Index: propdlg.c
===================================================================
--- propdlg.c	(revision 26074)
+++ propdlg.c	(revision 26075)
@@ -207,9 +207,20 @@
 static void prop_valedit_update(propdlg_t *ctx, pcb_props_t *p, pcb_propval_t *pv)
 {
 	pcb_hid_attr_val_t hv;
-	memset(&hv, 0, sizeof(hv));
 
+	/* do not update the value if widget is numeric and the user wants a relative value */
 	switch(p->type) {
+		case PCB_PROPT_COORD:
+		case PCB_PROPT_ANGLE:
+		case PCB_PROPT_INT:
+		case PCB_PROPT_BOOL:
+			if (!ctx->dlg[ctx->wabs[p->type]].default_val.int_value)
+				return;
+	}
+
+
+	memset(&hv, 0, sizeof(hv));
+	switch(p->type) {
 		case PCB_PROPT_STRING: hv.str_value = pcb_strdup(pv->string == NULL ? "" : pv->string); break;
 		case PCB_PROPT_COORD:  hv.coord_value = pv->coord; break;
 		case PCB_PROPT_ANGLE:  hv.real_value = pv->angle; break;