patch 8.2.2397: Vim9: "%%" not seen as alternate file name for ":bdel" Commit: https://github.com/vim/vim/commit/dfbc5fd879d92c2a79ced1e1d16dc89f4d55772d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 23 15:15:01 2021 +0100 patch 8.2.2397: Vim9: "%%" not seen as alternate file name for ":bdel" Problem: Vim9: "%%" not seen as alternate file name for commands with a buffer name argument. Solution: Recognize "%%" like "#". (closes #7732)

" Vim filetype plugin file
" Language:	Diff
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2020 Jul 18

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let b:undo_ftplugin = "setl modeline<"

" Don't use modelines in a diff, they apply to the diffed file
setlocal nomodeline

" If there are comments they start with #
let &commentstring = "# %s"