patch 8.2.2658: :for cannot loop over a string Commit: https://github.com/vim/vim/commit/74e54fcb447e5db32f9c2df34c0554bbecdccca2 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 26 20:41:29 2021 +0100 patch 8.2.2658: :for cannot loop over a string Problem: :for cannot loop over a string. Solution: Accept a string argument and iterate over its characters.