commit https://github.com/vim/vim/commit/9f0e423c2818c0cacd0810f9c3c67cbb6b80963d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 17 19:48:18 2016 +0100 patch 8.0.0091 Problem: Test_help_complete sometimes fails in MS-Windows console. Solution: Use getcompletion() instead of feedkeys() and command line completion. (Hirohito Higashi)

@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" %*
)