patch 8.1.0494: functions do not check for a window ID in other tabs commit https://github.com/vim/vim/commit/babfcf54ae9bf9570eddf4958a553635cd589e21 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 25 13:11:16 2018 +0200 patch 8.1.0494: functions do not check for a window ID in other tabs Problem: Functions do not check for a window ID in other tabs. Solution: Also find the window ID in other than the current tab.

" 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=