Index: plug_io.h
===================================================================
--- plug_io.h	(revision 31259)
+++ plug_io.h	(revision 31260)
@@ -137,6 +137,8 @@
 	const char *mime_type;
 
 	int save_preference_prio; /* all available save plugins are sorted by this before presenting them to the user to choose one */
+
+	unsigned multi_footprint:1; /* if a single footprint file may contain multiple footprints (footprint mapping needs to be called for direct load) */
 };
 extern pcb_plug_io_t *pcb_plug_io_chain;