diff -r b5bb0f99064d -r 90f8fe72446c mercurial/thirdparty/xdiff/xutils.h
--- a/mercurial/thirdparty/xdiff/xutils.h	Sun Mar 04 00:17:49 2018 -0800
+++ b/mercurial/thirdparty/xdiff/xutils.h	Tue Mar 06 18:41:08 2018 -0800
@@ -26,8 +26,6 @@
 
 
 long xdl_bogosqrt(long n);
-int xdl_emit_diffrec(char const *rec, long size, char const *pre, long psize,
-		     xdemitcb_t *ecb);
 int xdl_cha_init(chastore_t *cha, long isize, long icount);
 void xdl_cha_free(chastore_t *cha);
 void *xdl_cha_alloc(chastore_t *cha);
@@ -35,9 +33,6 @@
 int xdl_recmatch(const char *l1, long s1, const char *l2, long s2, long flags);
 unsigned long xdl_hash_record(char const **data, char const *top, long flags);
 unsigned int xdl_hashbits(unsigned int size);
-int xdl_num_out(char *out, long val);
-int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2,
-		      const char *func, long funclen, xdemitcb_t *ecb);