patch 8.2.1012: Vim9: cannot declare single character script variables Commit: https://github.com/vim/vim/commit/3b74b6b4bb9a022f8c6f6e544360d628e10df1ab Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 19 19:01:43 2020 +0200 patch 8.2.1012: Vim9: cannot declare single character script variables Problem: Vim9: cannot declare single character script variables. Solution: Don't see "b:", "s:", etc. as namespace. Fix item size of sn_var_vals.