Index: demo/2dip.lht
===================================================================
--- demo/2dip.lht	(nonexistent)
+++ demo/2dip.lht	(revision 1393)
@@ -0,0 +1,1219 @@
+ha:pcb-rnd-board-v8 {
+
+ li:styles {
+   ha:Signal {
+    via_proto = 0
+    thickness = 0.2mm
+    text_thick = 0.0
+    text_scale = 100
+    clearance = 0.2mm
+   }
+   ha:Power {
+    via_proto = 1
+    thickness = 20.0mil
+    text_thick = 0.0
+    text_scale = 100
+    clearance = 20.0mil
+   }
+   ha:Fat {
+    via_proto = 2
+    thickness = 80.0mil
+    text_thick = 0.0
+    text_scale = 100
+    clearance = 25.0mil
+   }
+   ha:Sig-tight {
+    via_proto = 3
+    thickness = 10.0mil
+    text_thick = 0.0
+    text_scale = 100
+    clearance = 12.0mil
+   }
+ }
+
+ ha:meta {
+   ha:size {
+    thermal_scale = 0.500000
+    x = 56.515mm
+    y = 1.725in
+   }
+   ha:grid {
+    spacing = 25.0mil
+    offs_x = 0.0
+    offs_y = 0.0
+   }
+ }
+
+ ha:data {
+  li:padstack_prototypes {
+
+   ha:ps_proto_v6.0 {
+     hdia=0.8mm; hplated=1; htop=0; hbottom=0;
+     li:shape {
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=2.0mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         top = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=2.0mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         bottom = 1
+         copper = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=2.0mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         intern = 1
+        }
+        clearance=0.0
+       }
+     }
+   }
+
+   ha:ps_proto_v6.1 {
+     hdia=1.0mm; hplated=1; htop=0; hbottom=0;
+     li:shape {
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=2.2mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         top = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=2.2mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         bottom = 1
+         copper = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=2.2mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         intern = 1
+        }
+        clearance=0.0
+       }
+     }
+   }
+
+   ha:ps_proto_v6.2 {
+     hdia=1.2mm; hplated=1; htop=0; hbottom=0;
+     li:shape {
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=3.5mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         top = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=3.5mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         bottom = 1
+         copper = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=3.5mm;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         intern = 1
+        }
+        clearance=0.0
+       }
+     }
+   }
+
+   ha:ps_proto_v6.3 {
+     hdia=0.8mm; hplated=1; htop=0; hbottom=0;
+     li:shape {
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=64.0mil;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         top = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=64.0mil;        }
+        ha:combining {        }
+        ha:layer_mask {
+         bottom = 1
+         copper = 1
+        }
+        clearance=0.0
+       }
+
+       ha:ps_shape_v4 {
+        ha:ps_circ { x=0.0; y=0.0; dia=64.0mil;        }
+        ha:combining {        }
+        ha:layer_mask {
+         copper = 1
+         intern = 1
+        }
+        clearance=0.0
+       }
+     }
+   }
+  }
+
+   li:objects {
+     ha:subc.443 {
+      ha:attributes {
+       footprint=8*300
+       refdes=U1
+      }
+     ha:data {
+          li:padstack_prototypes {
+
+      ha:ps_proto_v6.0 {
+        hdia=0.8mm; hplated=1; htop=0; hbottom=0;
+        li:shape {
