Index: trunk/src/attrib.c
===================================================================
--- trunk/src/attrib.c	(revision 11019)
+++ trunk/src/attrib.c	(revision 11020)
@@ -161,3 +161,15 @@
 			pcb_attribute_remove_idx(dst, i);
 }
 
+
+void pcb_attrib_compat_set_intconn(pcb_attribute_list_t *dst, int intconn)
+{
+	char buff[32];
+
+	if (intconn <= 0)
+		return;
+
+	sprintf(buff, "%d", intconn & 0xFF);
+	pcb_attribute_put(dst, "intconn", buff);
+}
+
Index: trunk/src/attrib.h
===================================================================
--- trunk/src/attrib.h	(revision 11019)
+++ trunk/src/attrib.h	(revision 11020)
@@ -74,4 +74,7 @@
 void pcb_attribute_copyback(pcb_attribute_list_t *dst, const char *name, const char *value);
 void pcb_attribute_copyback_end(pcb_attribute_list_t *dst);
 
+/* Set the intconn attribute - hack for compatibility parsing */
+void pcb_attrib_compat_set_intconn(pcb_attribute_list_t *dst, int intconn);
+
 #endif
Index: trunk/src/obj_pad.c
===================================================================
--- trunk/src/obj_pad.c	(revision 11019)
+++ trunk/src/obj_pad.c	(revision 11020)
@@ -53,6 +53,7 @@
 
 	new_obj = calloc(sizeof(pcb_pad_t), 1);
 	new_obj->type = PCB_OBJ_PAD;
+	new_obj->Attributes.post_change = pcb_obj_attrib_post_change;
 	PCB_SET_PARENT(new_obj, element, element);
 
 	padlist_append(&element->Pad, new_obj);
Index: trunk/src/obj_pinvia.c
===================================================================
--- trunk/src/obj_pinvia.c	(revision 11019)
+++ trunk/src/obj_pinvia.c	(revision 11020)
@@ -76,6 +76,7 @@
 
 	new_obj = calloc(sizeof(pcb_pin_t), 1);
 	new_obj->type = PCB_OBJ_PIN;
+	new_obj->Attributes.post_change = pcb_obj_attrib_post_change;
 	PCB_SET_PARENT(new_obj, element, element);
 
 	pinlist_append(&element->Pin, new_obj);
Index: trunk/src_plugins/io_lihata/read.c
===================================================================
--- trunk/src_plugins/io_lihata/read.c	(revision 11019)
+++ trunk/src_plugins/io_lihata/read.c	(revision 11020)
@@ -368,6 +368,7 @@
 static int parse_line(pcb_layer_t *ly, pcb_element_t *el, lht_node_t *obj, int no_id, pcb_coord_t dx, pcb_coord_t dy)
 {
 	pcb_line_t *line;
+	unsigned char intconn = 0;
 
 	if (ly != NULL)
 		line = pcb_line_alloc(ly);
@@ -380,7 +381,8 @@
 		line->ID = 0;
 	else
 		parse_id(&line->ID, obj, 5);
-	parse_flags(&line->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_LINE, &line->intconn);
+	parse_flags(&line->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_LINE, &intconn);
+	pcb_attrib_compat_set_intconn(&line->Attributes, intconn);
 	parse_attributes(&line->Attributes, lht_dom_hash_get(obj, "attributes"));
 
 	parse_coord(&line->Thickness, lht_dom_hash_get(obj, "thickness"));
@@ -411,7 +413,7 @@
 	pcb_rat_t rat, *new_rat;
 
 	parse_id(&rat.ID, obj, 4);
-	parse_flags(&rat.Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_LINE, &rat.intconn);
+	parse_flags(&rat.Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_LINE, NULL);
 	parse_attributes(&rat.Attributes, lht_dom_hash_get(obj, "attributes"));
 
 	parse_coord(&rat.Point1.X, lht_dom_hash_get(obj, "x1"));
@@ -436,6 +438,7 @@
 static int parse_arc(pcb_layer_t *ly, pcb_element_t *el, lht_node_t *obj, pcb_coord_t dx, pcb_coord_t dy)
 {
 	pcb_arc_t *arc;
+	unsigned char intconn = 0;
 
