patch 8.2.4734: getcharpos() may change a mark position Commit: https://github.com/vim/vim/commit/3caf1cce2b85a8f24195d057f0ad63082543e99e Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 11 13:05:16 2022 +0100 patch 8.2.4734: getcharpos() may change a mark position Problem: getcharpos() may change a mark position. Solution: Copy the mark position. (closes https://github.com/vim/vim/issues/10148)