patch 8.2.3743: ":sign" can add a highlight group without a name Commit: https://github.com/vim/vim/commit/5e18ccc60bdddc4aa39ab039f1a7c918f29e67ce Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 5 13:02:50 2021 +0000 patch 8.2.3743: ":sign" can add a highlight group without a name Problem: ":sign" can add a highlight group without a name. Solution: Give an error if the group name is missing. (closes https://github.com/vim/vim/issues/9280)

@echo off
rem To be used on MS-Windows for Msys2 with the 64 bit MinGW compiler.
rem Adjust the "c:\msys64" part to match your installation.
@echo on

set PATH=c:\msys64\mingw64\bin;c:\msys64\usr\bin;%PATH%