patch 8.2.1374: Vim9: error for assigning empty list to script variable Commit: https://github.com/vim/vim/commit/a71e2633207557c31432c954194078cb6062d04f Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 5 15:11:03 2020 +0200 patch 8.2.1374: Vim9: error for assigning empty list to script variable Problem: Vim9: error for assigning empty list to script variable. Solution: Use t_unknown for empty list member. (closes https://github.com/vim/vim/issues/6595)

/^CFLAGS[[:blank:]]*=/s/$/ -Wall -Wextra -Wshadow -Werror/
/^PERL_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=unused-function/