+
+          ha:ps_shape_v4 {
+           ha:combining {           }
+           ha:layer_mask {
+            copper = 1
+            top = 1
+           }
+           clearance=0.0
+            li:ps_poly {
+             -0.916mm  
+             -0.916mm  
+             0.916mm  
+             -0.916mm  
+             0.916mm  
+             0.916mm  
+             -0.916mm  
+             0.916mm  
+            }
+          }
+
+          ha:ps_shape_v4 {
+           ha:combining {           }
+           ha:layer_mask {
+            copper = 1
+            intern = 1
+           }
+           clearance=0.0
+            li:ps_poly {
+             -0.916mm  
+             -0.916mm  
+             0.916mm  
+             -0.916mm  
+             0.916mm  
+             0.916mm  
+             -0.916mm  
+             0.916mm  
+            }
+          }
+
+          ha:ps_shape_v4 {
+           ha:combining {           }
+           ha:layer_mask {
+            bottom = 1
+            copper = 1
+           }
+           clearance=0.0
+            li:ps_poly {
+             -0.916mm  
+             -0.916mm  
+             0.916mm  
+             -0.916mm  
+             0.916mm  
+             0.916mm  
+             -0.916mm  
+             0.916mm  
+            }
+          }
+
+          ha:ps_shape_v4 {
+           ha:combining { sub=1; auto=1;           }
+           ha:layer_mask {
+            top = 1
+            mask = 1
+           }
+           clearance=0.0
+            li:ps_poly {
+             -0.9922mm  
+             -0.9922mm  
+             0.9922mm  
+             -0.9922mm  
+             0.9922mm  
+             0.9922mm  
+             -0.9922mm  
+             0.9922mm  
+            }
+          }
+
+          ha:ps_shape_v4 {
+           ha:combining { sub=1; auto=1;           }
+           ha:layer_mask {
+            bottom = 1
+            mask = 1
+           }
+           clearance=0.0
+            li:ps_poly {
+             -0.9922mm  
+             -0.9922mm  
+             0.9922mm  
+             -0.9922mm  
+             0.9922mm  
+             0.9922mm  
+             -0.9922mm  
+             0.9922mm  
+            }
+          }
+        }
+      }
+
+      ha:ps_proto_v6.1 {
+        hdia=0.8mm; hplated=1; htop=0; hbottom=0;
+        li:shape {
+
+          ha:ps_shape_v4 {
+           ha:ps_circ { x=0.0; y=0.0; dia=1.832mm;           }
+           ha:combining {           }
+           ha:layer_mask {
+            copper = 1
+            top = 1
+           }
+           clearance=0.0
+          }
+
+          ha:ps_shape_v4 {
+           ha:ps_circ { x=0.0; y=0.0; dia=1.832mm;           }
+           ha:combining {           }
+           ha:layer_mask {
+            copper = 1
+            intern = 1
+           }
+           clearance=0.0
+          }
+
+          ha:ps_shape_v4 {
+           ha:ps_circ { x=0.0; y=0.0; dia=1.832mm;           }
+           ha:combining {           }
+           ha:layer_mask {
+            bottom = 1
+            copper = 1
+           }
+           clearance=0.0
+          }
+
+          ha:ps_shape_v4 {
+           ha:ps_circ { x=0.0; y=0.0; dia=1.9844mm;           }
+           ha:combining { sub=1; auto=1;           }
+           ha:layer_mask {
+            top = 1
+            mask = 1
+           }
+           clearance=0.0
+          }
+
+          ha:ps_shape_v4 {
+           ha:ps_circ { x=0.0; y=0.0; dia=1.9844mm;           }
+           ha:combining { sub=1; auto=1;           }
+           ha:layer_mask {