 	if (ly != NULL)
 		arc = pcb_arc_alloc(ly);
@@ -445,7 +448,8 @@
 		return -1;
 
 	parse_id(&arc->ID, obj, 4);
-	parse_flags(&arc->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_ARC, &arc->intconn);
+	parse_flags(&arc->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_ARC, &intconn);
+	pcb_attrib_compat_set_intconn(&arc->Attributes, intconn);
 	parse_attributes(&arc->Attributes, lht_dom_hash_get(obj, "attributes"));
 
 	parse_coord(&arc->Thickness, lht_dom_hash_get(obj, "thickness"));
@@ -472,9 +476,11 @@
 	pcb_polygon_t *poly = pcb_poly_alloc(ly);
 	lht_node_t *geo;
 	pcb_cardinal_t n = 0, c;
+	unsigned char intconn = 0;
 
 	parse_id(&poly->ID, obj, 8);
-	parse_flags(&poly->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_POLYGON, &poly->intconn);
+	parse_flags(&poly->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_POLYGON, &intconn);
+	pcb_attrib_compat_set_intconn(&poly->Attributes, intconn);
 	parse_attributes(&poly->Attributes, lht_dom_hash_get(obj, "attributes"));
 
 	geo = lht_dom_hash_get(obj, "geometry");
@@ -524,6 +530,7 @@
 	pcb_text_t *text;
 	lht_node_t *role;
 	int tmp;
+	unsigned char intconn = 0;
 
 	role = lht_dom_hash_get(obj, "role");
 
@@ -544,7 +551,8 @@
 
 	parse_id(&text->ID, obj, 5);
 
-	parse_flags(&text->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_TEXT, &text->intconn);
+	parse_flags(&text->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_TEXT, &intconn);
+	pcb_attrib_compat_set_intconn(&text->Attributes, intconn);
 	parse_attributes(&text->Attributes, lht_dom_hash_get(obj, "attributes"));
 	parse_int(&text->Scale, lht_dom_hash_get(obj, "scale"));
 	parse_int(&tmp, lht_dom_hash_get(obj, "fid"));
@@ -673,6 +681,7 @@
 static int parse_pin(pcb_data_t *dt, pcb_element_t *el, lht_node_t *obj, pcb_coord_t dx, pcb_coord_t dy)
 {
 	pcb_pin_t *via;
+	unsigned char intconn = 0;
 
 	if (dt != NULL)
 		via = pcb_via_alloc(dt);
@@ -682,7 +691,8 @@
 		return -1;
 
 	parse_id(&via->ID, obj, 4);
-	parse_flags(&via->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_VIA, &via->intconn);
+	parse_flags(&via->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_VIA, &intconn);
+	pcb_attrib_compat_set_intconn(&via->Attributes, intconn);
 	parse_attributes(&via->Attributes, lht_dom_hash_get(obj, "attributes"));
 
 	parse_coord(&via->Thickness, lht_dom_hash_get(obj, "thickness"));
@@ -708,11 +718,13 @@
 static int parse_pad(pcb_element_t *el, lht_node_t *obj, pcb_coord_t dx, pcb_coord_t dy)
 {
 	pcb_pad_t *pad;
+	unsigned char intconn = 0;
 
 	pad = pcb_pad_alloc(el);
 
 	parse_id(&pad->ID, obj, 4);
-	parse_flags(&pad->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_PAD, &pad->intconn);
+	parse_flags(&pad->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_PAD, &intconn);
+	pcb_attrib_compat_set_intconn(&pad->Attributes, intconn);
 	parse_attributes(&pad->Attributes, lht_dom_hash_get(obj, "attributes"));
 
 	parse_coord(&pad->Thickness, lht_dom_hash_get(obj, "thickness"));
@@ -787,9 +799,11 @@
 static int parse_subc(pcb_board_t *pcb, pcb_data_t *dt, lht_node_t *obj)
 {
 	pcb_subc_t *sc = pcb_subc_alloc(dt);
+	unsigned char intconn = 0;
 
 	parse_id(&sc->ID, obj, 5);
-	parse_flags(&sc->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_ELEMENT, &sc->intconn);
+	parse_flags(&sc->Flags, lht_dom_hash_get(obj, "flags"), PCB_TYPE_ELEMENT, &intconn);
+	pcb_attrib_compat_set_intconn(&sc->Attributes, intconn);
 	parse_attributes(&sc->Attributes, lht_dom_hash_get(obj, "attributes"));
 	parse_minuid(sc->uid, lht_dom_hash_get(obj, "uid"));
 
