patch 8.2.4798: t_8u option was reset even when set by the user Commit: https://github.com/vim/vim/commit/dbec26d7893dca4ff38fa4b96ac91203d30ccae5 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 20 19:08:50 2022 +0100 patch 8.2.4798: t_8u option was reset even when set by the user Problem: t_8u option was reset even when set by the user. Solution: Only reset t_8u when using the default value. (closes https://github.com/vim/vim/issues/10239)

" 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