patch 8.1.2186: error for bad regexp even though regexp is not used Commit: https://github.com/vim/vim/commit/7eed964b4196b0bfc6cf09dc449f0b9650b2d31e Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 19 20:57:28 2019 +0200 patch 8.1.2186: error for bad regexp even though regexp is not used Problem: Error for bad regexp even though regexp is not used, when writing a file. (Arseny Nasokin) Solution: Ignore regexp errors. (closes #5059)

" Vim filetype plugin file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2007-12-04

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