patch 8.0.0280: problem setting multi-byte environment var on MS-Windows commit https://github.com/vim/vim/commit/7c23d1d9d9cc1d3d19fe35708da7c5d5b3556e05 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 1 13:14:16 2017 +0100 patch 8.0.0280: problem setting multi-byte environment var on MS-Windows Problem: On MS-Windows setting an environment variable with multi-byte strings does not work well. Solution: Use wputenv when possible. (Taro Muraoka, Ken Takata)

--- a/src/vim.h
+++ b/src/vim.h
@@ -594,6 +594,7 @@ extern int (*dyn_libintl_putenv)(const c
 #  endif
 #  define textdomain(domain) (*dyn_libintl_textdomain)(domain)
 #  define libintl_putenv(envstring) (*dyn_libintl_putenv)(envstring)
+#  define libintl_wputenv(envstring) (*dyn_libintl_wputenv)(envstring)
 # else
 #  include <libintl.h>
 #  define _(x) gettext((char *)(x))