Index: trunk/src/plug_io.c
===================================================================
--- trunk/src/plug_io.c	(revision 2643)
+++ trunk/src/plug_io.c	(revision 2644)
@@ -145,7 +145,7 @@
 static int find_prio_cmp(const void *p1, const void *p2)
 {
 	const find_t *f1 = p1, *f2 = p2;
-	return f1->prio > f2->prio;
+	return f1->prio < f2->prio;
 }
 
 /* Find all plugins that can handle typ/wr and build an ordered list in available[], 
@@ -155,13 +155,16 @@
 {
 	int len = 0;
 
-
 #define cb_append(pl, pr) \
 	do { \
 		if (pr > 0) { \
 			assert(len < avail_len ); \
 			available[len].plug = pl; \
-			available[len++].prio = pr; \
+			if (fmt == NULL) \
+				available[len].prio = pl->save_preference_prio; \
+			else \
+				available[len].prio = pr; \
+			len++; \
 		} \
 	} while(0)
 
Index: trunk/src/plug_io.h
===================================================================
--- trunk/src/plug_io.h	(revision 2643)
+++ trunk/src/plug_io.h	(revision 2644)
@@ -47,7 +47,11 @@
 	   reading (if wr == 0) for I/O type typ. Return 0 if not supported or an
 	   integer priority if supported. The higher the prio is the more likely
 	   the plugin gets the next operation on the file. Base prio should be
-	   100 for native formats. */
+	   100 for native formats.
+	   NOTE: if any format can be chosen for output, the user will have to pick
+	         one; for ordering plugins in that case, the format-neutral
+	         save_preference_prio field is used.
+	   */
 	int (*fmt_support_prio)(plug_io_t *ctx, plug_iot_t typ, int wr, const char *fmt);
 
 	/* Attempt to load a pcb design from Filename to Ptr.
@@ -74,6 +78,8 @@
 
 	const char *default_fmt;
 	const char *description;
+
+	int save_preference_prio; /* all available save plugins are sorted by this before presenting them to the user to choose one */
 };
 extern plug_io_t *plug_io_chain;
 
Index: trunk/src_plugins/io_kicad_legacy/io_kicad_legacy.c
===================================================================
--- trunk/src_plugins/io_kicad_legacy/io_kicad_legacy.c	(revision 2643)
+++ trunk/src_plugins/io_kicad_legacy/io_kicad_legacy.c	(revision 2644)
@@ -59,6 +59,7 @@
 	io_kicad_legacy.write_pcb = io_kicad_legacy_write_pcb;
 	io_kicad_legacy.default_fmt = "kicadl";
 	io_kicad_legacy.description = "Kicad, legacy format";
+	io_kicad_legacy.save_preference_prio = 90;
 
 	HOOK_REGISTER(plug_io_t, plug_io_chain, &io_kicad_legacy);
 
Index: trunk/src_plugins/io_pcb/io_pcb.c
===================================================================
--- trunk/src_plugins/io_pcb/io_pcb.c	(revision 2643)
+++ trunk/src_plugins/io_pcb/io_pcb.c	(revision 2644)
@@ -60,6 +60,7 @@
 	io_pcb.write_pcb = io_pcb_WritePCB;
 	io_pcb.default_fmt = "pcb";
 	io_pcb.description = "geda/pcb";
+	io_pcb.save_preference_prio = 100;
 
 	HOOK_REGISTER(plug_io_t, plug_io_chain, &io_pcb);