patch 8.2.3897: Vim9: second argument of map() and filter() not checked Commit: https://github.com/vim/vim/commit/1802405d71da20dff510690bf14f6da085836125 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 25 21:43:28 2021 +0000 patch 8.2.3897: Vim9: second argument of map() and filter() not checked Problem: Vim9: the second argument of map() and filter() is not checked at compile time. Solution: Add more specific type check for the second argument.

--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3897,
+/**/
     3896,
 /**/
     3895,