+            bottom = 1
+            mask = 1
+           }
+           clearance=0.0
+          }
+        }
+      }
+     }
+
+      li:objects {
+       ha:padstack_ref.470 {
+        proto=0; x=500.0mil; y=575.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=1
+        }
+       }
+       ha:padstack_ref.471 {
+        proto=1; x=800.0mil; y=575.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=8
+        }
+       }
+       ha:padstack_ref.472 {
+        proto=1; x=500.0mil; y=675.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=2
+        }
+       }
+       ha:padstack_ref.473 {
+        proto=1; x=800.0mil; y=675.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=7
+        }
+       }
+       ha:padstack_ref.474 {
+        proto=1; x=500.0mil; y=775.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=3
+        }
+       }
+       ha:padstack_ref.475 {
+        proto=1; x=800.0mil; y=775.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=6
+        }
+       }
+       ha:padstack_ref.476 {
+        proto=1; x=500.0mil; y=875.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=4
+        }
+       }
+       ha:padstack_ref.477 {
+        proto=1; x=800.0mil; y=875.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+        ha:flags {
+         clearline=1
+        }
+
+        li:thermal {
+        }
+
+        ha:attributes {
+          term=5
+        }
+       }
+      }
+      li:layers {
+
+       ha:subc-aux {
+        lid=0
+        ha:combining {        }
+
+         li:objects {
+          ha:line.444 {
+           x1=500.0mil; y1=575.0mil; x2=13.700001mm; y2=575.0mil; thickness=0.1mm; clearance=0.0;
+           ha:attributes {
+             subc-role=x
+           }
+ ha:flags ={ selected=1
+ };          }
+          ha:line.447 {
+           x1=500.0mil; y1=575.0mil; x2=500.0mil; y2=15.605001mm; thickness=0.1mm; clearance=0.0;
+           ha:attributes {
+             subc-role=y
+           }
+ ha:flags ={ selected=1
+ };          }
+          ha:line.450 {
+           x1=500.0mil; y1=575.0mil; x2=500.0mil; y2=575.0mil; thickness=0.1mm; clearance=0.0;
+           ha:attributes {
+             subc-role=origin
+           }
+ ha:flags ={ selected=1
+ };          }
+         }
+         ha:type {
+          top = 1
+          misc = 1
+          virtual = 1
+         }
+       }
+
+       ha:top-silk {
+        lid=1
+        ha:combining {        }
+
+         li:objects {
+          ha:line.453 {
+           x1=450.0mil; y1=525.0mil; x2=450.0mil; y2=925.0mil; thickness=10.0mil; clearance=0.0;
+          }
+          ha:line.456 {
+           x1=850.0mil; y1=925.0mil; x2=450.0mil; y2=925.0mil; thickness=10.0mil; clearance=0.0;
+          }
+          ha:line.459 {
+           x1=850.0mil; y1=925.0mil; x2=850.0mil; y2=525.0mil; thickness=10.0mil; clearance=0.0;
+          }
+          ha:line.462 {
+           x1=450.0mil; y1=525.0mil; x2=600.0mil; y2=525.0mil; thickness=10.0mil; clearance=0.0;
+          }
+          ha:line.465 {
+           x1=700.0mil; y1=525.0mil; x2=850.0mil; y2=525.0mil; thickness=10.0mil; clearance=0.0;
+          }
+          ha:arc.468 {
+           x=650.0mil; y=525.0mil; width=50.0mil; height=50.0mil; astart=0.000000; adelta=180.000000; thickness=10.0mil; clearance=0.0;
+          }
+          ha:text.469 {
+           string=%a.parent.refdes%; x=500.0mil; y=475.0mil; scale=100; fid=0;
+           ha:flags {
+            dyntext=1
+            floater=1
+           }
+           rot = 0.000000
+          }
+         }
+         ha:type {
