commit https://github.com/vim/vim/commit/cb0700844c1274fe8bc0ceaffaee0ad21c406f30 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 2 22:14:51 2016 +0200 patch 7.4.1697 Problem: Display problems when the 'ambiwidth' and 'emoji' options are not set properly or the terminal doesn't behave as expected. Solution: After drawing an ambiguous width character always position the cursor.

the first targets to make vim are: scratch config myself
srcdir = .
VIMNAME = vim
EXNAME = ex
VIEWNAME = view