patch 8.1.0140: recording into a register has focus events commit https://github.com/vim/vim/commit/972bfddc6b3f52ae0865ad8c0bf6089bc8a9883a Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 3 14:48:15 2018 +0200 patch 8.1.0140: recording into a register has focus events Problem: Recording into a register has focus events. (Michael Naumann) Solution: Don't record K_FOCUSGAINED and K_FOCUSLOST. (closes https://github.com/vim/vim/issues/3143)

" Vim filetype plugin file
" Language:	Diff
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2005 Jul 27

" 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