+          silk = 1
+          top = 1
+         }
+       }
+      }
+     }
+      uid = Prm/FIlakhcnnciUeGTHAAAA
+     }
+      ha:subc.583 {
+       ha:attributes {
+        footprint=8*300
+        refdes=U2
+       }
+      ha:data {
+            li:padstack_prototypes {
+
+       ha:ps_proto_v6.0 {
+         hdia=0.8mm; hplated=1; htop=0; hbottom=0;
+         li:shape {
+
+           ha:ps_shape_v4 {
+            ha:combining {            }
+            ha:layer_mask {
+             copper = 1
+             top = 1
+            }
+            clearance=0.0
+             li:ps_poly {
+              -0.916mm  
+              -0.916mm  
+              0.916mm  
+              -0.916mm  
+              0.916mm  
+              0.916mm  
+              -0.916mm  
+              0.916mm  
+             }
+           }
+
+           ha:ps_shape_v4 {
+            ha:combining {            }
+            ha:layer_mask {
+             copper = 1
+             intern = 1
+            }
+            clearance=0.0
+             li:ps_poly {
+              -0.916mm  
+              -0.916mm  
+              0.916mm  
+              -0.916mm  
+              0.916mm  
+              0.916mm  
+              -0.916mm  
+              0.916mm  
+             }
+           }
+
+           ha:ps_shape_v4 {
+            ha:combining {            }
+            ha:layer_mask {
+             bottom = 1
+             copper = 1
+            }
+            clearance=0.0
+             li:ps_poly {
+              -0.916mm  
+              -0.916mm  
+              0.916mm  
+              -0.916mm  
+              0.916mm  
+              0.916mm  
+              -0.916mm  
+              0.916mm  
+             }
+           }
+
+           ha:ps_shape_v4 {
+            ha:combining { sub=1; auto=1;            }
+            ha:layer_mask {
+             top = 1
+             mask = 1
+            }
+            clearance=0.0
+             li:ps_poly {
+              -0.9922mm  
+              -0.9922mm  
+              0.9922mm  
+              -0.9922mm  
+              0.9922mm  
+              0.9922mm  
+              -0.9922mm  
+              0.9922mm  
+             }
+           }
+
+           ha:ps_shape_v4 {
+            ha:combining { sub=1; auto=1;            }
+            ha:layer_mask {
+             bottom = 1
+             mask = 1
+            }
+            clearance=0.0
+             li:ps_poly {
+              -0.9922mm  
+              -0.9922mm  
+              0.9922mm  
+              -0.9922mm  
+              0.9922mm  
+              0.9922mm  
+              -0.9922mm  
+              0.9922mm  
+             }
+           }
+         }
+       }
+
+       ha:ps_proto_v6.1 {
+         hdia=0.8mm; hplated=1; htop=0; hbottom=0;
+         li:shape {
+
+           ha:ps_shape_v4 {
+            ha:ps_circ { x=0.0; y=0.0; dia=1.832mm;            }
+            ha:combining {            }
+            ha:layer_mask {
+             copper = 1
+             top = 1
+            }
+            clearance=0.0
+           }
+
+           ha:ps_shape_v4 {
+            ha:ps_circ { x=0.0; y=0.0; dia=1.832mm;            }
+            ha:combining {            }
+            ha:layer_mask {
+             copper = 1
+             intern = 1
+            }
+            clearance=0.0
+           }
+
+           ha:ps_shape_v4 {
+            ha:ps_circ { x=0.0; y=0.0; dia=1.832mm;            }
+            ha:combining {            }
+            ha:layer_mask {
+             bottom = 1
+             copper = 1
