patch 8.1.1072: extending sign and foldcolumn below the text is confusing commit https://github.com/vim/vim/commit/8ee4c01b8c79a29065c1af05e5d9c0721069765f Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 29 18:08:18 2019 +0100 patch 8.1.1072: extending sign and foldcolumn below the text is confusing Problem: Extending sign and foldcolumn below the text is confusing. Solution: Let the sign and foldcolumn stop at the last text line, just like the line number column. Also stop the command line window leader. (Christian Brabandt, closes #3964)

" 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