patch 8.1.0890: pty allocation wrong if using file for out channel commit https://github.com/vim/vim/commit/593864817a08f9b719a093ef4fd8d4d35132ab86 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 10 22:43:46 2019 +0100 patch 8.1.0890: pty allocation wrong if using file for out channel Problem: Pty allocation wrong if using file for out channel and using null for in channel and null for error channel. Solution: Correct using use_file_for_out in condition. (Ozaki Kiichi, closes #3917)

@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" %*
)