+            }
+            clearance=0.0
+           }
+
+           ha:ps_shape_v4 {
+            ha:ps_circ { x=0.0; y=0.0; dia=1.9844mm;            }
+            ha:combining { sub=1; auto=1;            }
+            ha:layer_mask {
+             top = 1
+             mask = 1
+            }
+            clearance=0.0
+           }
+
+           ha:ps_shape_v4 {
+            ha:ps_circ { x=0.0; y=0.0; dia=1.9844mm;            }
+            ha:combining { sub=1; auto=1;            }
+            ha:layer_mask {
+             bottom = 1
+             mask = 1
+            }
+            clearance=0.0
+           }
+         }
+       }
+      }
+
+       li:objects {
+        ha:padstack_ref.610 {
+         proto=0; x=1.4in; y=775.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=1
+         }
+        }
+        ha:padstack_ref.611 {
+         proto=1; x=1.7in; y=775.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=8
+         }
+        }
+        ha:padstack_ref.612 {
+         proto=1; x=1.4in; y=875.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=2
+         }
+        }
+        ha:padstack_ref.613 {
+         proto=1; x=1.7in; y=875.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=7
+         }
+        }
+        ha:padstack_ref.614 {
+         proto=1; x=1.4in; y=975.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=3
+         }
+        }
+        ha:padstack_ref.615 {
+         proto=1; x=1.7in; y=975.0mil; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=6
+         }
+        }
+        ha:padstack_ref.616 {
+         proto=1; x=1.4in; y=27.305mm; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=4
+         }
+        }
+        ha:padstack_ref.617 {
+         proto=1; x=1.7in; y=27.305mm; rot=0.000000; xmirror=0; smirror=0; clearance=0.2mm;
+         ha:flags {
+          clearline=1
+         }
+
+         li:thermal {
+         }
+
+         ha:attributes {
+           term=5
+         }
+        }
+       }
+       li:layers {
+
+        ha:subc-aux {
+         lid=0
+         ha:combining {         }
+
+          li:objects {
+           ha:line.584 {
+            x1=1.4in; y1=775.0mil; x2=36.560001mm; y2=775.0mil; thickness=0.1mm; clearance=0.0;
+            ha:flags {
+             selected=1
+            }
+
+            ha:attributes {
+              subc-role=x
+            }
+           }
+           ha:line.587 {
+            x1=1.4in; y1=775.0mil; x2=1.4in; y2=20.685001mm; thickness=0.1mm; clearance=0.0;
+            ha:flags {
+             selected=1
+            }
+
+            ha:attributes {
+              subc-role=y
+            }
+           }
+           ha:line.590 {
+            x1=1.4in; y1=775.0mil; x2=1.4in; y2=775.0mil; thickness=0.1mm; clearance=0.0;
+            ha:flags {
+             selected=1
+            }
+
+            ha:attributes {
+              subc-role=origin
+            }
+           }
+          }
+          ha:type {
+           top = 1
+           misc = 1
+           virtual = 1
+          }
+        }
+
+        ha:top-silk {
+         lid=1
+         ha:combining {         }
+
+          li:objects {
+           ha:line.593 {
+            x1=1.35in; y1=725.0mil; x2=1.35in; y2=1.125in; thickness=10.0mil; clearance=0.0;
+           }
+           ha:line.596 {
+            x1=44.45mm; y1=1.125in; x2=1.35in; y2=1.125in; thickness=10.0mil; clearance=0.0;
+           }
+           ha:line.599 {
+            x1=44.45mm; y1=1.125in; x2=44.45mm; y2=725.0mil; thickness=10.0mil; clearance=0.0;
+           }
+           ha:line.602 {
