patch 8.1.1753: use of popup window mask is inefficient commit https://github.com/vim/vim/commit/e865dcbce1ea2fcdc172b7d47d320cd40f91b917 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 26 22:15:50 2019 +0200 patch 8.1.1753: use of popup window mask is inefficient Problem: Use of popup window mask is inefficient. Solution: Precompute and cache the mask.

@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" %*
)