patch 8.2.2878: Vim9: for loop list unpack only allows for one "_" Commit: https://github.com/vim/vim/commit/b777da9be8eb421982e567702db3195475383dec Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 22 21:40:39 2021 +0200 patch 8.2.2878: Vim9: for loop list unpack only allows for one "_" Problem: Vim9: for loop list unpack only allows for one "_". Solution: Drop the value when the variable is "_". (closes https://github.com/vim/vim/issues/8232)