Netlist: export fields in its own section

eeschema/netlist_exporters/netlist_exporter_xml.cpp

@@ -311,6 +311,21 @@ XNODE* NETLIST_EXPORTER_XML::makeSymbols( unsigned aCtl )
 
             xlibsource->AddAttribute( wxT( "description" ), symbol->GetDescription() );
 
+            /* Add the symbol fields. Yes, this is redudant with the "properties"
+             * exported below, but properties has accreted everything we want to send to
+             * the footprint over time so we can't tell what's really a field.
+             */
+            XNODE* xfields = node( "fields" );
+            xcomp->AddChild( xfields );
+
+            for( const SCH_FIELD& field : symbol->GetFields() )
+            {
+                XNODE* xfield = node( wxT( "field" ), field.GetText() );
+                xfields->AddChild( xfield );
+                xfield->AddAttribute( wxT( "name" ), field.GetCanonicalName() );
+            }
+
+            /* Add the symbol properties. */
             XNODE* xproperty;
 
             std::vector<SCH_FIELD>& fields = symbol->GetFields();