patch 8.2.4603: sourcing buffer lines is too complicated Commit: https://github.com/vim/vim/commit/85b43c6cb7d56919e245622f4e42db6d8bee4194 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Mon Mar 21 19:45:17 2022 +0000 patch 8.2.4603: sourcing buffer lines is too complicated Problem: Sourcing buffer lines is too complicated. Solution: Simplify the code. Make it possible to source Vim9 script lines. (Yegappan Lakshmanan, closes #9974)

" Vim filetype plugin file
" Language:             calendar(1) input file
" Previous 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< inc< fo<"

setlocal comments=s1:/*,mb:*,ex:*/ commentstring& include&
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save