Index: file.c
===================================================================
--- file.c	(revision 27344)
+++ file.c	(revision 27345)
@@ -420,16 +420,12 @@
 	}
 }
 
-int io_pcb_WriteSubcData(pcb_plug_io_t *ctx, FILE *FP, pcb_data_t *Data, long subc_idx)
+static void io_pcb_print_subc(pcb_plug_io_t *ctx, FILE *FP, pcb_subc_t *sc)
 {
-	gdl_iterator_t sit, it;
-	pcb_subc_t *sc;
+	const char *attr_inhibit[] = {"refdes", "value", "footprint", NULL }; /* these are saved in the header if the element */
+	gdl_iterator_t it;
 	int l;
-	const char *attr_inhibit[] = {"refdes", "value", "footprint", NULL }; /* these are saved in the header if the element */
 
-	pcb_printf_slot[0] = ((io_pcb_ctx_t *)(ctx->plugin_data))->write_coord_fmt;
-
-	subclist_foreach(&Data->subc, &sit, sc) {
 		pcb_coord_t ox, oy, rx = 0, ry = 0;
 		int rdir = 0, rscale = 100, on_bot = 0;
 		pcb_text_t *trefdes;
@@ -436,9 +432,6 @@
 		pcb_pstk_t *ps;
 		pcb_any_obj_t fobj;
 
-		if ((subc_idx != -1) && (subc_idx != sit.count))
-			continue;
-
 		pcb_subc_get_origin(sc, &ox, &oy);
 		trefdes = pcb_subc_get_refdes_text(sc);
 		if (pcb_subc_get_side(sc, &on_bot) != 0)
@@ -538,7 +531,7 @@
 					pcb_io_incompat_save(sc->data, NULL, "element-obj", desc, "only lines and arcs are exported");
 					free(desc);
 				}
-				continue;
+				return;
 			}
 
 			if (!(ly->meta.bound.type & PCB_LYT_VIRTUAL) && (!pcb_layer_is_pure_empty(ly))) {
@@ -548,10 +541,41 @@
 			}
 		}
 		fputs("\n)\n", FP);
+}
+
+int io_pcb_WriteSubcData(pcb_plug_io_t *ctx, FILE *FP, pcb_data_t *Data, long subc_idx)
+{
+	gdl_iterator_t sit;
+	pcb_subc_t *sc;
+
+	pcb_printf_slot[0] = ((io_pcb_ctx_t *)(ctx->plugin_data))->write_coord_fmt;
+
+	subclist_foreach(&Data->subc, &sit, sc) {
+		if ((subc_idx != -1) && (subc_idx != sit.count))
+			continue;
+
+		io_pcb_print_subc(ctx, FP, sc);
 	}
 	return 0;
 }
 
+int io_pcb_write_subcs_head(pcb_plug_io_t *ctx, void **udata, FILE *f, int lib, long num_subcs)
+{
+	return 0;
+}
+
+int io_pcb_write_subcs_subc(pcb_plug_io_t *ctx, void **udata, FILE *f, pcb_subc_t *subc)
+{
+	pcb_printf_slot[0] = ((io_pcb_ctx_t *)(ctx->plugin_data))->write_coord_fmt;
+	io_pcb_print_subc(ctx, f, subc);
+	return 0;
+}
+
+int io_pcb_write_subcs_tail(pcb_plug_io_t *ctx, void **udata, FILE *f)
+{
+	return 0;
+}
+
 static const char *layer_name_hack(pcb_layer_t *layer, const char *name)
 {
 	unsigned long lflg = pcb_layer_flags_(layer);
Index: file.h
===================================================================
--- file.h	(revision 27344)
+++ file.h	(revision 27345)
@@ -58,7 +58,11 @@
 
 int io_pcb_WriteSubcData(pcb_plug_io_t *ctx, FILE *f, pcb_data_t *data, long subc_idx);
 int io_pcb_WritePCB(pcb_plug_io_t *ctx, FILE *f, const char *old_filename, const char *new_filename, pcb_bool emergency);
+int io_pcb_write_subcs_head(pcb_plug_io_t *ctx, void **udata, FILE *f, int lib, long num_subcs);
+int io_pcb_write_subcs_subc(pcb_plug_io_t *ctx, void **udata, FILE *f, pcb_subc_t *subc);
+int io_pcb_write_subcs_tail(pcb_plug_io_t *ctx, void **udata, FILE *f);
 
+
 void PreLoadElementPCB(void);
 void PostLoadElementPCB(void);
 
Index: io_pcb.c
===================================================================
--- io_pcb.c	(revision 27344)
+++ io_pcb.c	(revision 27345)
@@ -76,6 +76,9 @@
 	io_pcb[0].parse_font = io_pcb_ParseFont;
 	io_pcb[0].write_buffer = NULL;
 	io_pcb[0].write_footprint = io_pcb_WriteSubcData;
+	io_pcb[0].write_subcs_head = io_pcb_write_subcs_head;
+	io_pcb[0].write_subcs_subc = io_pcb_write_subcs_subc;
+	io_pcb[0].write_subcs_tail = io_pcb_write_subcs_tail;
 	io_pcb[0].write_pcb = io_pcb_WritePCB;
 	io_pcb[0].default_fmt = "pcb";
 	io_pcb[0].description = "geda/pcb - mainline (centimils)";
@@ -91,6 +94,9 @@
 	io_pcb[1].fmt_support_prio = io_pcb_fmt;
 	io_pcb[1].write_buffer = NULL;
 	io_pcb[1].write_footprint = io_pcb_WriteSubcData;
+	io_pcb[1].write_subcs_head = io_pcb_write_subcs_head;
+	io_pcb[1].write_subcs_subc = io_pcb_write_subcs_subc;
+	io_pcb[1].write_subcs_tail = io_pcb_write_subcs_tail;
 	io_pcb[1].write_pcb = io_pcb_WritePCB;
 	io_pcb[1].default_fmt = "pcb";
 	io_pcb[1].description = "geda/pcb - readable units";
@@ -106,6 +112,9 @@
 	io_pcb[2].fmt_support_prio = io_pcb_fmt;
 	io_pcb[2].write_buffer = NULL;
 	io_pcb[2].write_footprint = io_pcb_WriteSubcData;
+	io_pcb[2].write_subcs_head = io_pcb_write_subcs_head;
+	io_pcb[2].write_subcs_subc = io_pcb_write_subcs_subc;
+	io_pcb[2].write_subcs_tail = io_pcb_write_subcs_tail;
 	io_pcb[2].write_pcb = io_pcb_WritePCB;
 	io_pcb[2].default_fmt = "pcb";
 	io_pcb[2].description = "geda/pcb - nanometer";