commit https://github.com/vim/vim/commit/b869c0da31716ff14bbfd63346d140d0a1d68af7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 20 00:10:51 2016 +0200 patch 7.4.2080 Problem: When using PERROR() on some systems assert_fails() does not see the error. Solution: Make PERROR() always report the error.

@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" %*
)