patch 8.2.0737: when shell doesn't support CTRL-Z Vim still handles it Commit: https://github.com/vim/vim/commit/5c3128efe6bc48cbd88da23973db389ad3b8ab63 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 11 20:54:42 2020 +0200 patch 8.2.0737: when shell doesn't support CTRL-Z Vim still handles it Problem: When shell doesn't support CTRL-Z Vim still handles it. Solution: Ignore the STOP signal if it was ignored on startup. (Kurtis Rader, closes #5990, closes #6058)

" Vim filetype plugin file
" Language:             Sieve filtering language input file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl com< cms< fo<"

setlocal comments=s1:/*,mb:*,ex:*/,:# commentstring=#\ %s
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save