1--- hash.c.orig 2020-07-04 10:21:00.491559357 +0200 2+++ hash.c 2020-07-04 10:22:00.536240305 +0200 3@@ -390,6 +390,8 @@ 4 5 /* Allocation and clean-up. */ 6 7+#if 0 8+ 9 /* Return a hash index for a NUL-terminated STRING between 0 and N_BUCKETS-1. 10 This is a convenience routine for constructing other hashing functions. */ 11 12@@ -437,6 +439,8 @@ 13 14 #endif /* not USE_DIFF_HASH */ 15 16+#endif 17+ 18 /* Return true if CANDIDATE is a prime number. CANDIDATE should be an odd 19 number at least equal to 11. */ 20 21