patch 8.1.2210: using negative offset for popup_create() does not work Commit: https://github.com/vim/vim/commit/b754b5bf6d9ac1f3654552973aa6f9c11239af3d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 24 19:25:00 2019 +0200 patch 8.1.2210: using negative offset for popup_create() does not work Problem: Using negative offset for popup_create() does not work. Solution: Use -1 instead of zero. (closes https://github.com/vim/vim/issues/5111)

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!