patch 8.1.0647: MS-Windows: balloon_show() does not handle wide characters commit https://github.com/vim/vim/commit/d385b5d329a6a98539fa21cfb60ed632cd03d544 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 27 22:43:08 2018 +0100 patch 8.1.0647: MS-Windows: balloon_show() does not handle wide characters Problem: MS-Windows: balloon_show() does not handle wide characters. Solution: Use CreateWindowExW(). (Yasuhiro Matsumoto, closes https://github.com/vim/vim/issues/3708)

README_src.txt for version 8.1 of Vim: Vi IMproved.

The source archive contains the files needed to compile Vim on Unix systems.
It is packed for Unix systems (NL line separator).

For more information, see the README.txt file that comes with the runtime
archive (vim-8.1-rt.tar.gz).  To be able to run Vim you MUST get the runtime
archive too!