Index: import_sch.c
===================================================================
--- import_sch.c	(revision 34340)
+++ import_sch.c	(revision 34341)
@@ -152,14 +152,18 @@
 	if (!nonempty)
 		return do_dialog();
 
+	/* build the argument list in a[] */
 	a = malloc((len+1) * sizeof(char *));
 	for(n = 0, ci = rnd_conflist_first((rnd_conflist_t *)&conf_import_sch.plugins.import_sch.args); ci != NULL; ci = rnd_conflist_next(ci), n++)
 		a[n] = ci->val.string[0];
+
+	/* perform a reimport */
 	rnd_message(RND_MSG_DEBUG, "import_sch2: reimport with %s -> %p\n", imp_name, p);
 	pcb_undo_freeze_serial();
 	res = p->import(p, IMPORT_ASPECT_NETLIST, a, len);
 	pcb_undo_unfreeze_serial();
 	pcb_undo_inc_serial();
+
 	free(a);
 	return res;
 }