Index: trunk/src_plugins/io_lihata/write.c
===================================================================
--- trunk/src_plugins/io_lihata/write.c	(revision 11019)
+++ trunk/src_plugins/io_lihata/write.c	(revision 11020)
@@ -160,8 +160,11 @@
 		return dummy_node("attributes");
 	ln = lht_dom_node_alloc(LHT_HASH, "attributes");
 
-	for (n = 0; n < lst->Number; n++)
+	for (n = 0; n < lst->Number; n++) {
+		if ((wrver < 3) && (strcmp(lst->List[n].name, "intconn") == 0))
+			continue; /* do not write intconn as attribute for v1 and v2, we used a flag for those */
 		lht_dom_hash_put(ln, build_text(lst->List[n].name, lst->List[n].value));
+	}
 
 	return ln;
 }
Index: trunk/src_plugins/io_pcb/parse_y.c
===================================================================
--- trunk/src_plugins/io_pcb/parse_y.c	(revision 11019)
+++ trunk/src_plugins/io_pcb/parse_y.c	(revision 11020)
@@ -2662,7 +2662,7 @@
 				pcb_pin_t *pin = pcb_element_pin_new(yyElement, NU ((yyvsp[-9].measure)) + yyElement->MarkX,
 					NU ((yyvsp[-8].measure)) + yyElement->MarkY, NU ((yyvsp[-7].measure)), NU ((yyvsp[-6].measure)), NU ((yyvsp[-5].measure)), NU ((yyvsp[-4].measure)), (yyvsp[-3].string),
 					(yyvsp[-2].string), (yyvsp[-1].flagtype));
-				pin->intconn = yy_intconn;
+				pcb_attrib_compat_set_intconn(&pin->Attributes, yy_intconn);
 				free ((yyvsp[-3].string));
 				free ((yyvsp[-2].string));
 			}
@@ -2733,7 +2733,7 @@
 					NU ((yyvsp[-8].measure)) + yyElement->MarkX,
 					NU ((yyvsp[-7].measure)) + yyElement->MarkY, NU ((yyvsp[-6].measure)), NU ((yyvsp[-5].measure)), NU ((yyvsp[-4].measure)),
 					(yyvsp[-3].string), (yyvsp[-2].string), (yyvsp[-1].flagtype));
-				pad->intconn = yy_intconn;
+				pcb_attrib_compat_set_intconn(&pad->Attributes, yy_intconn);
 				free ((yyvsp[-3].string));
 				free ((yyvsp[-2].string));
 			}
Index: trunk/src_plugins/io_pcb/parse_y.y
===================================================================
--- trunk/src_plugins/io_pcb/parse_y.y	(revision 11019)
+++ trunk/src_plugins/io_pcb/parse_y.y	(revision 11020)
@@ -1581,7 +1581,7 @@
 				pcb_pin_t *pin = pcb_element_pin_new(yyElement, NU ($3) + yyElement->MarkX,
 					NU ($4) + yyElement->MarkY, NU ($5), NU ($6), NU ($7), NU ($8), $9,
 					$10, $11);
-				pin->intconn = yy_intconn;
+				pcb_attrib_compat_set_intconn(&pin->Attributes, yy_intconn);
 				free ($9);
 				free ($10);
 			}
@@ -1689,7 +1689,7 @@
 					NU ($5) + yyElement->MarkX,
 					NU ($6) + yyElement->MarkY, NU ($7), NU ($8), NU ($9),
 					$10, $11, $12);
-				pad->intconn = yy_intconn;
+				pcb_attrib_compat_set_intconn(&pad->Attributes, yy_intconn);
 				free ($10);
 				free ($11);
 			}