patch 8.1.1371: cannot recover from a swap file commit https://github.com/vim/vim/commit/99499b1c05f85f83876b828eea3f6e14f0f407b4 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 23 21:35:48 2019 +0200 patch 8.1.1371: cannot recover from a swap file Problem: Cannot recover from a swap file. Solution: Do not expand environment variables in the swap file name. Do not check the extension when we already know a file is a swap file. (Ken Takata, closes 4415, closes #4369)

@echo off
rem batch file to start Vim with less.vim.
rem Read stdin if no arguments were given.
rem Written by Ken Takata.

if "%1"=="" (
  vim --cmd "let no_plugin_maps = 1" -c "runtime! macros/less.vim" -
) else (
  vim --cmd "let no_plugin_maps = 1" -c "runtime! macros/less.vim" %*
)