commit https://github.com/vim/vim/commit/2455c4ede8d4ff6f0754977b548708eec08869eb Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 15 18:29:39 2015 +0200 patch 7.4.870 Problem: May get into an invalid state when using getchar() in an expression mapping. Solution: Anticipate mod_mask to change. (idea by Yukihiro Nakadaira)

--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    870,
+/**/
     869,
 /**/
     868,