commit https://github.com/vim/vim/commit/57e69ff2cca9edee3546373d04e0dde6810309e5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 30 23:05:09 2016 +0200 patch 7.4.2131 Problem: More memory leaks when using partial, e.g. for "exit-cb". Solution: Don't copy the callback when using a partial.

@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" %*
)