patch 8.1.1342: using freed memory when joining line with text property commit https://github.com/vim/vim/commit/787880a86dbcb79cdf6e8241b1d99ac4a7acbc09 Author: Bram Moolenaar <Bram@vim.org> Date: Fri May 17 20:17:40 2019 +0200 patch 8.1.1342: using freed memory when joining line with text property Problem: Using freed memory when joining line with text property. Solution: Use already computed length.

" 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=