Index: trunk/src/plugins/hlibrary_fs/hlibrary_fs.c
===================================================================
--- trunk/src/plugins/hlibrary_fs/hlibrary_fs.c	(revision 10232)
+++ trunk/src/plugins/hlibrary_fs/hlibrary_fs.c	(revision 10233)
@@ -54,8 +54,12 @@
 
 csch_lib_type_t hlibrary_fs_file_type(rnd_design_t *hl, const char *fn)
 {
-	return CSCH_SLIB_STATIC;
-	TODO("test-parse and return this if not a sheet:");
+	int res;
+
+	res = csch_test_parse_fn(hl, fn, CSCH_IOTYP_SHEET);
+	if (res == 0)
+		return CSCH_SLIB_STATIC;
+
 	return CSCH_SLIB_invalid;
 }