patch 8.2.4912: using execute() to define a lambda doesn't work Commit: https://github.com/vim/vim/commit/a7583c42cd6b64fd276a5d7bb0db5ce7bfafa730 Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 7 21:14:05 2022 +0100 patch 8.2.4912: using execute() to define a lambda doesn't work Problem: Using execute() to define a lambda doesn't work. (Ernie Rael) Solution: Put the getline function in evalarg. (closes https://github.com/vim/vim/issues/10375)

" Vim filetype plugin file
" Language:             m4
" 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=:#,:dnl commentstring=dnl\ %s
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save