patch 9.0.1630: "make clean" at the toplevel fails Commit: https://github.com/vim/vim/commit/8d687a7424b33b7ad7f6778b0c5d092a44f4bc3a Author: Ben Jackson <puremourning@gmail.com> Date: Wed Jun 14 15:10:02 2023 +0100 patch 9.0.1630: "make clean" at the toplevel fails Problem: "make clean" at the toplevel fails. Solution: Clean the indent and syntax directories in a sub-shell. (Ben Jackson, closes #12536, closes #12526)

" Vim filetype plugin file
" Language:             pinfo(1) configuration 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< fo<"

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

let &cpo = s:cpo_save
unlet s:cpo_save