patch 8.1.1142: no test for dragging the window separators with the mouse commit https://github.com/vim/vim/commit/3fb01a53c685d8d7e7bd83c33500de80aed0d7c8 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 9 21:52:02 2019 +0200 patch 8.1.1142: no test for dragging the window separators with the mouse Problem: No test for dragging the window separators with the mouse. Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/4226)

" Vim filetype plugin file
" Language:             mutt RC File
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2006-04-19

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< inc< fo<"

setlocal comments=:# commentstring=#\ %s
setlocal formatoptions-=t formatoptions+=croql

let &l:include = '^\s*source\>'

let &cpo = s:cpo_save
unlet s:cpo_save