+            x1=1.35in; y1=725.0mil; x2=38.1mm; y2=725.0mil; thickness=10.0mil; clearance=0.0;
+           }
+           ha:line.605 {
+            x1=1.6in; y1=725.0mil; x2=44.45mm; y2=725.0mil; thickness=10.0mil; clearance=0.0;
+           }
+           ha:arc.608 {
+            x=1.55in; y=725.0mil; width=50.0mil; height=50.0mil; astart=0.000000; adelta=180.000000; thickness=10.0mil; clearance=0.0;
+           }
+           ha:text.609 {
+            string=%a.parent.refdes%; x=1.4in; y=675.0mil; scale=100; fid=0;
+            ha:flags {
+             dyntext=1
+             floater=1
+            }
+            rot = 0.000000
+           }
+          }
+          ha:type {
+           silk = 1
+           top = 1
+          }
+        }
+       }
+      }
+       uid = Prm/FIlakhcnnciUeGTHAAAA
+      }
+   }
+   li:layers {
+
+    ha:top-sig {
+     lid=0
+     group=3
+     ha:combining {     }
+
+      ha:attributes {
+        {pcb-rnd::key::vis}={<Key>l; Shift<Key>t}
+        {pcb-rnd::key::select}={<Key>l; <Key>t}
+      }
+
+      li:objects {
+      }
+      color = {#8b2323}
+    }
+
+    ha:bottom-sig {
+     lid=1
+     group=8
+     ha:combining {     }
+
+      ha:attributes {
+        {pcb-rnd::key::vis}={<Key>l; Shift<Key>b}
+        {pcb-rnd::key::select}={<Key>l; <Key>b}
+      }
+
+      li:objects {
+      }
+      color = {#3a5fcd}
+    }
+
+    ha:outline {
+     lid=2
+     group=7
+     ha:combining {     }
+
+      li:objects {
+      }
+      color = {#00868b}
+    }
+
+    ha:bottom-silk {
+     lid=3
+     group=10
+     ha:combining { auto=1;     }
+
+      ha:attributes {
+        {pcb-rnd::key::vis}={<Key>l; Shift<Key>x}
+        {pcb-rnd::key::select}={<Key>l; <Key>x}
+      }
+
+      li:objects {
+      }
+      color = {#000000}
+    }
+
+    ha:top-silk {
+     lid=4
+     group=1
+     ha:combining { auto=1;     }
+
+      ha:attributes {
+        {pcb-rnd::key::vis}={<Key>l; Shift<Key>s}
+        {pcb-rnd::key::select}={<Key>l; <Key>s}
+      }
+
+      li:objects {
+      }
+      color = {#000000}
+    }
+
+    ha:top-paste {
+     lid=5
+     group=0
+     ha:combining { auto=1;     }
+
+      li:objects {
+      }
+      color = {#cd00cd}
+    }
+
+    ha:top-mask {
+     lid=6
+     group=2
+     ha:combining { sub=1; auto=1;     }
+
+      li:objects {
+      }
+      color = {#ff0000}
+    }
+
+    ha:bottom-mask {
+     lid=7
+     group=9
+     ha:combining { sub=1; auto=1;     }
+
+      li:objects {
+      }
+      color = {#ff0000}
+    }
+
+    ha:bottom-paste {
+     lid=8
+     group=11
+     ha:combining { auto=1;     }
+
+      li:objects {
+      }
+      color = {#cd00cd}
+    }
+
+    ha:slot-plated {
+     lid=9
+     group=12
+     ha:combining { auto=1;     }
+
+      li:objects {
+      }
+      color = {#8b7355}
+    }
+
+    ha:slot-unplated {
+     lid=10
+     group=13
+     ha:combining { auto=1;     }
+
+      li:objects {
+      }
+      color = {#00868b}
+    }
+
+    ha:top-assy {
+     lid=11
+     group=14
+     ha:combining {     }
+
+      li:objects {
+      }
+      color = {#444444}
+    }
+
+    ha:bot-assy {
+     lid=12
+     group=15
+     ha:combining {     }
+
+      li:objects {
+      }
+      color = {#444444}
+    }
+
+    ha:fab {
+     lid=13
+     group=16
+     ha:combining { auto=1;     }
+
+      li:objects {
+      }
+      color = {#222222}
+    }
+   }
+ }
+
+ ha:netlists {
+   li:netlist_patch {
+   ha:add_conn { net=pcbrnd1; term=U1-1;   }
+   ha:add_conn { net=pcbrnd1; term=U2-1;   }
