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