.sym} 960 -730 0 1 {name=R0 m=1 value=190 net_name=true}
+C {res.sym} 960 -730 0 1 {name=R0 m=1 value=190 net_name=true} #comment
 C {lab_pin.sym} 1390 -590 0 1 {name=p14 lab=OUT}
 C {lab_pin.sym} 1110 -280 0 0 {name=p18 lab=VNN}
 C {lab_wire.sym} 920 -440 0 0 {name=l8 lab=GB}