Index: trunk/src/board.c
===================================================================
--- trunk/src/board.c	(revision 5862)
+++ trunk/src/board.c	(revision 5863)
@@ -120,7 +120,7 @@
 
 	dpcb = -1;
 	pcb_io_err_inhibit_inc();
-	conf_list_foreach_path_first(dpcb, &conf_core.rc.default_pcb_file, pcb_load_pcb(__path__, NULL, pcb_false, 1));
+	conf_list_foreach_path_first(dpcb, &conf_core.rc.default_pcb_file, pcb_load_pcb(__path__, NULL, pcb_false, 1 | 0x10));
 	pcb_io_err_inhibit_dec();
 
 	if (dpcb == 0) {
Index: trunk/src/buffer.c
===================================================================
--- trunk/src/buffer.c	(revision 5862)
+++ trunk/src/buffer.c	(revision 5863)
@@ -204,7 +204,7 @@
 	pcb_board_t *newPCB = pcb_board_new();
 
 	/* new data isn't added to the undo list */
-	if (!pcb_parse_pcb(newPCB, Filename, fmt, CFR_invalid)) {
+	if (!pcb_parse_pcb(newPCB, Filename, fmt, CFR_invalid, 0)) {
 		/* clear data area and replace pointer */
 		pcb_buffer_clear(Buffer);
 		free(Buffer->Data);
Index: trunk/src/plug_io.c
===================================================================
--- trunk/src/plug_io.c	(revision 5862)
+++ trunk/src/plug_io.c	(revision 5863)
@@ -103,7 +103,7 @@
 	}
 }
 
-int pcb_parse_pcb(pcb_board_t *Ptr, const char *Filename, const char *fmt, int load_settings)
+int pcb_parse_pcb(pcb_board_t *Ptr, const char *Filename, const char *fmt, int load_settings, int ignore_missing)
 {
 	int res = -1, len, n;
 	pcb_find_io_t available[PCB_IO_MAX_FORMATS];
@@ -113,7 +113,8 @@
 
 	ft = fopen(Filename, "r");
 	if (ft == NULL) {
-		pcb_message(PCB_MSG_ERROR, "Error: can't open %s for reading (format is %s)\n", Filename, fmt);
+		if (!ignore_missing)
+			pcb_message(PCB_MSG_ERROR, "Error: can't open %s for reading (format is %s)\n", Filename, fmt);
 		return -1;
 	}
 
@@ -348,7 +349,7 @@
 	/* mark the default font invalid to know if the file has one */
 	newPCB->Font.Valid = pcb_false;
 
-	switch(how) {
+	switch(how & 0x0F) {
 		case 0: settings_dest = CFR_DESIGN; break;
 		case 1: settings_dest = CFR_DEFAULTPCB; break;
 		case 2: settings_dest = CFR_invalid; break;
@@ -356,7 +357,7 @@
 	}
 
 	/* new data isn't added to the undo list */
-	if (!pcb_parse_pcb(PCB, new_filename, fmt, settings_dest)) {
+	if (!pcb_parse_pcb(PCB, new_filename, fmt, settings_dest, how & 0x10)) {
 		pcb_board_remove(oldPCB);
 
 		pcb_board_new_postproc(PCB, 0);
@@ -624,7 +625,7 @@
  */
 int pcb_revert_pcb(void)
 {
-	return real_load_pcb(PCB->Filename, NULL, pcb_true, pcb_true, pcb_true);
+	return real_load_pcb(PCB->Filename, NULL, pcb_true, pcb_true, 1);
 }
 
 /* ---------------------------------------------------------------------------
Index: trunk/src/plug_io.h
===================================================================
--- trunk/src/plug_io.h	(revision 5862)
+++ trunk/src/plug_io.h	(revision 5863)
@@ -102,7 +102,7 @@
 
 
 /********** hook wrappers **********/
-int pcb_parse_pcb(pcb_board_t *Ptr, const char *Filename, const char *fmt, int load_settings);
+int pcb_parse_pcb(pcb_board_t *Ptr, const char *Filename, const char *fmt, int load_settings, int ignore_missing);
 int pcb_parse_element(pcb_data_t *Ptr, const char *name);
 int pcb_parse_font(pcb_font_t *Ptr, char *Filename);
 int pcb_write_buffer(FILE *f, pcb_buffer_t *buff, const char *fmt);
@@ -112,7 +112,7 @@
 FILE *pcb_check_and_open_file(const char *, pcb_bool, pcb_bool, pcb_bool *, pcb_bool *);
 FILE *pcb_open_connection_file(void);
 int pcb_save_pcb(const char *, const char *fmt);
-int pcb_load_pcb(const char *name, const char *fmt, pcb_bool, int how); /* how: 0=normal pcb; 1=default.pcb, 2=misc (do not load settings) */
+int pcb_load_pcb(const char *name, const char *fmt, pcb_bool, int how); /* how: 0=normal pcb; 1=default.pcb, 2=misc (do not load settings) | 0x10: ignore missing file */
 void pcb_enable_autosave(void);
 void pcb_backup(void);
 void pcb_save_in_tmp(void);