patch 8.1.1700: listener callback called for the wrong buffer commit https://github.com/vim/vim/commit/250e3112c6dc4c4ceded308d5b94392ec02bc03f Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 15 23:02:14 2019 +0200 patch 8.1.1700: listener callback called for the wrong buffer Problem: Listener callback called for the wrong buffer. Solution: Invoke listeners before calling ml_append_int().

" Vim indent file
" Language:	Mail
" Maintainer:	Bram Moolenaar
" Last Change:	2009 Jun 03

if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

" What works best is auto-indenting, disable other indenting.
" For formatting see the ftplugin.
setlocal autoindent nosmartindent nocindent indentexpr=