Index: obj_common.h
===================================================================
--- obj_common.h	(revision 24456)
+++ obj_common.h	(revision 24457)
@@ -222,6 +222,9 @@
 /* Returns the first invalid character of an ID (terminal, refdes) or NULL */
 const char *pcb_obj_id_invalid(const char *id);
 
+/* Fix an ID in place (replace anything invalid with '_'); returns id */
+char *pcb_obj_id_fix(char *id);
+
 #define pcb_obj_id_reg(data, obj) \
 	do { \
 		pcb_any_obj_t *__obj__ = (pcb_any_obj_t *)(obj); \