--- a/mercurial/thirdparty/xdiff/xdiffi.h	Sun Mar 04 00:17:49 2018 -0800
+++ b/mercurial/thirdparty/xdiff/xdiffi.h	Tue Mar 06 18:41:08 2018 -0800
@@ -54,7 +54,5 @@
 int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, long flags);
 int xdl_build_script(xdfenv_t *xe, xdchange_t **xscr);
 void xdl_free_script(xdchange_t *xscr);
-int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
-		  xdemitconf_t const *xecfg);
 
 #endif /* #if !defined(XDIFFI_H) */