patch 8.2.2941: Vim9: using does not handle a list of strings Commit: https://github.com/vim/vim/commit/b288ba9f1dd29ba34f236e3099f779d5ab130227 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 5 17:10:55 2021 +0200 patch 8.2.2941: Vim9: using does not handle a list of strings Problem: Vim9: using does not handle a list of strings. Solution: Convert a list to a string and escape each item. (closes https://github.com/vim/vim/issues/8310)