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)