/usr/share/vim/vim74/ftplugin/muttrc.vim is in vim-runtime 2:7.4.052-1ubuntu3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | " Vim filetype plugin file
" Language: mutt RC File
" 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
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