+   ha:add_conn { net=pcbrnd1; term=U2-5;   }
+   ha:add_conn { net=pcbrnd2; term=U1-2;   }
+   ha:add_conn { net=pcbrnd2; term=U1-5;   }
+   ha:add_conn { net=pcbrnd3; term=U1-3;   }
+   ha:add_conn { net=pcbrnd3; term=U1-6;   }
+   ha:add_conn { net=pcbrnd3; term=U2-6;   }
+   ha:add_conn { net=pcbrnd4; term=U1-4;   }
+   ha:add_conn { net=pcbrnd4; term=U2-4;   }
+   ha:add_conn { net=pcbrnd4; term=U2-3;   }
+   ha:add_conn { net=pcbrnd5; term=U1-7;   }
+   ha:add_conn { net=pcbrnd5; term=U2-7;   }
+   ha:add_conn { net=pcbrnd6; term=U2-2;   }
+   ha:add_conn { net=pcbrnd6; term=U1-8;   }
+   }
+ }
+ ha:layer_stack {
+  li:groups {
+   ha:0 {
+    name = top_paste
+    ha:type { top=1; paste=1;    }
+    li:layers { 5;    }
+   }
+   ha:1 {
+    name = top_silk
+    ha:type { silk=1; top=1;    }
+    li:layers { 4;    }
+   }
+   ha:2 {
+    name = top_mask
+    ha:type { top=1; mask=1;    }
+    li:layers { 6;    }
+   }
+   ha:3 {
+    name = top_copper
+    ha:type { copper=1; top=1;    }
+    li:layers { 0;    }
+   }
+   ha:4 {
+    name = grp_4
+    ha:type { substrate=1; intern=1;    }
+    li:layers {    }
+    ha:attributes {
+     thickness={0.7375mm }
+    }
+   }
+   ha:5 {
+    name = grp_6
+    ha:type { substrate=1; intern=1;    }
+    li:layers {    }
+    ha:attributes {
+     thickness={0.125mm }
+    }
+   }
+   ha:6 {
+    name = grp_8
+    ha:type { substrate=1; intern=1;    }
+    li:layers {    }
+    ha:attributes {
+     thickness={0.7375mm }
+    }
+   }
+   ha:7 {
+    name = global_outline
+    ha:type { boundary=1;    }
+    li:layers { 2;    }
+    purpose = uroute
+   }
+   ha:8 {
+    name = bottom_copper
+    ha:type { bottom=1; copper=1;    }
+    li:layers { 1;    }
+   }
+   ha:9 {
+    name = bottom_mask
+    ha:type { bottom=1; mask=1;    }
+    li:layers { 7;    }
+   }
+   ha:10 {
+    name = bottom_silk
+    ha:type { silk=1; bottom=1;    }
+    li:layers { 3;    }
+   }
+   ha:11 {
+    name = bottom_paste
+    ha:type { bottom=1; paste=1;    }
+    li:layers { 8;    }
+   }
+   ha:12 {
+    name = pmech
+    ha:type { mech=1;    }
+    li:layers { 9;    }
+    purpose = proute
+   }
+   ha:13 {
+    name = umech
+    ha:type { mech=1;    }
+    li:layers { 10;    }
+    purpose = uroute
+   }
+   ha:14 {
+    name = top_assy
+    ha:type { top=1; doc=1;    }
+    li:layers { 11;    }
+    ha:attributes {
+     init-invis=1
+    }
+    purpose = assy
+   }
+   ha:15 {
+    name = bot_assy
+    ha:type { bottom=1; doc=1;    }
+    li:layers { 12;    }
+    ha:attributes {
+     init-invis=1
+    }
+    purpose = assy
+   }
+   ha:16 {
+    name = fab
+    ha:type { top=1; doc=1;    }
+    li:layers { 13;    }
+    ha:attributes {
+     init-invis=1
+    }
+    purpose = fab
+   }
+  }
+ }
+ li:pcb-rnd-conf-v1 {
+  ha:overwrite {
+   ha:design {
+    text_font_id = 0
+     line_thickness = 200.00 um
+     via_proto = 0
+     text_scale = 100
+     text_thickness = 0
+     clearance = 200.00 um
+   }
+   ha:editor {
+     buffer_number = 0
+      grid_unit = mm
+      show_drc = true
+   }
+  }
+ }
+ ha:pixmaps {
+ }
+}
Index: demo/2dip.tdx
===================================================================
--- demo/2dip.tdx	(nonexistent)
+++ demo/2dip.tdx	(revision 1393)
@@ -0,0 +1,92 @@
+tEDAx v1
+
+begin stackup v1 board_stackup
+ layer 3.top_copper top copper
+  lprop 3.top_copper display-color #8b2323
+ layer 8.bottom_copper bottom copper
+  lprop 8.bottom_copper display-color #3a5fcd
+end stackup
+
+begin polyline v1 pstk_0x56085929b880_0x56085911f3a0
+ v -0.916 -0.916
+ v 0.916 -0.916
