patch 9.0.1643: filetype detection fails if file name ends in many '~' Commit: https://github.com/vim/vim/commit/c12e4eecbb26cedca96e0810d3501043356eebaa Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 22 12:18:57 2023 +0100 patch 9.0.1643: filetype detection fails if file name ends in many '~' Problem: Filetype detection fails if file name ends in many '~'. Solution: Strip multiple '~' at the same time. (closes https://github.com/vim/vim/issues/12553)