Index: 07_io/export_spice/raw.html
===================================================================
--- 07_io/export_spice/raw.html	(revision 7542)
+++ 07_io/export_spice/raw.html	(revision 7543)
@@ -28,6 +28,11 @@
 	     symbol if spice/prefix=Q, the component name will be Q41. When present,
 	     it is exported after the value attribute.
 
+	<tr>
+	<td> spice/portmap
+	<td> An array that is appended to the portmap attribute of the symbol by
+	     the plugin target_spice. Should contain lines that set spice/pinnum
+	     attributes on terminals.
 </table>
 
 <p>
@@ -39,8 +44,9 @@
 	<li> <b>one netname for each port</b> of the component; ports are first ordered
 	     numerically by their display/name (or display/pinnum or name or pinnum)
 	     attribute, then iterated from 1; ports must form a continous list from
-	     1 to the number of ports the component has; each port must be connected
-	     to a network. TODO: maybe auto-resistor to 0?
+	     1 to the number of ports the component has; implicitly unconnected
+	     ports are connected to dummy nodes (networks) that are left floating
+	     (and an error is generated)
 	<li> <b>optionally the value</b>, if there is one specified in
 	     the display/value (or value) attribute;
 	     this is useful for passives (e.g. resistors)