+ v 0.916 0.916
+ v -0.916 0.916
+end polyline
+begin polyline v1 pstk_0x5608592a5be0_0x56085911f3a0
+ v -0.916 -0.916
+ v 0.916 -0.916
+ v 0.916 0.916
+ v -0.916 0.916
+end polyline
+begin layernet v1 3.top_copper
+ poly pcb/443/470 pcbrnd1 tmd pstk_0x56085929b880_0x56085911f3a0 12.7 14.605
+ line pcb/443/471 pcbrnd6 tmd 20.32 14.605 20.32 14.605 1.832 0.1
+ line pcb/443/472 pcbrnd2 tmd 12.7 17.145 12.7 17.145 1.832 0.1
+ line pcb/443/473 pcbrnd5 tmd 20.32 17.145 20.32 17.145 1.832 0.1
+ line pcb/443/474 pcbrnd3 tmd 12.7 19.685 12.7 19.685 1.832 0.1
+ line pcb/443/475 pcbrnd3 tmd 20.32 19.685 20.32 19.685 1.832 0.1
+ line pcb/443/476 pcbrnd4 tmd 12.7 22.225 12.7 22.225 1.832 0.1
+ line pcb/443/477 pcbrnd2 tmd 20.32 22.225 20.32 22.225 1.832 0.1
+ poly pcb/583/610 pcbrnd1 tmd pstk_0x5608592a5be0_0x56085911f3a0 35.56 19.685
+ line pcb/583/611 - tmd 43.18 19.685 43.18 19.685 1.832 0.1
+ line pcb/583/612 pcbrnd6 tmd 35.56 22.225 35.56 22.225 1.832 0.1
+ line pcb/583/613 pcbrnd5 tmd 43.18 22.225 43.18 22.225 1.832 0.1
+ line pcb/583/614 pcbrnd4 tmd 35.56 24.765 35.56 24.765 1.832 0.1
+ line pcb/583/615 pcbrnd3 tmd 43.18 24.765 43.18 24.765 1.832 0.1
+ line pcb/583/616 pcbrnd4 tmd 35.56 27.305 35.56 27.305 1.832 0.1
+ line pcb/583/617 pcbrnd1 tmd 43.18 27.305 43.18 27.305 1.832 0.1
+end layernet
+
+begin polyline v1 pstk_0x56085929b880_0x56085911f5a0
+ v -0.916 -0.916
+ v 0.916 -0.916
+ v 0.916 0.916
+ v -0.916 0.916
+end polyline
+begin polyline v1 pstk_0x5608592a5be0_0x56085911f5a0
+ v -0.916 -0.916
+ v 0.916 -0.916
+ v 0.916 0.916
+ v -0.916 0.916
+end polyline
+begin layernet v1 8.bottom_copper
+ poly pcb/443/470 pcbrnd1 tmd pstk_0x56085929b880_0x56085911f5a0 12.7 14.605
+ line pcb/443/471 pcbrnd6 tmd 20.32 14.605 20.32 14.605 1.832 0.1
+ line pcb/443/472 pcbrnd2 tmd 12.7 17.145 12.7 17.145 1.832 0.1
+ line pcb/443/473 pcbrnd5 tmd 20.32 17.145 20.32 17.145 1.832 0.1
+ line pcb/443/474 pcbrnd3 tmd 12.7 19.685 12.7 19.685 1.832 0.1
+ line pcb/443/475 pcbrnd3 tmd 20.32 19.685 20.32 19.685 1.832 0.1
+ line pcb/443/476 pcbrnd4 tmd 12.7 22.225 12.7 22.225 1.832 0.1
+ line pcb/443/477 pcbrnd2 tmd 20.32 22.225 20.32 22.225 1.832 0.1
+ poly pcb/583/610 pcbrnd1 tmd pstk_0x5608592a5be0_0x56085911f5a0 35.56 19.685
+ line pcb/583/611 - tmd 43.18 19.685 43.18 19.685 1.832 0.1
+ line pcb/583/612 pcbrnd6 tmd 35.56 22.225 35.56 22.225 1.832 0.1
+ line pcb/583/613 pcbrnd5 tmd 43.18 22.225 43.18 22.225 1.832 0.1
+ line pcb/583/614 pcbrnd4 tmd 35.56 24.765 35.56 24.765 1.832 0.1
+ line pcb/583/615 pcbrnd3 tmd 43.18 24.765 43.18 24.765 1.832 0.1
+ line pcb/583/616 pcbrnd4 tmd 35.56 27.305 35.56 27.305 1.832 0.1
+ line pcb/583/617 pcbrnd1 tmd 43.18 27.305 43.18 27.305 1.832 0.1
+end layernet
+
+
+begin route_req v1 -
+ stackup board_stackup
+ via pcb/443/470 pcbrnd1 tmd 12.7 14.605 0.8 0
+ via pcb/443/471 pcbrnd6 tmd 20.32 14.605 0.8 0
+ via pcb/443/472 pcbrnd2 tmd 12.7 17.145 0.8 0
+ via pcb/443/473 pcbrnd5 tmd 20.32 17.145 0.8 0
+ via pcb/443/474 pcbrnd3 tmd 12.7 19.685 0.8 0
+ via pcb/443/475 pcbrnd3 tmd 20.32 19.685 0.8 0
+ via pcb/443/476 pcbrnd4 tmd 12.7 22.225 0.8 0
+ via pcb/443/477 pcbrnd2 tmd 20.32 22.225 0.8 0
+ via pcb/583/610 pcbrnd1 tmd 35.56 19.685 0.8 0
+ via pcb/583/611 - tmd 43.18 19.685 0.8 0
+ via pcb/583/612 pcbrnd6 tmd 35.56 22.225 0.8 0
+ via pcb/583/613 pcbrnd5 tmd 43.18 22.225 0.8 0
+ via pcb/583/614 pcbrnd4 tmd 35.56 24.765 0.8 0
+ via pcb/583/615 pcbrnd3 tmd 43.18 24.765 0.8 0
+ via pcb/583/616 pcbrnd4 tmd 35.56 27.305 0.8 0
+ via pcb/583/617 pcbrnd1 tmd 43.18 27.305 0.8 0
+ route_all
+end route_req