commit https://github.com/vim/vim/commit/5f1032d2a55b9417a0a6fa225e35089c98a5a419 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jun 7 22:16:36 2016 +0200 patch 7.4.1906 Problem: Collapsing channel buffers and searching for NL does not work properly. (Xavier de Gary, Ramel Eshed) Solution: Do not assume the buffer contains a NUL or not. Change NUL bytes to NL to avoid the string is truncated.

" Vim filetype plugin file
" Language:         setserial(8) configuration file
" 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=:# commentstring=#\ %s formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save