patch 8.2.4304: Vim9: slice() makes a copy but doesn't change the type Commit: https://github.com/vim/vim/commit/00eb99528edc9ee1d14241d6914168fc33331ded Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 5 19:23:18 2022 +0000 patch 8.2.4304: Vim9: slice() makes a copy but doesn't change the type Problem: Vim9: slice() makes a copy but doesn't change the type. Solution: Change the declared type like copy(). (closes https://github.com/vim/vim/issues/9696)